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maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 



^ Product ^ 
, Description 


Specifications 


Pin 

Assignments 


Battery 

Operations 


^ Removal ^ 
. Sequence . 


Parts 

Catalog 




MSG Index 




Welcome to the Maintenance & Service Guide (MSG) 



Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1200XL Series 
Portable Notebooks. This online guide is designed to serve the needs of technicians whose 
job is to repair Compaq products. 

For copyright and trademark information, refer to the Notice section of this MSG. To locate 
your unit's serial number, to see symbol conventions, or to view technician's notes, see the 
Preface . This MSG is updated online as needed. 

For comments or questions about the contents of this MSG, contact Compaq . 

To report a technical problem, contact your Regional Support Center or IM Help Center. 

For help on navigating in this guide, refer to Lisina this Guide . 


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Presario 1200XL Series 
Model XL300, XL300A, and XL300B 


Using this Guide 

To effectively use this guide, refer to the list of bookmarks at the left of the screen. These 
bookmarks help you navigate through the document quickly and easily. They are accessible 
from anywhere in the Maintenance and Service Guide (MSG). 

Viewing a Chapter 

Click one of the bookmarks or one of the color-coded bubbles on the Welcome page to view 
a chapter of this MSG. 

Expanding & Hiding Topics 

Click the + to expand or show the contents of a section, or click the - to hide the contents. 

Opening another Chapter 

Return to the Welcome page by clicking the bookmark, 1200 Series Maintenance and 
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Printing the MSG 

For portable copies of this MSG, you can print single pages, multiple pages, or the entire 
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2 


Presario Notebook Maintenance and Service Guide 1200XL Series 





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maintenance & service guide 


Presario 1200XL Series 
Model XL300, XL300A, and XL300B 


Before You Begin 

Notice 

The information in this guide is subject to change without notice. 

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL 
ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL 
DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS 
MATERIAL. 

This guide contains information protected by copyright. No part of this guide may be 
photocopied or reproduced in any form without prior written consent from Compaq 
Computer Corporation. 

© 2000 Compaq Computer Corporation. 

All rights reserved. Printed in the U.S.A. 

Compaq, Presario 1200 Series Registered U. S. Patent and Trademark Office. 

Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation. 

Windows 98 and Windows 2000 are trademarks of Microsoft 

Corporation. 

The software described in this guide is furnished under a license agreement or 
nondisclosure agreement. The software may be used or copied only in accordance with the 
terms of the agreement. 

Product names mentioned herein may be trademarks and/or 
registered trademarks of their respective companies. 

Maintenance and Service Guide 

Compaq Presario 1200 Series Notebook Computer 

First Edition (July 2000) Compaq Computer Corporation 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Before You Begin 1 










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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Preface 

This Maintenance and Service Guide is a troubleshooting guide that is used as a reference 
guide when servicing the Compaq Presario 1200 Series Notebook Computers. 

Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1200 
Series Notebooks without notice. 

Symbols 

The following words and symbols mark special messages throughout this guide. 

A WARNING: Text set off in this manner indicates that a faiiure to follow directions 
in the warning could result in bodiiy harm or loss of life. 

A CAUTION: Text set off in this manner indicates that a failure to follow directions 
could result in damage to equipment or loss of data. 

Important: Text set off in this manner preseats clarifying information or specific 
instructions. 

Note: Text set off in this manner presents commentary, sidelights, or interesting 
points of information. 

Technician Notes 



WARNING: Only authorized technicians trained by Compaq should repair this 
equipment. All troubleshooting and repair procedures are detailed to allow only 
subassembly/module level repair. Because of the complexity of the individual 
boards and subassemblies, the user should not attempt to make repaires at the 
component level or to make modifications to any printed circuit board. Improper 
repairs can create a safety hazard. Any indications of component replacement or 
printed circuit board modifications may void any warranty. 


Serial Number 

When requesting information or ordering spare parts, you should provide the Notebook 
serial number to Compaq. The serial number location is underneath the Notebook. 


2 Before You Begin 


Presario Notebook Maintenance and Service Guide 1200XL Series 




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maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Locating Additional Information 

The following documentation is available to support this product: 

Compaq Presario 1200XL Series Notebook Computer documentation set 

Introducing Windows 98 Guide 

Introducing Windows 2000 Guide 

Service Training Guides 

Compaq Service Advisories and Bulletins 

Compaq QuickFind 

Compaq Service Quick Reference Guide 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Before You Begin 3 



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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Product Description 

Models and Features 


Compaq Presario 1200 Series Portabie Notebook Computer Modeis 

Feature 

XL300 

XL300A 

XL300B 

Dispiay 

12.1 in HPA 

12.1 in HPA 

12.1 in HPA 

Processor 

Cel/566 (128) 
FCPGA 

Cel/566(128) 

FCPGA 

Cel/566(128) 

FCPGA 

Hard Drive 

5.0 GB 

5.0 GB 

5.0 GB 

CD or DVD 
Drive 

24X CD-Rom 

24X CD-Rom 

24X CD-Rom 

Diskette 

Drive 

1.44 Std. Diskette 

1.44 Std. Diskette 

1.44 Std. Diskette 

Modem 

56K Mini PCI 

56K Mini PCI 

56K Mini PCI d/f 

d/f 1, Bear* 

d/f 1, Bear* 

2, Seminole* 

Networking 

None 

None 

None 

Battery 

3.8 NiMH 

3.8 NiMH 

3.8 NiMH 

System 

Memory 

32 MB 

32 MB 

64 MB 


* Modem Legend 

1) 56K Mini PCI d/f 1 = Bear/Grizziy Modem/NIC Combo = NA, CKK, LA 

2) 56K Mini PCI d/f 2 = Seminoie = EMEA/APD 

3) 56K Mini PCI d/f 3 = Seminoie 2 = Aii AUS/NZ 


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Presario Notebook Maintenance and Service Guide 1200XL Series 


Product Description 1 


















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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Front of Unit 



Description 


o 

Display Release Latch 

© 

Right TouchPad Button 


Display 

© 

Scroll Button 

© 

Model Number 

© 

Left TouchPad Button 

o 

Power (On/Off) Button 

© 

TouchPad 

@ 

Speakers 

© 

Keyboard 


2 Product Description 


Presario Notebook Maintenance and Service Guide 1200XL Series 








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Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 

Internet Zone Buttons and Lights 




Description 


o 

Num Lock Light 

O 

Instant E-mail Access Button 


Caps Lock Light 


Retail Central Button 


Instant Internet Access Button 

© 

Power Button 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Product Description 3 












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Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Front Bezel Components 



Description 


o 

Power (On/Off) Light 

O 

Volume Down Button 


Battery Charge Light 


Volume Up Button 

@ 

AC Power Light 




4 Product Description 


Presario Notebook Maintenance and Service Guide 1200XL Series 











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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 

Right-Side Components 




Description 

O 

Battery Compartment 


PC Card Eject Button 


PC Card Slot 

o 

Microphone Jack 

0 

Headphone Jack 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Product Description 5 








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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Left-Side Components 



Description 

O 

Security Slot 

O 

CD or DVD Manual Eject Hole 


CD or DVD Player 

@ 

Diskette Drive 


CD/DVD Eject Button 


Diskette Drive Eject Button 


6 Product Description 


Presario Notebook Maintenance and Service Guide 1200XL Series 











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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Underneath the Unit 



Description 


o 

stand Feet 

O 

Speaker Ports 


Serial and Model Number 
Location 


Modem Compartment 

@ 

Memory Compartment 




Presario Notebook Maintenance and Service Guide 1200XL Series 


Product Description 7 










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maintenance & service guide 

Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Rear Connectors 



Description 


o 

Modem 

@ 

Fan Vent 


AC Power 

© 

VGA External Monitor 

© 

Keyboard/Mouse Port 

© 

USB Ports 

o 

Printer/Parallel Port 





8 Product Description 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Specifications 

Physical and Environmental 


Computer Specifications 


Dimensions 

U.S. 

Metric 

Height 

1.71 in. 

43.43 cm 

Width 

10.08 in. 

30.90 cm 

Depth 

12.20 in. 

256.03 cm 

Weight 



with 12.1" HPA Display 

7.23 lbs 

3.28 kg (CD-ROM/Ni-MH) 

with 12.1" TFT Display 

7.32 lbs 

3.32 kg (DVD/Ni-MH) 

with 13.0" HPA Display 

7.36 lbs 

3.34 kg (CD-ROM/Ni-MH) 

with 13.0" HPA Display 

6.97 lbs 

3.34 kg (CD-ROM/Li-ion) 

with 13.3" TFT Display 


3.26 kg (DVD/Li-ion) 

Stand-Alone (Battery Pack) Power 

Li-ion 3.2 AHr 


Requirements 



Nominal Operating 

W @ 14.8 V 


Maximum Average 

W @ 14.8 V 


Peak Operating 

W @ 14.8 V 


AC Power Requirements 



Operating Voltage 

100 to 240 V 


Operating Current 

1.3A/0.8A RMS 1.5A Max. (60 W) 

Operating Frequency 

47 to 63 Hz 


Maximum Transient 

Meets IEClOOO-4-4 and IEClOOO-4-5 


1 kV for 50 ns 


Temperature 



Operating 

50° to 95°F 

10° to 35°C 

Non-operating 

-4° to 140°F 

-20° to 60°C 

Relative Humidity (noncondensing) 



Operating 

10 to 90% 


Non-operating (tw = 38.7°C max) 

5 to 95% 



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Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 1 



















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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Computer Specifications 


Dimensions 

U.S. 

1 Metric 

Aititude 



Operating 

0 to 10,000 ft 

0 to 3.15 km 

Non-Operating 

0 to 30,000 ft 

0 to 9.14 km 

Shock 



Operating 

10 G, 11 ms, haif sine 

Non-operating 

240 G, 2 ms, haif sine 

Vibration 



Operating 

0.5 G 


Non-operating 

1.5 G 



System Interrupts 


IRQ 

Device(s) 

0 

System Timer 

1 

Standard 101/102-Key or Microsoft Naturai Keyboard 

2 

Programmabie Interrupt Controiler 

6 

Standard Fioppy Disk Controiier 

7 

Printer Port 

8 

System CMOS/Reai Time Ciock 

10 

SCI IRQ used by ACPI Bus 

11 

ACPI IRQ Hoider for PCI IRQ Steering 

11 

VIA Tech 3038 PCI to USB Universai Host Controiier 

11 

Compaq PCI Modem Enumerator 

11 

Texas Instruments PCI-1410 CardBus Controiier 

11 

Trident CyberBiade il AGP (51) 

11 

VIA AC'97 Audio Controiier 

12 

Synaptics PS/2 TouchPad 

13 

Numeric Data Processor 

14 

1 VIA Bus Master PCI IDE Controiier 


2 Specifications 


Presario Notebook Maintenance and Service Guide 1200XL Series 












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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


System 



System I/O Address 


I/O Address 

System Function (Shipping Configuration) 

OOOOh-OOOFh 

Direct Memory Access Controller 

0020h-0021h 

Programmable Interrupt Controller 

0040h-0043h 

System Timer 

0060h-0060h 

Standard 101/102-Key or Microsoft Natural Keyboard 

0061h-0061h 

System Speaker 

0062h-0062h 

ACPI Embedded Controller 

0064h-0064h 

Standard 101/102-Key or Microsoft Natural Keyboard 

0066h-0066h 

ACPI Embedded Controller 

0070h-0075h 

System CMOS/Real Time Clock 

0080h-0080h 

Motherboard Resources 

0081h-008Fh 

Direct Memory Access Controller 

0092h-0092h 

Motherboard Resources 

OOAOh-OOAlh 

Programmable Interrupt Controller 

00A8h-00A9h 

Motherboard Resources 

OOCOh-OODFh 

Direct Memory Access Controller 

OOFOh-OOFFh 

Numeric Data Processor 

0170h-0177h 

Secondary IDE Controller (Dual FIFO) 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 3 

















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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

I/O Address 

System Function (Shipping Configuration) 

0170h-0177h 

VIA Bus Master PCI IDE Controller 

01F0h-01F7h 

Primary IDE Controller (Dual FIFO) 

01F0h-01F7h 

VIA Bus Master PCI IDE Controller 

0220h-022Fh 

Motherboard Resources 

0376h-0376h 

Secondary IDE Controller (Dual FIFO) 

0376h-0376h 

VIA Bus Master PCI IDE Controller 

0378h-037Fh 

Printer Port (LPTl) 

0388h-038Bh 

Motherboard Resources 

03B0h-03BBh 

Trident CyberBlade il AGP (77) 

03C0h-03DFh 

Trident CyberBlade il AGP (77) 

03F0h-03F5h 

Standard Floppy Disk Controller 

03F6h-03F6h 

Primary IDE Controller (Dual FIFO) 

03F6h-03F6h 

VIA Bus Master PCI IDE Controller 

03F7h-03F7h 

Standard Floppy Disk Controller 

04D0h-04Dlh 

Motherboard Resources 

0CF8h-0CFFh 

PCI Bus 

lOOOh-lOFFh 

VIA AC'97 Audio Controller (WDM) 

1400h-141Fh 

VIA Tech 3038 PCI to USB Universal Host Controller 

1420h-1427h 

Primary IDE Controller (Dual FIFO) 

1420h-142Fh 

VIA Bus Master PCI IDE Controller 

1428h-142Fh 

Secondary IDE Controller (Dual FIFO) 

1430h-1433h 

VIA AC'97 Audio Controller (WDM) 

1434h-1437h 

VIA AC'97 Audio Controller (WDM) 

1438h-143Fh 

Compaq PCI Modem Enumerator 

6800h-687Fh 

Motherboard Resources 

8000h-808Fh 

Motherboard Resources 

9050h-9051h 

Motherboard Resources 


4 Specifications 


Presario Notebook Maintenance and Service Guide 1200XL Series 








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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

System Memory Catalog 


Memory Address 

Device(s) 

00000000h-0009FFFFh 

System Board Extension for ACPI BIOS 

OOOAOOOOh-OOOAFFFFh 

Trident CyberBlade il AGP (77) 

OOOBOOOOh-OOOBFFFFh 

Trident CyberBlade il AGP (77) 

OOOCOOOOh-OOOCBFFFh 

Trident CyberBlade il AGP (77) 

OOODCOOOh-OOODFFFFh 

System Board Extension for ACPI BIOS 

OOOEOOOOh-OOOFFFFFh 

System Board Extension for ACPI BIOS 

03800000h-03800FFFh 

Texas Instruments PCI-1410 CardBus Controller 

F4000000h-F400FFFFh 

Compaq PCI Modem Enumerator 

F4100000h-F411FFFFh 

Trident CyberBlade il AGP (77) 

F4100000h-F57FFFFFh 

VIA Tech 8601 CPU to AGP Controller 

F4120000h-F412FFFFh 

Trident CyberBlade il AGP (77) 

F4800000h-F4FFFFFFh 

Trident CyberBlade il AGP (77) 

F5000000h-F57FFFFFh 

Trident CyberBlade il AGP (77) 

F8000000h-FBFFFFFFh 

VIA Tech VT8601 CPU to PCI Bridge 

FFFEOOOOh-FFFFFFFFh 

System Board Extension for ACPI BIOS 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 5 








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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Display Information 


12.1 in. HPA Display Panel 



U.S. 

Metric 

Dimensions 

Height 

7.97 in. 

20.25 cm 

Width 

10.82 in. 

27.5 cm 

Display Dimensions 

Height 

9.73 in. 

24.715 cm 

Width 

12.36 in. 

31.4 cm 

Weight 

2.3 ibs 

1.045 kg 

Contrast Ratio 

40:1 


Brightness 

100 nits 


Total Power 

1.2 to 1.5 W typ (Assuming backiight current of 

Consumption 

5.0 mA, or 100 nits iuminance) 

Response Time 

150 ms 


Refresh Rate 

150 Hz 



12.1 in. TFT Display Panel 



U.S. 

Metric 

Dimensions 

Height 

7.83 in. 

19.9 cm 

Width 

10.82 in. 

27.5 cm 

Display Dimensions 

Height 

9.73 in. 

24.715 cm 

Width 

12.36 in. 

31.4 cm 

Weight 

2.425 ibs 

1.1 kg 

Contrast Ratio 

100:1 


Brightness 

100 nits 


Total Power 

1.2 to 1.5 W typ (Assuming backiight current of 

Consumption 

5.0 mA, or 100 nits iuminance) 

Response Time 

50 ms 


Refresh Rate 

60 Hz 



6 Specifications 


Presario Notebook Maintenance and Service Guide 1200XL Series 




















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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Display Information (continued) 



13.0 in. HPA Display Panel 


U.S. 

Metric 

Dimensions 

Height 

8.58 in. 

21.8 cm 

Width 

11.61 in. 

29.5 cm 

Display Dimensions 

Height 

9.73 in. 

24.715 cm 

Width 

12.36 in. 

31.4 cm 

Weight 

2.425 lbs 

1.1 kg 

Contrast Ratio 

50:1 


Brightness 

100 nits 


Total Power 

Consumption 

1.3 to 2.1 W typ (Assuming backlight current of 

5.0 mA, or 100 nits luminance) 

Response Time 

150 ms 


Refresh Rate 

150 Hz 


13.3 in. TFT Display Panel 


U.S. 

Metric 

Dimensions 

Height 

7.89 in. 

21.5 cm 

Width 

10.82 in. 

28.4 cm 

Display Dimensions 

Height 

9.73 in. 

24.715 cm 

Width 

12.36 in. 

31.4 cm 

Weight 

2.3 lbs 

1.045 kg 

Contrast Ratio 

150:1 


Brightness 

100 nits 


Total Power 

Consumption 

1.2 to 1.5 W typ (Assuming backlight current of 

5.0 mA, or 100 nits luminance) 

Response Time 

50 ms 


Refresh Rate 

150 Hz 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 7 













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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Memory Expansion 


Memory Expansion 

System 

Memory 

Expansion 

Board 

Memory 

Totai 

Memory 

32 MB 

none 

32 MB 

32 MB 

32 MB 

64 MB 

32 MB 

64 MB 

96 MB 

32 MB 

128 MB 

160 MB 

32 MB 

256 MB 

288 MB 

64 MB 

none 

64 MB 

64 MB 

32 MB 

96 MB 

64 MB 

64 MB 

128 MB 

64 MB 

128 MB 

193 MB 

64 MB 

256 MB 

320 MB 


8 Specifications 


Presario Notebook Maintenance and Service Guide 1200XL Series 











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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Diskette Drive 


Diskette Drive 

Capacity per Diskette (High/Low) 

1.44 MB/720KB 

Diskette Size 

3.5 in. 

Number of LED Indicators 
(Read/Write) 

0 

Number of Drives Supported 

1 

Drive Rotation (rpm) 

300 

Transfer Rate (KBps) 

500 

Bytes per Sector 

512 

Sectors per Track (High/Low) 

18/9 

Tracks per Side (High/Low) 

Access Times 

80 

Track-to-Track (ms) 

3 

Average (ms) 

94 

Setting Time (ms) 

15 

Latency Average (ms) 

100 

Cylinders (High/Low) 

80 

Number of Read/Write Heads 

2 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 9 






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Hard Drive 


Hard Drives 


Drive Type 

6.0GB 

12.0GB 

Capacity Per Drive 

6.0 GB 

12.0 GB 

Logicai Configuration 



Cylinders 

8647 

11968 

Heads 

4 

6 

Sectors per Track 

190/330 

190/330 

Bytes per Sector 

512 

512 

Seek Times 



Typical 



(including settling in ms) 

4 

4 

Single Track 

14 

14 

Full Stroke 

24 

24 

Transfer Rate at Interface 

33.3 MB/s 

33.3 MB/s 


10 Specifications 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


CD or DVD Drive 



CD or DVD Drive 

8X DVD 

24X CD-ROM 

Dimensions 

128 X 129 X 12.7 mm 

128 X 129 X 12.7 mm 

Weight 

0.29 kg 

0.19 kg 

Rotationai Speed - 

Approx. 

Typicai Transfer Rate 

Sustained Data-Transfer 

2300 rpm 

4225 rpm 

Rate 

Access Time 

5400 KB/s 

3600 KB/s 

Average Random Access 
Time 

140 ms 

120 ms 

Spin Up Time 

3.8 s 

2.7 s 

Data Buffer Capacity 

128 KB 

128 KB 


Battery Pack 


Battery Pack 

Type 

Lithium Ion (Li-ion) 

Dimensions 


Height 

0.8 in. (20.3 mm) 

Length 

5.7 in. (145 mm) 

Width 

3.1 in. (78.7 mm) 

Weight 

0.90 lbs (408.2 g) 

Operating Lifetime 

2 hr 30 min 

Energy 


Nominal Open 


Circuit Voltage 

14.4 V 

Capacity 

3000 mAH 

Power 

43.2 WH 

Temperature Requirements 


Operating 

32°F (0 to 50°C) 

Non-Operating 

-20°C to 60°C 

Charging 

5°C to 45°C 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Specifications 11 














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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Pin Assignments 

This appendix provides connector pin assignment tables for Compaq Presario 1200XL 
Series Portable Notebook. For more information about connectors, refer to the section on 
Rear Connectors . 

Note: In all the following tables of this appendix, the signals are considered active high 
unless otherwise indicated by an asterisk (*). 


Parallel Connector 



000@©0O©©O©©O 

@ 0@@©©000000 




Pin Assignments 

Pin 

Signal 

Pin 

Signal 

1 

Strobe* 

10 

Acknowledge* 

2 

Data Bit 0 

11 

Busy 

3 

Data Bit 1 

12 

Paper Out 

4 

Data Bit 2 

13 

Select 

5 

Data Bit 3 

14 

Auto Linefeed* 

6 

Data Bit 4 

15 

Error* 

7 

Data Bit 5 

16 

Initialize Printer* 

8 

Data Bit 6 

17 

Select In* 

9 

Data Bit 7 ] 

18-25 

Signal Ground 


* = Active low 


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Model XL300, XL300A, and XL300B 

Universal Serial Bus (USB) Connectors 



■—a—a—a—a—■ 

12 3 4 



Pin Assignments 

Pin 

Signal 

Pin 

Signal 

1 

+ 5 V 

3 

Data - 

2 

Data + 

4 

Ground 


External VGA Monitor Connector 




Pin Assignments 

Pin 

Signal 

Pin 

Signal 

1 

Red Analog 

9 

+ 5 V 

2 

Green Analog 

10 

Ground 

3 

Blue Analog 

11 

Monitor Detect 

4 

Not connected 

12 

DDC2B Data 

5 

Ground 

13 

Horizontal Sync 

6 

Ground Analog 

14 

Vertical Sync 

7 

Ground Analog 

15 

DDC2B Clock 

8 

Ground Analog 




2 Pin Assignments 


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Model XL300, XL300A, and XL300B 


Modem Connector 




Pin Assignments 

Pin 

Signal 

1 

Unused 

2 

Tip 

3 

Ring 

4 

Unused 


Keyboard/Mouse Connector 




Pin Assignments 

Pin 

Signal 

Pin 

Signal 

1 

Data 1 

4 

+ 5 V 

2 

Data 2 

5 

Clock 1 

3 

Ground 

6 

Clock 2 


PPresario Notebook Maintenance and Service Guide 1200XL Series 


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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Battery Operations 

This section covers the following topics regarding battery pack operating time: 

• Increasing Battery Pack Operating Time 

• Conditioning a Battery Pack 

• Disposing of a Used Battery Pack 

Increasing Battery Pack Operating Time 

Battery pack operating time varies depending on several factors. To avoid unnecessary 
replacement, consider the following variables when determining how long a charged 
battery pack should last: 

• Power management settings 

• Hardware configuration 

• Software applications 

• Installed options 

• Display brightness 

• Hard drive usage 

• Changes in operating temperature 

• Type and number of installed PC cards 

Note: The power consumption requirements for PC cards vary widely. Some cards drain 
the battery pack very rapidly. 

Battery pack operating time can be increased by as much as 50 percent by controlling the 
energy required by the computer and the energy stored in the battery pack. 

Minimizing the Energy Required 

To minimize the energy required by the computer, follow these steps: 

• Set the power conservation levels in the Power Management utility to Maximum. 

• Customize the timeout value to work more efficiently with the applications. The 
amount of battery life depends on the values selected. 


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Maximizing the Energy Stored 

To maximize the energy stored in the battery pack, follow these guidelines: 

• Condition the battery pack at least every 30 days to improve overall battery 
performance. 

• Keep a battery pack in the Notebook when using it with AC power to supply the 
battery pack with a constant trickle charge. 

• Store the battery pack in a cool, dry place when not in use. 

Conditioning a Battery Pack 

A CAUTION: To avoid loss of data, ensure that all data is saved before discharging a 
battery pack. 

To condition a battery pack, complete the following steps: 

1. Plug in the AC adapter and allow the battery to charge until the fast charge arrow on 
the display disappears. Your battery gauge may read 100 percent for a period of time 
before the arrow disappears. Do not unplug the AC adapter until the arrow is gone. 

2. Unplug the AC adapter and allow the battery to drain until the Notebook reaches 
hibernation and turns itself off. 

A CAUTION: Do not unplug the AC adapter during this process or you will need to 
start the process over again with Step 1. You may use the Notebook while the 
battery is draining. 

3. The battery is re-conditioned. 

4. Plug in the AC adapter and begin using the Notebook. 

The table below shows battery pack charge times by model. 


Computer 


Battery Charge Time 
On Line 


Off Line 


Li—Ion Battery Pack 
NiMH Battery Pack 


4.5 hours premature termination 
TBD 


2:50 hours 
TBD 


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Disposing of a Used Battery Pack 

In the interests of safeguarding our environment, Compaq Computer Corporation 
recommends that nickel metal hydride (NiMH) and lithium ion (Li-Ion) battery packs be 
recycled. Battery packs should be handled in accordance with country, state, province, or 
local regulations. 

A CAUTION: Never attempt to open or service a battery pack. Opening a battery 
pack not only damages the pack and makes it unusable, but also exposes 
potentially harmful battery components. 


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Power Management 

The following power management features are available for conserving AC power and 
extending battery operating time: 

• Power Management Settings 

• Low-Power Modes 

• Battery Operating Life 

• Servicing the Notebook - Full Off Mode 

• Rebooting After a Lockup 

• Recovering From a Loss of Electrical Power 
Power Management Settings 

Differing patterns of Notebook use determine the level of power management needed. 
These power management levels can be initiated based on the amount of time passed 
since the last system activity. System activity examples include keyboard strokes or mouse 
movement, DVD/CD playback (while under program control that monitors Standby), and 
modem use. 

Power Schemes 

You may select different settings or Power Schemes through Power Management 
from the Control Panel. The default Power Schemes are Home/Office Desk, Portable/ 
Laptop, and Always On. The settings can be customized by changing the following 
options: 

• System Standby: length of inactivity before the Notebook goes into Standby mode 

• Turn Off Monitor: length of inactivity before the screen times out and goes blank 

• Turn Off Hard Disks: length of inactivity before the hard drive goes into low power 


mode 


Important: The setting for the Hard Disk must be less than or equal to the setting for the 
system. If the Notebook is on a network, Compaq recommends that System Standby be set 
to Never. 


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The following table shows the default settings for each Power Scheme. 


Always on 

Power Schemes 

AC Power 

Battery Power 

System Standby 

Never 

5 minutes 

Turn OFF Monitor 

15 minutes 

2 minutes 

Turn OFF Hard Disks 

1 hour 

3 minutes 

Portable/Laptop 

AC Power 

Battery Power 

System Standby 

Never 

15 minutes 

Turn OFF Monitor 

3 hours 

Never 

Turn OFF Hard Disks 

15 minutes 

10 minutes 

Home/Office Desk 

AC Power 

Battery Power 

System Standby 

20 minutes 

1 minute 

Turn OFF Monitor 

15 minutes 

2 minutes 

Turn OFF Hard Disks 

30 minutes 

10 minutes 


Alarms 

The Notebook can be set to Alarm when the battery power level is reduced or when it 
reaches a critical low level. The Notebook can also be set automatically to enter a 
low-power mode when the battery reaches a specific power level. 

A CAUTION: The settings on the Alarms tab is preset for the Notebook to run at its 
best. Changing any of these settings could cause the Notebook to function 
improperly. It is recommended that these settings be left at their default values. 



Alarms 


Alarm 

Default 

Alarm Action 

Low Battery 

10% 

Notification: Text Power 

Mode: No Action 

Critical Battery 

0% 

Notification: No Action 

Power Mode: Hibernation 


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SpeedStep Technology Modes 

SpeedStep Technology features several speed options for processor response to 
low-power conditions. These include the following settings: 

• Maximum Performance: always at high speed 

• Battery Optimized: always at low speed 

• Reversed: opposite recommended 

• Recommended: performance on AC, Battery Optimized on Battery 

• Disabled: no run time support, high speed 

SpeedStep options can be accessed in three ways: 

• Access FIO Setup during startup and select the Advanced screen. 

• Click Start>Settings>Control Panel>Power Options>Intel(R) 
SpeedStep^^*^^ technology tab. 

• Double-click the Flag icon on the Windows taskbar to open the Intel(R) 
SpeedStep^^*^^ technology dialog box. 


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Low-Power Modes 

Compaq Presario 1200 Series Notebook Computers have two levels of low-power 
management: Hibernation and Standby. 

Hibernation 

Hibernation helps conserve battery life and protect data. Your Notebook automatically 
enters Hibernation mode when the battery has little power left or when the Notebook 
(operating on battery power) is in Standby mode for more than one hour. As the Notebook 
enters Hibernation, it automatically stores the contents of the Notebook memory to the 
hard drive before it shuts down. When the Notebook comes out of Hibernation, it returns to 
its former state. 

Activate Hibernation mode by pressing the Power button once. 

To restart the Notebook, press the Power button once. When the Notebook enters or 
wakes from Hibernation mode, a Progress window is displayed on the screen. 


Standby 


Standby mode is a low-power mode, also referred to as Sleep mode. Selecting Standby 
mode instead of turning off the Notebook when finished has two advantages: 1. It allows 
the Notebook to wake up faster than turning it completely off; 2. It saves more power than 
the active (On) mode. 

Activate Sleep mode by pressing Fn+F4. Or click Start, select the Shut Down option, and 
click Standby. 

A CAUTION: The Notebook maintains system information and open fiies whiie in 
Standby mode. However, unsaved information is lost if the Notebook is turned off 
prior to system wake-up, or if a power ioss occurs whiie using the AC adapter. 


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The following table shows the conditions and indicators for entering and exiting the various 
power management modes, Standby, Hibernation, and Off. 



Power Management Modes 


standby 

Activation 

Deactivation 

Indicators 

Manual 

Press Fn + F4 key 
combination or click 
the Start button on 
the Windows taskbar, 
then point to 
Shutdown and click 
Standby. 

Press any key. 

Flashing Power light 

Time-Out Default 

15 minutes if using 
battery power. 
Notebook will not 
automatically enter 
Standby mode if 
using AC Power. 



Hibernate 

Activation 

Deactivation 

Indicators 

Manual 

Press Power button 

Press Power button 

Power light is off. 


once. 

once. 

screen is blank 

Time-Out Default 

When battery is low 

Press Power button 

Power light is off. 


or after 1 hour of 
Standby. Notebook 
will not automatically 
enter Hibernation 
mode if using AC 
Power. 

once. 

screen is blank 


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Power Management Modes 


Off 

Activation 

Deactivation 

Indicators 

standard 

Perform normal 
Windows shutdown 
using the Start 
button on the 
Windows taskbar. 

Press Power 
button once. 

Power light is off, 
screen is blank. 

Manual 

Press and hold 
down the Power 
button for 4 
seconds. 




Important: The manual shutdown mode is not recommended unless the standard 
shutdown mode does not work. 

Battery Operating Life 

Battery operating life is affected by variables such as: 

• Power conservation settings 

• Hardware configuration 

• Software applications Installed options 

• Display brightness 

• Hard drive usage 

• Changes in operating temperature 

• Type and number of installed PC Cards 

For more information on increasing battery-pack operating time, conditioning the battery 
pack, and disposing of a used battery pack, refer to the Battery Pack Operations section in 
this Maintenance and Service Guide. 


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Servicing the Notebook - Full Off Mode 

The Notebook must be turned off completely when installing or replacing components in 
the system. Follow the instructions for putting the Notebook into Off mode properly, 
unplugging it from the outlet, and removing the battery (see Battery Pack Removal 
Sequence). 

Rebooting After a Lockup 

To reboot the Notebook (from a cold start) when the keyboard is frozen or the screen is 
locked, press and hold down the Power button for at least four seconds; this causes a 
manual shutdown. Then, restart your Notebook with a single press of the Power button. 

If the Notebook still does not recover, press the Power button and hold for four seconds to 
shut it down, then remove the battery or unplug the AC power for at least 30 seconds. 
Reinsert the battery or reconnect AC power and press the Power button once to reboot. 

Recovering From a Loss of Electrical Power 

Loss of electrical power causes the Notebook to turn off automatically. This may cause loss 
of data because the Microsoft Windows operating system is not able to close all files and 
programs properly. 

Loss of power may be caused by one of the following: 

• Electrical power service is interrupted. 

• The power cord is accidentally disconnected. 

If power surges or sags, the display and status lights may flicker, and the Notebook may 
automatically restart. If an improper shutdown occurs, ScanDisk, a Microsoft Windows 
utility program, runs automatically once power is restored. ScanDisk determines if the 
improper shutdown caused any errors on the hard disk. These errors may occur if the 
Microsoft Windows operating system is not able to close all files properly before the 
shutdown. If no errors are found, the restart process continues. If ScanDisk does detect 
errors, follow the instructions on the screen to continue the restart process. Work that was 
not saved before the loss of power or shutdown may be lost. 

If a power failure occurs, or the power cord disconnects while the Notebook is turned on, 
turn it off until normal service is restored. The next time the Notebook is turned on, 
ScanDisk may run to check the hard disk for errors caused by improper shutdown. 


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Troubleshooting 

This section provides troubleshooting information for Compaq Presario 1200XL Series 
Portable Notebook. The basic steps in troubleshooting are: 

1. Preliminary Steps 

2. The Power-On Self-Test (POST) 

3. The recommended actions you can take, described in the diagnostic tables later in this 
section, if you are unable to run POST, or if POST displays an error message. 

When following the recommended actions for on Power-On Self-Test and Diagnostic Error 
Codes , perform the steps in the order listed above. Rerun POST after each recommended 
action until the problem is solved, and if no error message occurs. Once the problem is 
solved, do not continue with any remaining recommended actions. 

Note: If the problem is intermittent, check your Notebook several times to ensure that 
the problem is solved. 

Preliminary Steps 

Before running Power-On Self-Test (POST') , complete the following steps: 

1. If a Power-on password is established, type it and press the Enter key. If you do not 
know the password, clear the password (See Clearing the Power-On Password !. 

2. Run Compaq Diagnostics . 

3. Turn off the Notebook and its external devices. 

4. Disconnect any external devices you do not want to test. Do not disconnect the printer 
if you want to test it or use it to log error messages. 

Important: If the problem only occurs when an external device is connected to the 
computer, the problem may be related to the external device or its cable. Verify this by 
running POST both with and without the external device connected. 

5. Install loopback plugs in the serial and parallel connectors if you want to test these 
ports. 

6. Ensure that the hard drive is installed in the Notebook. 


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7. Ensure that the battery pack is inserted in the Notebook and that it is connected to an 
external AC power source. 

When these preliminary steps are completed, you are ready to run POST . 

Clearing the Power-On Password 

Note: Clearing the Power-on password also removes all Notebook setup attributes that 
are programmed in the CMOS. 

If you do not know the password, clear it by performing the following steps: 

1. Turn off the computer. 

2. Disconnect the power cord. 

1. Remove the battery pack . 

2. Remove the keyboard . 

3. Remove the Palmrest Cover with TouchPad . 

4. Remove the LED button bezel. 



Continued on next page. 


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5. To clear the password, remove the RTC battery by prying it out of the socket with a 
non-metallic object. 

A CAUTION: When removing the RTC battery from the system board, it is extremely 
important to use a non-metalic object to pry up the RTC battery to prevent damage 
to the system bord or the battery. 

6. Allow at least 10 seconds to pass. Then replace the battery, simultaneously making 
contact with the two pads located at R37 on the system boarding, using a conductive 
piece of material such as a piece of wire or tool. 



7. Reassemble the Notebook. 

8. Turn on the Notebook to verify that the Power-on password has been cleared. If it has 
not been cleared, repeat Steps 1 through 8. 


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Power-On Self-Test (POST) 

To run POST, complete these steps: 

Turn off the Notebook, then turn it on again. As soon as the Compaq logo appears, press 
the ESC key to clear the logo and display the POST messages as they occur. 

If the Notebook does not beep, POST has successfully completed its test and has detected 
no errors. POST then reboots from the hard drive or from a bootable diskette if one is 
installed in the diskette drive. 

However, if POST detects errors, these are indicated by messages displayed on the screen 
and/or audible messages. A list of the POST error codes and what they mean is shown in 
the table below. 

Note: If the system is not functioning well enough to run POST, or if the display is not 
functioning well enough to show POST error messages, refer to the 
Troubleshooting Tables . 


Power-On Self-Test Messages 


102-System Board Failure 

Probable Cause 

Recommended Action 

DMA, timers, etc. 

Replace the system board. 

162-System Options Not Set 

Probable Cause 

Recommended Action 

Incorrect configuration. 

Run Computer Setup. 

CMOS reflects an invalid 
configuration setting. 

Run Computer Setup. 

RAM failure. 

1. Replace the memory 
modules. 

2. Replace the system board. 

Memory test data error. 

1. Replace the memory 
modules. 

2. Replace the system board. 

XXOOOYZZ RAM failure. 

Replace the system board. 


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XXOOOYZZ 201-Memory Error 

Probable Cause 

Keyboard failure. 

Recommended Action 

1. Ensure that no keys are 
pressed during POST. 

2. Reconnect the keyboard 
with the Notebook off. 

3. Replace the keyboard. 

301-Keyboard Error 

Probable Cause 

Keyboard failure. 

Recommended Action 

1. Ensure that no keys are 
pressed during POST. 

2. Reconnect the keyboard 
with the Notebook off. 

3. Replace the keyboard. 

304-Keyboard or System Unit Error 

Probable Cause 

Keyboard or system board 
error. 

Recommended Action 

1. Replace the keyboard. 

2. Replace the TouchPad or 
mouse. 

3. Replace the system board. 

601-Diskette Controller Error 

Probable Cause 

Mismatch in drive type or 
failure in the diskette 
controller. 

Recommended Action 

1. Run Computer Checkup 
(TEST). 

2. Check or replace cables. 

3. Replace the system board. 

605-Diskette Drive Error 

Probable Cause 

Mismatch in drive type. 

Recommended Action 

Run Computer Setup. 


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1780-Primary Hard Drive 0 Faiiure 


Probabie Cause. 

Disk 0 failed to respond 


Recommended Action 

1. Run Computer Checkup 


(TEST). 


Hard drive format error. 


2. Replace the hard drive. 
1. Run Computer Checkup 


(TEST). 


2. Replace the hard drive. 


1782-Hard Drive Controiier 


Probabie Cause 

Hard drive controller failure. 


Recommended Action 

1. Run Computer Setup. 

2. Replace the hard drive 


Compaq Diagnostics 

Compaq Diagnostics is installed on the hard drive of the Notebook. Run the Diagnostics 
utilities when you want to view or test system information, and if you have installed or 
connected devices. If you run Compaq Diagnostics from a diskette, ensure that the 
diagnostic program is version 10.11 or later. 

The Diagnostics menu includes the following utilities: 

• Computer Checkup (TEST) 

View System Information (INSPECT) 

< Diagnostic Error Codes 

Troubleshooting without Diagnostics 

Before Replacing Parts 

Solving Minor Problems 
Solving Hard Drive Problems 
Solving Hardware Installation Problems 
> Solving Keyboard/Numeric Keypad Problems 

Solving Memory Problems 


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Solving PC Card Problems 

Solving Power Problems 
• Solving Printer Problems 

Solving TouchPad/Pointinq Device Problems 

Contacting Compaq Support 

If you have a problem you cannot solve, run the Diagnostics utilities before calling for 
support. Run Computer Checkup and select to save the device list to a file and print or to 
save the log of errors. Run the View System Information (INSPECT) utility and select to 
print or save that information. Have the files or the printed information available when you 
call for support. 


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Computer Checkup (TEST) 

Computer Checkup (TEST) determines whether the various computer components and 
devices are recognized by the system and functioning properly. You can display, print, or 
save the information generated by Computer Checkup. 

Follow these steps to run Computer Checkup: 

1. Plug the Notebook into an external power source. (A low-battery condition could 
interrupt the program.) 

2. Turn on the external devices you want to test. Connect the printer if you want to print 
a log of error messages. 

3. Insert the Compaq Diagnostics diskette in drive A. 

4. Turn on or restart the Notebook. The Notebook starts from drive A, and the 
Diagnostics Welcome screen is displayed. 

5. Press Enter to continue. The Diagnostics menu is displayed. 

6. Select Computer Checkup on the Diagnostics menu to display a Test Option menu. 

7. Select View the Device List from the Test Option menu. A list of the installed 
Compaq devices is displayed. 

8. If the list of installed devices is correct, select OK. The Test Option menu is displayed. 
Note: If the list is incorrect, ensure that any new devices are installed properly. 

Select one of the following from the Test Option menu: 

Quick Check Diagnostics. Runs a quick, general test on each device with a 
minimal number of prompts. If errors occur, they are displayed when the testing is 
complete. You cannot print or save the error messages. 

Automatic Diagnostics. Runs unattended, maximum testing of each device with 
minimal prompts. You can choose how many times to run the tests, to stop on 
errors, or to print or save a log of errors. 

Prompted Diagnostics. Allows maximum control over testing the devices. You 
can choose attended or unattended testing, decide to stop on errors, or choose to 
print or save a log of errors. 

9. Follow the instructions on the screen as the devices are tested. When testing is 
complete, the Test Option menu is displayed. 

10. Exit the Test Option menu and the Diagnostics menu. 



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View System Information (INSPECT) 


The View System Information (INSPECT) utility provides information about the Notebook 
and installed or connected devices. You can display, print, or save the information. 

Follow these steps to run View System Information (INSPECT) from the Compaq 
Diagnostics diskette: 

1. Turn on the external devices you want to test. Connect the printer if you want to print 
the information. 

2. Insert the Compaq Diagnostics diskette in drive A. 

3. Turn on or restart the Notebook. The Notebook starts from drive A, and the 
Diagnostics Welcome screen is displayed. 

4. Press Enter to continue. The Diagnostics menu is displayed. 

5. Select View System Information (INSPECT) from the Diagnostics menu. 

6. Select the item you want to view from the following list: 


System 

ROM 

Keyboard 
System ports 
System storage 
Graphics 


Memory 

Audio 

Operating system 
System files 
Windows files 


7. Follow the on-screen instructions to cycle through the screens, return to the list and 
choose another item, or print the information. 


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Diagnostic Error Codes 

Diagnostic error codes are displayed if the system recognizes a problem while running the 
Compaq Diagnostics program. These error codes help to identify subassemblies with 
possible damage or defects. 

The following tables list error codes, a description of the error condition, and the action 
required to resolve the error condition. 

Important: Retest the system after completing each step. If the problem is resolved, do 
not proceed with any remaining steps. 

For the removal and replacement of a particular subassembly, see Removal and 
Replacement Procedures . 

Select error codes by number or type: 


101 through 114 fpa 111 

Processor Test 

200 through 215 fpa 111 

Memory Test 

300 through 304 fpa 121 

Keyboard Test 

401 through 403 fpa 121 

Parallel Printer Test 

501 through 516 fpa 151 

Video Test 

600 through 699 fpa 131 

Diskette Drive Test 

1101 (pq 13) 

Serial Test 

1701 through 1736 fpa 141 

Hard Drive Test 

2402 through 2456 fpa 161 

Video Test 

2419 through 2456 fpo 171 

Video Test 

2458 through 2480 fpa 171 

Video Test 

3206 (pq 18) 

Audio Test 

3301 through 6623 (pq 18) 

DVD or CD Test 

8601 through 8602 fpa 181 

TouchPad Pointing Device Test 


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Error Code 

Processor Test Error Codes 

Description Recommended Action 

101-xx 

CPU test failed. 

Replace the processor and retest. 

102-xx 

Coprocessor or Weitek Error. 

1. Run the Configuration and Diagnostics 
Utilities. 

2. Replace the processor board and 
retest. 

103-xx 

DMA page registers test failed. 

Replace the system board and retest. 

104-xx 

Interrupt controller master test 
failed. 


105-xx 

Port 61 error. 


106-xx 

Keyboard controller self-test 
failed. 


107-xx 

CMOS RAM test failed. 


108-xx 

CMOS interrupt test failed. 


109-xx 

CMOS clock test failed. 


110-xx 

Programmable timer load data 
test failed. 


113-xx 

Protected mode test failed. 


114-01 

Speaker test failed. 

1. Check system configuration. 

2. Check cable connections to speaker. 

3. Replace the system board and retest. 


Memory Test Error Codes 

Error Code 

Description 

Recommended Action 

200-xx 

Memory machine ID test failed. 

1. Flash the system ROM and retest. 

202-xx 

Memory system ROM checksum 
failed. 

2. Replace the system board and retest. 

203-xx 

Write/Read test failed. 

1. Remove the memory module and 
retest. 

204-xx 

Address test failed. 

2. Install a new memory module and 
retest. 


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Memory Test Error Codes 

Error Code 

Description 

Recommended Action 

211-xx 

Random pattern test failed. 


214-xx 

Noise test failed. 


215-xx 

Random address test failed. 




Keyboard Test Error Codes 

Error Code 

Description 

Recommended Action 

300- xx 

301- xx 1 

302- xx 

304-xx 1 

Failed ID Test. 

Failed Self-Test/Interface Test. 
Failed Individual Key Test. 

Failed Keyboard Repeat Test. 

1. Check the keyboard connection. If 
disconnected, turn off the computer 
and reconnect the keyboard. 

2. Replace the keyboard and retest. 

3. Replace the system board and retest. 


Paraiiei Printer Test Error Codes 

Error Code 

Description 

Recommended Action 

401- xx 

402- xx 

403- xx 

Printer failed or not connected. 

Failed Port Test. 

Printer pattern test failed. 

1. Connect the printer. 

2. Check power to the printer. 

3. Install the loopback connector and 
retest. 

4. Check port and IRQ configuration. 

5. Replace the system board and retest. 


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Error Code 

Diskette Drive Test Error Codes 

Description Recommended Action 

600-xx 

Diskette ID drive types test 

1. Replace the diskette media and retest. 


failed. 

2. Check and/or replace the diskette 

601-xx 

Diskette format failed. 

power and signal cables and retest. 



3. Replace the diskette and retest. 

602-xx 

Diskette read test failed. 

4. Replace the system board and retest. 

603-xx 

Diskette Read-Write, read, 



compare test failed. 


604-xx 

Diskette random read test failed. 


605-xx 

Diskette ID media failed. 


606-xx 

Diskette speed test failed. 


609-xx 

Diskette reset controller test 



failed. 


610-xx 

Diskette change line test. 


697-xx 

Diskette type error. 


698-xx 

Diskette drive speed not within 



limits. 


699-xx 

Diskette drive/media ID error. 

1. Replace media. 



2. Run the Configuration and Diagnostics 



Utilities. 



Serial Test Error Codes 

Error Code 

Description 

Recommended Action 

1101-xx 

Serial Port test failed. 

1. Check port configuration. 

2. Replace the system board and retest. 


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Troubleshooting 13 








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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Error Code 

Hard Drive Test 

Description 

1701-xx 

Hard drive format test failed. 

1702-xx 

Hard drive read test failed. 

1703-xx 

Hard drive write/read/compare 
test failed. 

1704-xx 

Hard drive random seek test 
failed. 

1705-xx 

Hard drive controller test failed. 

1706-xx 

Hard drive ready test failed. 

1707-xx 

Hard drive recalibration test 
failed. 

1708-xx 

Hard drive format bad track test 
failed. 

1709-xx 

Hard drive reset controller test 
failed. 

1710-xx 

Hard drive park head test failed. 

1715-xx 

Hard drive head select test 
failed. 

1716-xx 

Hard drive conditional format 
test failed. 

1717-xx 

Hard drive ECC* test failed. 

1719-xx 

Hard drive power mode test 
failed. 

1724-xx 

Network preparation test failed. 

1736-xx 

Drive monitoring test failed. 


Error Codes 

Recommended Action 

1. Run the Configuration and Diagnostics 
Utilities and verify drive type. 

2. Verify that all secondary drives have 
secondary drive capability. 

3. Replace the hard drive and retest. 

4. Replace the system board and retest. 


*ECC - Error Correction Code 


14 Troubleshooting 


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COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Video Test Error Codes 


Error Code 

Description 

Recommended Action 

501- xx 

502- xx 

503- xx 

504- xx 

505- xx 

Video controller test failed. 

Video memory test failed. 

Video attribute test failed. 

Video character set test failed. 

Video 80 x 25 mode 9 x 14 
character cell test failed. 

The following steps apply to error codes 
501-xx through 516-xx: 

1. Disconnect external monitor and test 
with internal LCD display. 

2. Replace the display assembly and 
retest. 

3. Replace the system board and retest. 

506-xx 

Video 80 x 25 mode 8x8 
character cell test failed. 


507-xx 

Video 40 X 25 mode test failed. 


508-xx 

Video 320 x 200 mode color 
set 0 test failed. 


509-xx 

Video 320 x 200 mode color 
set 1 test failed. 


510-xx 

Video 640 x 200 mode test 
failed. 


511-xx 

Video screen memory page test 
failed. 


512-xx 

Video gray scale test failed. 


514-xx 

Video white screen test failed. 


516-xx 

Video noise pattern test failed. 



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Troubleshooting 15 







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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Video Test Error Codes {Continued) 


Error Code 

Description 

Recommended Action 

2402- xx 

2403- xx 

2404- xx 

2405- xx 

Video memory test failed. 

Video attribute test failed. 

Video character set test failed. 

Video 80 x 25 mode 9 x 14 
character cell test failed. 

The following steps apply to error codes 
2402-xx through 2456-xx: 

1. Run the Configuration and Diagnostics 
Utilities. 

2. Replace the display assembly and 
retest. 

2406-xx 

Video 80 x 25 mode 8x8 
character cell test failed. 

3. Replace the system board and retest. 

2408-xx 

Video 320 x 200 mode color 
set 0 test failed. 


2409-xx 

Video 320 x 200 mode color 
set 1 test failed 


2410-xx 

Video 640 x 200 mode test 
failed. 


2411-xx 

Video screen memory page test 
failed. 


2412-xx 

Video gray scale test failed. 


2414-xx 

Video white screen test failed. 


2416-xx 

Video noise pattern test failed. 


2418-xx 

ECG/VGC memory test failed. 



16 Troubleshooting 


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COMPAa 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Error Code 

Video Test Error Codes {Continued) 

Description Recommended Action 

2419-xx 

ECG/VGC ROM checksum test 

1. Run the Configuration and Diagnostics 


failed. 

Utilities. 

2421-xx 

ECG/VGC 640 x 200 graphics 

2. Disconnect external monitor and test 


mode test failed. 

with internal LCD display. 



3. Replace the display assembly and 

2422-xx 

ECG/VGC 640 x 350 16-color 

retest. 


set test failed. 

4. Replace the system board and retest. 

2423-xx 

ECG/VGC 640 x 350 64-color 



set test failed. 


2424-xx 

ECG/VGC monochrome text 



mode test failed. 


2425-xx 

ECG/VGC monochrome graphics 



mode test failed. 


2431-xx 

640 X 480 graphics test failure 


2432-xx 

320 X 200 graphics (256-color 



mode) test failure. 


2448-xx 

Advanced VGA Controller test 



failed. 


2451-xx 

132-column Advanced VGA test 



failed. 


2456-xx 

Advanced VGA 256-Color test 



failed. 



Error Code 

Video Test Error Codes 

Description Recommended Action 

2458-xx 

Advanced VGA BitBLT test failed. 

The following applies to error codes 

2468-xx 

Advanced VGA DAC test failed. 

2458-xx through 2480-xx: 

2477-xx 

Advanced VGA data path test 
failed. 

Replace the system board and retest. 

2478-xx 

Advanced VGA BitBLT test failed. 


2480-xx 

Advanced VGA LineDraw test 
failed. 



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Troubleshooting 17 










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Model XL300, XL300A, and XL300B 


Error Code 

Audio Test Error Codes 

Description Recommended Action 

3206-xx 

Audio System Internal Error. 

Replace the system board and retest. 

Error Code 

TouchPad/Pointing Device Interface Test Error Codes 

Description Recommended Action 

8601- xx 

8602- xx 

Mouse test failed. 

Interface test failed. 

1. Replace the TouchPad and retest. 

2. Replace the system board and retest. 

Drive Test Error Codes 

Error Code Description Recommended Action 

3301-xx 

3305-xx 

6600-xx 

6605-xx 

6608-xx 

6623-xx 

CD or DVD drive read test failed. 

CD or DVD drive seek test failed. 

ID test failed. 

Read test failed. 

Controller test failed. 

Random read test failed. 

1. Replace the CD or DVD and retest. 

2. Verify that the speakers are 
connected. 

3. Verify that drivers are loaded and 
properly installed. 

4. Replace the CD or DVD drive and 
retest. 

5. Replace the system board and retest. 


18 Troubleshooting 


Presario Notebook Maintenance and Service Guide 1200XL Series 








coMPoa 



maintenance & service guide 


Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Troubleshooting without Diagnostics 

This section provides information for identifying and correcting some common hardware, 
memory, and software problems. It also explains several types of common messages that 
may be displayed on the screen. The following pages contain troubleshooting information 
about: 

Audio Memory 

Battery PC Card 

CD or DVD Drive Power 

Diskette Drive Printer 

Display TouchPad 

Hard Drive Kevboard/Numeric Keypad 

Hardware Installation 

Since symptoms can be similar, carefully match the symptoms of the computer malfunction 
against the problem description in the tables to avoid a misdiagnosis. 


WARNING: To avoid a potential shock hazard during troubleshooting procedures, 
disconnect all power sources before removing the keyboard cover or the 
display bezel. 



Before Replacing Parts 

Verify that cables are connected properly to the parts that are suspected to be defective. 
Run Computer Setup after connecting external devices. 

Verify that all required device drivers are installed. 

Verify that all required changes have been made to the CONFIG.SYS file. 

Verify that all required changes have been made to the AUTOEXEC.BAT file. 

Verify that all printer drivers have been installed for each application. 


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Troubleshooting 19 
















COMPAa 

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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Solving Minor Problems 

Some minor problems and possible solutions are outlined in the following tables. If the 
problem appears related to a software application, check the documentation provided with 
the software. 

Solving Audio Problems 

A common audio problem and solution is listed in the following table. 




Solving Audio Probiems 

Problem 

Probabie Cause 

Soiution 

Notebook does not 
beep after the Power- 
On Self-Test (POST). 

This is typical; it indicates 
successful completion of the 
Power-On Self-Test (POST). 

No action is required. 


Solving Battery Pack/Gauge Problems 

Some common causes and solutions for battery pack problems are listed in the following 
table. The "Solving Power Problems" section in this chapter may also be applicable. 


Soiving Battery Pack/Gauge Probiems 

Probiem Probabie Cause Soiution(s) 

Computer won't turn 
on when battery pack 
is inserted and power 
cord is unplugged. 

Battery pack is discharged. 

• Connect the Notebook to an 
external power source and 
charge the battery pack. 

OR 

• Replace the battery pack with a 
fully charged battery pack. 

Check the battery connectors on 
the system board to verify that 
they are evenly spaced and not 
bent or broken. 


20 Troubleshooting 


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COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Battery Pack/Gauge Problems 


Problem 

Notebook is beeping 
and battery icon is 
blinking. 


Battery icon on the 
front of the unit blinks 
to indicate low-battery 
condition, but 
computer does not 
beep. 

Battery icon doesn't 
light and battery pack 
won't fast-charge. 


You have to set the 
date and time every 
time you turn on the 
Notebook. 


Probable Cause 

Battery charge is low. 


Volume is turned down too 
low. 


Battery pack is already 
charged. 

Battery pack was exposed to 
temperature extremes. 

Battery pack is at the end of 
its life. 

RTC battery is dead. 


Solution(s) 

Immediately save any open 
file(s). Then complete one of the 
following steps: 

• Connect the Notebook to an 
external power source to 
charge the battery pack. 

• Turn off the Notebook or initiate 
Hibernation until you can find 
another power source or charge 
the battery pack. 

Adjust the volume. 


No action is necessary. 


Allow time for the battery pack to 
return to room temperature. 

Replace the battery pack. 

Replace the RTC battery . 


Battery charge does 
not last as long as 
expected. 


Battery is exposed to high 
temperatures or extremely 
cold temperatures. 


Keep the battery pack within the 
recommended temperature range 
for operation or storage. 

• Operating Range: 50°F to 
104°F (10°C to 40°C) 

• Storage Range: -4°F to 86°F 
(-20°C to 30°C) 

Recharge the battery pack. 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 



Solving Battery Pack/Gauge Problems 

Problem 

Probable Cause 

Solution(s) 

Battery charge does 
not last as long as 
expected. 

Battery has partially 
self-discharged. 

Recharge the battery. Discharge 
the battery completely and then 
recharge it. 


Power management is 
disabled. 

Set a power management level in 
Computer Setup. 


An external device or PC card 
is draining the battery. 

Turn off or disconnect external 
devices when not in use. 

Battery pack is warm 
to the touch after 
charging. 

Normal warming has occurred 
due to charging. 

No action is required. 

Battery pack operating 
time is far less than 
the documented 
average operating 
time. 

Power management is turned 
off or disabled. 

Enable power management in 
Computer Setup and Windows 
Power Properties. 


An external device or PC card 
is draining the battery. 

Turn off or disconnect external 
devices when not in use. 


22 Troubleshooting 


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COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Battery Pack/Gauge Problems 

Problem 

Probable Cause 

Solution(s) 


Battery pack has partially 
self-discharged. 

Condition the battery pack by fully 
charging, fully discharging, then 
fully recharging it. 



To maintain the charge, leave the 
battery pack in the Notebook 
when it is connected to an 
external power source. 



If the Notebook is disconnected 
from external power for more 
than two weeks, remove battery 
packs to reduce the discharge 
rate. 


Battery pack is exposed to 
high or extremely cold 
temperatures. 

Keep the battery pack within the 
recommended temperature range 
for operation or storage. 

• Operating Range: 50°F to 

104°F (10°C to 40°C) 

• Storage Range: -4°F to 86°F 
(-20°C to 30°C) 

Recharge the battery pack. 


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Troubleshooting 23 






coMPoa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving CD and DVD Drive Problems 

Some common causes and solutions for CD and DVD drive problems are listed in the 
following table. 



Solving CD or DVD Drive Problems 

Problem 

Probable Cause 

Solution(s) 

CD or DVD drive 
cannot read a compact 
disc or digital versatile 
disc. 

Disc is upside-down or is 
improperly inserted in the 

CD or DVD drive. 

Open the loading tray, lay the CD 
label side up in the tray, then 
close the tray. 


CD is CD Plus or 

Pregap/Track 0 type. 

Cannot read these types of CDs in 
24X. Remove the CD. 


Solving Diskette Drive Problems 

Some causes and solutions for common possible diskette drive problems are listed in the 
following table. 



Solving Diskette Drive Problems 

Problem 

Probable Cause 

Solution(s) 

Diskette drive cannot 
write to a diskette. 

Disk is write-protected. 

Disable the disk's write-protect 
feature or use a disk that is not 
write-protected. 


Computer is writing to the 
wrong drive. 

Check the drive letter in the path 
statement. 


Not enough space is left on 
the disk. 

Use another disk. 


Drive error has occured. 

Run Computer Checkup from the 
Compaq Diagnostics disk. 


Disk is not formatted. 

Format the disk. At the system 
prompt, enter: 

FORMAT A: 

Diskette drive cannot 
read a diskette. 

Disk drive cannot read a disk. 

Use the type of diskette required 
by the drive. 


Disk has a bad sector. 

Copy files to hard drive or another 
diskette. Reformat bad diskette. 


24 Troubleshooting 


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coMPm 


maintenance & service guide 


Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Diskette Drive Problems 


Problem 


Probable Cause 

Drive error has occurred. 


Solution(s) 

Run Computer Checkup from the 
Compaq Diagnostics diskette. 

Format the diskette. At the 
system prompt, enter 

FORMAT A: 

Put the bootable diskette in 
drive A. 


Diskette drive cannot 
read a diskette. 
{Continued) 


Diskette is not formatted. 


Cannot boot from 
diskette. 


Bootable diskette is not in 
drive A. 


Diskette Boot has incorrect 
setting in Computer Setup. 


Run Computer Setup and set 
diskette as first to boot. 


Solving Display Problems 

This section lists some common causes and solutions for computer display and external 
monitor problems. 

You can perform a monitor self-test on an external VGA color or monochrome monitor by 
disconnecting the monitor from the Notebook, then completing the following steps: 

1. Turn off the monitor. 

2. Turn off the Notebook. 

3. Disconnect the monitor signal cable from the Notebook. 

4. Turn on the monitor and allow it to warm up for one minute. 

The display should be white. A narrow black border may also appear on the left and right 
sides of the display. Both of these displays indicate that the monitor is working properly. 


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Model XL300, XL300A, and XL300B 



Solving Display Problems 

Problem 

Probable Cause 

Solutlon(s) 

Screen is dim. 

Brightness Control 
(if available) is not set 
properly. 

Adjust the brightness of the 
display by pressing Fn+F7 or 

Fn + F8. 


Computer screen is in direct 
light. 

Tilt display or move computer. 

Screen is blank. 

Screen save was initiated by 
Power Management due to 
lack of user activity. 

Press any key or touch the 
TouchPad. 


Display has overheated. 

If the Notebook is in direct 
sunlight, move it and allow it to 
cool off. 

Display is blank and 
the Suspend icon is 
flashing. 

System is in Suspend mode. 

Press any key or touch the 
TouchPad. 

Internal display is 
blank but the screen 
on an external monitor 
displays information. 

Display function was switched 
to an external monitor. 

Press Fn+F3 to switch between 

LCD or CRT. 

Internal display 
flashes or has garbled 
characters when the 
Notebook is connected 
to an external monitor. 

Using 1024 x 768 or higher 
resolution on external monitor 
and toggling back to internal 
display, which supports up to 
800 X 600. 

Restart the Notebook. 

The light tubes on the 
edge of the display 
panel do not light up 
at all and the Power- 
On Self-Test (POST) 
completes when the 
unit is powered up.* 

Improper backlight or display 
cable connections. 

Replace the display assembly. 


Defective inverter board. 

Replace the display assembly. 


Defective display cable. 

Replace the display assembly. 


Defective display panel. 

Replace the display assembly. 


Defective system board. 

Replace the system board. 


26 Troubleshooting 


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COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Display Problems 


Problem 

The light tubes on the 
edge of the display 
panel do not light up 
at all and Power-On 
Self-Test (POST) does 
not complete when the 
unit is powered up.* 


Probable Cause 

Defective system board. 


Solution(s) 

Replace the system board. 


Backlight (brightness) 
cannot be adjusted 
with Fn-l-F7 or Fn-l-F8. 


Improper display cable 
connections. 


1. Reseat the display cable to the 
system board. 

2. Replace the display assembly. 


Defective inverter board. 
Defective display cable. 
Defective system board. 


Replace the display assembly. 
Replace the display assembly. 
Replace the system board. 


*This problem indicates that the backlight or its power circuitry has failed. If the backlight is 
not functioning, the POST result cannot be observed. Connect the unit to an external 
monitor before powering up the unit. If an external monitor is not available, verify that POST 
is complete by opening and closing the display, listening for the single or double beep, and 
watching for the icons to turn on at the front of the Notebook. 



Solving Display Problems Continued 

Problem 

Probable Cause 

Solutlon(s) 

This display panel has 
a continuous pattern 
across it (e.g., 

"jailbars" pattern), has 
a single color on it, or 
has garbled graphics 
across the entire 
panel. This failure is 
for patterns across the 
entire panel (not just 
on one section). 

Improper display cable 
connections 

1 Reseat the display cable to the 
following until the problem is 
solved: 

1. System board 

2. Display assembly 


Defective display cable. 

Replace the display assembly. 


Defective inverter board. 

Replace the display assembly. 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Display Problems Continued 

Problem Probable Cause Solution(s) 

A single line, small 
group of lines, or block 
appears on the display 
panel. This failure 
occurs in only a 
section of the display 
panel. 

Defective system board. 
Defective display panel. 

Replace the system board. 

Replace the display assembly. 




Note: When you perform a "self-test" on an external VGA color or monochrome monitor, 
the screen should be white. A narrow black border may also appear on the left and right 
sides of the display. Both of these displays indicate that the monitor is working properly. 


28 Troubleshooting 


Presario Notebook Maintenance and Service Guide 1200XL Series 






coMPm 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Hard Drive Problems 

Some causes and solutions for possible common hard drive problems are listed in the 
following table. 

A CAUTION: To prevent loss of information, maintain an up-to-date backup of your 
hard drive at all times in case of errors or failures. 



Solving Hard Drive Problems 

Problem 

Probable Cause 

Solution(s) 

Reading the hard drive 
takes an unusually 
long time after 
restarting the 

Notebook. 

System entered Hibernation 
due to a low-battery condition 
and is now exiting from it. 

Give the system time to restore 
the previously saved data to its 
exact state before Hibernation. 

Hard drive error 
occurs. 

Hard drive has bad sectors or 
has failed. 

Run Computer Checkup. 

Hard drive does not 
work. 

Hard drive is not seated 
properly. 

Turn off and unplug the Notebook, 
remove the battery pack, and 
remove and then reinstall the 
hard drive. 


Solving Hardware Installation Problems 

Some causes and solutions for possible common hardware installation problems are listed 
in the following table. 


Solving Hardware Installation Problems 

Problem 

Probable Cause 

Solution(s) 

A new device is not 
recognized as part of 
the computer system. 

Cable(s) of a new external 
device are loose, or power 
cables are unplugged. 

Ensure that all cables are properly 
and securely connected. 


Power switch of new external 
device is not turned on. 

Turn off the Notebook, turn on the 
external device, then turn on the 
Notebook to integrate the device 
with the computer system. 


Device is not seated properly. 

Turn off the Notebook and reinsert 
the device. 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Solving Keyboard/Numeric Keypad Problems 

Some causes and solutions for possible common keyboard/numeric keypad problems are 
listed in the following table. 



Solving Keyboard/Numeric Keypad Problems 

Problem 

Probable Cause 

Solution(s) 

Embedded numeric 
keypad on Notebook 
keyboard is disabled. 

Num Lock function is not 
enabled. 

Press the Shift+NumLk keys to 
enable the Num Lock function and 
embedded numeric keypad. The 
Num Lock light on the Notebook 
turns on. 

Embedded numeric 
keypad is disabled and 
Num Lock function 
is on. 

External numeric keypad is 
connected to the Notebook. 

Disconnect the external numeric 
keypad from the Notebook. 


Solving Memory Problems 

Some causes and solutions for possible common memory problems are listed in the 
following table. 



Solving Memory Problems 

Problem 

Probable Cause 

Solutlon(s) 

Memory count during 
Power-On Self-Test 
(POST) is incorrect. 

Optional memory expansion 
card is installed incorrectly, is 
incompatible with the 
computer, or is defective. 

Ensure that the optional memory 
expansion card is installed 
correctly. 

"Out of Memory" 
message is displayed 
on the screen or 
insufficient memory 
error occurs during 
operation. 

System ran out of memory for 
the application. 

Check the application 
documentation for memory 
requirements. If necessary, install 
additional memory. 


Too many TSR (terminate- 
and-stay-resident) 
applications are running. 

1 

Remove from memory any TSR 
applications that you do not need. 


30 Troubleshooting 


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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving PC Card Problems 


The following table lists some common causes and solutions for PC card problems. 



Solving PC Card Problems 

Problem 

Probable Cause 

Solution(s) 

When turned on, the 
Notebook does not 
beep when a PC card is 
inserted. 

Card is not inserted properly. 

Ensure that the card is inserted in 
the correct orientation. 


PC card beeps are disabled. 

Double-click the PC Card icon on 
the Control Panel, click the Global 
Settings tab, the enable PC Card 
sound effects. 


Speaker is turned off or 
volume is turned down. 

Press Volume buttons to turn the 
speaker on, then increase the 
volume. 


PC card drivers are not 
installed. 

Double-click the Add New 
Hardware icon on the Control 

Panel for installation instructions. 

If PC Card or drivers are not 
compatible with Windows, install 
drivers and use the PC Card in 
MS-DOS mode. 


Card or card driver is not 
supported. 

Contact a Compaq-authorized 
service provider for a list of PC 
cards tested sucessfully in 

Compaq PC card platforms. 

PC card modem, fax, 
or network card does 
not work. 

Card is not fully inserted into 
the slot or is not inserted 
properly. 

Ensure that the card is inserted in 
the correct orientation. 


Telephone cord is not plugged 
in all the way. 

Check and secure telephone 
connection. 


Necessary drivers are not 
installed (turned on). 

Install drivers. 

PC card modem or fax 
card does not work. 

You are trying to access the 
card using the wrong 

COM port. 

See Specifications to verify 

COM port. 


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Model XL300, XL300A, and XL300B 



Solving PC Card Problems 

Problem 

Probable Cause 

Solution(s) 


The card conflicts with a serial 

See Specifications to verify 


device. 

address. 


The card is not supported. 

Use supported cards only. 

Modem network PC 

Network driver is not installed 

Install driver. 

Card does not work. 

or is not set up properly. 



Telephone cord is not properly 
connected. 

Verify telephone connection. 

Memory or storage 

SRAM and flash memory 

Install driver. 

card does not work. 

cards require the memory 
card driver to be loaded 
(turned on). 

Flash memory cards require 
the Microsoft FlashFile System 
to be loaded. 



Hard drives on flash 
mass-storage cards require 
the PC Card ATA driver to be 
loaded. 



You are trying to access the 

Double-click My Computer to 


hard drive card using the 

verify the drive letter assigned to 


wrong drive letter. 

the card. 


The card is not supported. 

Contact a Compaq-authorized 
service provider for a list of PC 
cards tested successfully in 

Compaq PC card platforms. 


32 Troubleshooting 


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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Solving Power Problems 

See also Solving Battery Pack/Gauae Problems in this section. 



Solving Power Problems 

Problem 

Probable Cause 

Solution(s) 

Notebook will not turn 

Notebook is not connected to 

Insert battery or connect an 

on and the battery 

a power source. 

external power source. 

pack is not inserted. 

Power cords to the external 

Ensure that power cords 


power source are unplugged. 

connecting the Notebook and the 
external power source are 
plugged in properly. 


Power adapter is defective. 

Replace AC adapter and restart. 

Notebook turned off 

System board is defective. 

Replace the system board. 

while it was left 
unattended and the 
power icon is off. 

System initiated Hibernation 

Replace the battery pack with a 


due to a critical low-battery 

fully charged battery pack, or 


condition. 

connect the Notebook to an 
external power source. Then turn 
on the Notebook. 


System initiated Hibernation 
after a preset timeout. 

Turn on the Notebook. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Troubleshooting 33 







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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Solving Printer Problems 

If you experience problems printing, run a printer self-test. Refer to the documentation 
provided with your printer for instructions. If the self-test fails, the problem is 
printer-specific. Refer also to the printing section of your application documentation. 



Solving Printer Problems 

Problem 

Probable Cause 

Solutlon(s) 

Printer will not turn on. 

The signal cable may not be 
connected properly, or the 
printer is unplugged. 

Ensure that the signal cable is 
properly connected and that the 
power cord is connected to the 
electrical outlet. 

Printer will not print. 

Printer is not turned on, or is 
offline. 

Turn the printer on and set it to 

On Line. 


The device drivers for the 
application are not installed. 

Refer to the printer 
documentation to install the 
correct printer driver. 


The printer is set up for a 
network, but is not connected 
to the network. 

Connect the printer to the 
network. 


Printer cable is too long, 
unshielded, or defective. 

Replace the cable. 


Paper tray is empty. 

Fill the paper tray with paper and 
set the printer to On Line. 

Printer prints garbled 
information. 

Correct printer drivers are not 
installed. 

Refer to the printer 
documentation to install the 
correct printer driver. 


Cable is not connected 
properly. 

Ensure that the printer signal 
cable is properly connected to the 
Notebook. 


Cable is defective. 

Replace the printer cable and 
retest. 


34 Troubleshooting 


Presario Notebook Maintenance and Service Guide 1200XL Series 






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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Solving TouchPad/Pointing Device Problems 

The following table lists some common causes and solutions for TouchPad/pointing device 
problems. 



Solving TouchPad/Pointing Device Problems 

Problem 

Probable Cause 

Solutlon(s) 

TouchPad or mouse 
does not work. 

Incorrect or no device driver 
is installed. 

Install the device driver and add 
to the AUTOEXEC.BAT file or 
CONFIG.SYS file. 


The device driver is not 
installed in Windows. 

Install the TouchPad/mouse driver 
in Windows. 

External mouse does 
not work. 

Mouse is not securely 
connected, or is connected to 
an incorrect external 
connector. 

Ensure that the mouse is securely 
connected to the appropriate 
external connector. 

TouchPad or mouse 
does not work even 
though the device is 
enabled in Windows. 

Mouse is not enabled. 

Type MOUSE at the system 
prompt to activate the mouse 
device driver. 

Add a line in the AUTOEXEC.BAT 
file to activate the mouse driver 
automatically each time the 
computer is turned on or 
restarted. 


Cable is not properly seated 
in TouchPad board. 

Reseat cable. 


Defective TouchPad board. 

Replace the TouchPad board. 


Defective system board. 

Replace system board. 


Device driver is not correctly 
installed in Windows. 

Install the appropriate device 
driver in Windows. 

Cursor skips or moves 
abnormally when using 
the TouchPad. 

The TouchPad needs to be 
cleaned. 

Clean the TouchPad with a cloth 
dampened with alcohol or an 
ammonia-based glass cleaner. 

Wipe up liquid with a dry cloth. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Troubleshooting 35 






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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Contacting Compaq Support 

Obtain the following information before contacting Compaq Reseller Support: 

Product name 
Product serial number 
Purchase date 

Conditions in which the problem occurred 
Any error messages that have occurred 
Hardware configuration 
Type of printer connected 
Hardware/software installed 
Printed results of Computer Checkup (TEST) 

Printed copies of CONFIG.SYS and AUTOEXEC.BAT files, if possible. 

Shipping Preparation 

To ship the Notebook, complete the following steps: 

1. Back up the critical hard drive files. Ensure that backup tapes/diskettes are not 
exposed to electrical or magnetic fields while stored or in transit. 

2. Turn off the Notebook and external devices. 

3. Disconnect the external devices from their power sources, then from the Notebook. 

Important: Ensure that there is no diskette in the diskette drive and that there are no 
PC cards in the PC slots. 

4. Close the display and all exterior doors of the Notebook. 

5. Pack the Notebook in sufficient packing material to protect it. Use the original packing 
box or similar packaging. 


36 Troubleshooting 


Presario Notebook Maintenance and Service Guide 1200XL Series 



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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Removal Sequence 

This chapter provides details for removing and replacing each component of the Presario 
1200XL units. 

Electrostatic Discharge 

When removing or replacing parts, be careful to discharge static electricity before touching 
the internal Notebook components. A sudden discharge of static electricity from a finger or 
other conductor can destroy static-sensitive devices and microcircuitry. Often the spark is 
neither felt nor heard, but damage occurs. An electronic device exposed to an electrostatic 
discharge may not seem to be affected and continue to work perfectly throughout a normal 
cycle. However, the discharge degrades internal layers, which reduces the operating life of 
the device. Networks built into many integrated circuits provide some protection; but in 
many cases, the discharge contains enough power to alter device parameters or melt 
silicon junctions. 

The table below shows the amount of static electricity generated by common activities 
associated with servicing computers. 


Electrostal 

Event 

tic Voltage 

Rel 

10% 

ative Hum! 

40% 

dity 

50% 

Walking across carpet 

35,000 V 

15,000 V 

7,500 V 

Walking across vinyl floor 

12,000 V 

5,000 V 

3,000 V 

Motion of bench worker 

6,000 V 

800 V 

400 V 

Removing DIPS from plastic tubes 

2,000 V 

700 V 

400 V 

Removing DIPS from vinyl trays 

11,500 V 

4,000 V 

2,000 V 

Removing DIPS from styrofoam 

14,500 V 

5,000 V 

3,500 V 

Removing bubble pack from PCBs 

26,000 V 

20,000 V 

7,000 V 

Packing PCBs in foam-lined box 

21,000 V 

11,000 V 

5,000 V 


A CAUTION: As little as 700 Volts can degrade Notebook components. Be sure to 
ground yourself before touching the Notebook or its subassemblies. 


1 . 800 AT,CoMf^q 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 1 


















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Model XL300, XL300A, and XL300B 

Tool and Software Requirements 

The following items are required to service the Notebook: 

• Torx T-9 screwdriver 

• 5mm nut drivers (for screwlocks and standoffs) 

• Small standard screwdriver 

• Small Phillips screwdriver 

• Diagnostics software 

Screws 

The screws used in the Notebook are not interchangeable. If an incorrect screw is used 
during the reassembly process, it can damage the unit. Compaq strongly recommends that 
all screws removed during disassembly be kept with the part that was removed, then 
returned to their proper locations. 

Important: As each subassembly is removed from the Notebook, place it away from the 
work area to prevent damage. 


Connectors and Plastic Parts 

Plastic parts can be damaged by the use of excessive force during disassembly and 
reassembly. When handling plastic parts, use care. Apply pressure only at the points 
designated in the instructions. Most of the connectors in these Notebooks are 
ZIP Connectors. 


2 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 





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Model XL300, XL300A, and XL300B 


ZIF Connector 

The 1200XL Series Notebooks use zero insertion force (ZIF) connectors on the system 
board. 

A CAUTION: A ZIF connector and its attached cable can be easily damaged. Handle 
only the connector slide when removing or replacing a cable. Never pull or twist on 
the cable while it is connected. 

To remove a cable from a ZIF connector, lift both corners of the ZIF connector and slide the 
cable out simultaneously with constant light pressure. 




I 


A 


CAUTION: When servicing this Notebook, ensure that cables are placed in their 
proper location during the reassembly process. Improper cable placement can 
damage the Notebook. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 3 



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Model XL300, XL300A, and XL300B 


Cables 

Most cables used throughout the unit are ribbon cables. 

Cables must be handled with extreme care to avoid damage. Use the following precautions 
when handling cables to avoid damage to the cable and the Notebook: 

• Always handle cables by their connectors. 

• In all cases avoid bending, twisting, pulling, or tearing cables. 

• Apply only the minimum pressure required to seat or unseat cables from their 
connectors. 

• Place the cables so that they are not caught or snagged by parts being removed or 
replaced. 

• Handle flex cables with extreme care; they can tear easily. 



CAUTION: When servicing these Notebooks, ensure that cables are placed In their 
proper location during the reassembly process. Improper cable placement can 
cause severe damage to the unit. 


The following illustrations show the proper placement for each cable: 


Diskette Drive Ribbon Cable 

Speaker Assembly Cable 


Keyboard Ribbon Cable 

Hard Drive Ribbon Cable 


4 Removal Sequence 


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maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

Diskette Drive Ribbon Cable 

The ribbon cable position for the diskette drive is shown below. 



A CAUTION: When servicing this Notebook, ensure that cables are placed In their 
proper location during the reassembly process. Improper cable placement can 
damage the Notebook. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 5 



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Model XL300, XL300A, and XL300B 


Speaker Assembly Cable 

The cable position for the speaker assembly is shown below. The cable is routed under the 
battery charger board and under the edge of the system board. 



A CAUTION: When servicing this Notebook, ensure that cables are placed In their 
proper location during the reassembiy process. Improper cable placement can 
damage the Notebook. 


6 Removal Sequence 


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Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


Keyboard Ribbon Cable 

The ribbon cable position for the keyboard is shown below. 



A CAUTION: When servicing this Notebook, ensure that cables are placed In their 
proper location during the reassembly process. Improper cable placement can 
damage the Notebook. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 7 




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Hard Drive Ribbon Cable 

The ribbon cable position for the hard drive is shown below. 



A CAUTION: When servicing the Notebook, ensure that cables are placed In their 
proper iocation during the reassembiy process. Improper cable placement can 
damage the Notebook. 

Note: 


8 Removal Sequence 


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Model XL300, XL300A, and XL300B 


Preparing the Notebook for Disassembly 

Before beginning Removal and Replacement procedures, complete the following steps: 

1. Disconnect AC power and any external devices. 

2. Remove the battery pack f pg lO '). 

3. Remove any PC cards. 

Important: The battery pack should be removed before performing any internal 
maintenance on the Notebook. 

A WARNING: Metal objects can damage the battery pack as well as the battery 
contacts in the battery compartment. To prevent damage, do not allow metal 
objects to touch the battery contacts. Place only the battery pack for the Compaq 
Presario 1200XL Series Portable Notebooks into the battery compartment. Do not 
force the battery pack into the bay if insertion is difficult. 

A CAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a 
battery pack; this action damages the pack, makes it unusable, and exposes 
potentially harmful battery components. No field-serviceable parts are located 
inside the battery pack. 

Note: Compaq Presario 1200XL Series Portable Notebooks have several screws of 
various sizes that are not interchangeable. Care must be taken during reassembly 
to ensure that the correct screws are used in their correct location. During removal, 
keep screws with their associated respective subassembly. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 9 




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Removing the Battery 

To remove the battery pack, complete the following steps: 

1. Slide O the battery compartment door down and remove it from the chassis. 

2. Pull @ the battery from the chassis by the tab located on the end of the battery pack 
and slide battery from the chassis. 



\ 


To replace the battery, reverse these procedures. 

Important: The battery pack should be removed before performing any internal 
maintenance on the Notebook. 

A\ WARNING: Metal objects can damage the battery pack as well as the battery 
contacts in the battery compartment. To prevent damage, do not allow metal 
objects to touch the battery contacts. Place only the battery pack for Compaq 
Presario 1200XL Series Portable Notebooks in the battery compartment. Do not 
force the battery pack into the bay if insertion does not occur easily. 

/\ CAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a 
^—^battery pack; this damages the pack, makes it unusable, and exposes potentially 
harmful battery components. No field-serviceable parts are located inside the 
battery pack. 



10 Removal Sequence 


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Model XL300, XL300A, and XL300B 


Removing the Modem 

To remove the modem, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Close the display, turn the Notebook upside down, and locate the modem 
compartment (left side when the front of the Notebook is toward you). 

3. Remove one screw O from the modem door, slide the door forward and then lift to 
remove it. 



Continued on the next page. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 11 




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maintenance & service guide 

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Model XL300, XL300A, and XL300B 

4. Press the release latches O on each side that hold the modem in place. This releases 
the modem board from the compartment. 



5. Lift® the modem from the system board connector. 


To replace the modem board, reverse these procedures. 


12 Removal Sequence 


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maintenance & service guide 


Presario 1200XL Series 
Model XL300, XL300A, and XL300B 


Removing the Memory Module 

To remove the memory module, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Close the display and turn the Notebook upside down. 

3. Remove the screw from the memory compartment. 

4. With the front of the Notebook facing you, slide the door to the left and lift. 

5. Pull O the side levers to release the memory module and lift @ it off the connector on 
the system board. 


t. 


r 



To replace the memory module, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 13 




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Model XL300, XL300A, and XL300B 

Removing the Palmrest Cover with Touch Pad 

Note: It is not necessary to remove the display panel assembly to access the interior 
components of the Notebook. 

To remove the Palmrest Cover with TouchPad, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Close the display and turn the Notebook upside down. 

3. Remove four screws from underneath the Notebook. 



I 

I 

I 


I 


Continued on next page. 


14 Removal Sequence 


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Model XL300, XL300A, and XL300B 


4. Turn the Notebook right side up. 

5. Pull the display release latches and open the display assembly. 

6. Lift up O the front end of the Palmrest Cover, @ disconnect the flex cable from the 
underside of the Palmrest LED and Volume Control board. 

7. Lift the cover off the unit. 



To replace the Palmrest Cover with TouchPad, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 15 




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Removing the Keyboard 

To remove the keyboard, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Gently lift up the front of the keyboard, slide it forward, and then turn the keyboard 
over allowing it to rest where the Palmrest cover normally sits. 

4. Disconnect the flex cable from the ZIP Connector on the system board and remove 
the keyboard. 



To replace the keyboard, reverse these procedures. 

When replacing the keyboard, the Keyboard Ribbon Cable should fold behind the ZIP Connector 
rather than underneath the keyboard. 


16 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 








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maintenance & service guide 

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Model XL300, XL300A, and XL300B 

Removing the Heatspreader 

To remove the Heatspreader, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ’). 

3. Remove the keyboard f pg 16 T 

4. Remove four screws O from the Heatspreader and lift it @ out of the chassis. 
Note: Positions of screws are numbered on the Heatspreader. 




To replace the Heatspreader, reverse the previous procedures. 


Note: If the thermal pads on the Heatspreader are missing or damaged, a new 
Heatspreader should be installed. 

Important: Before installing the new Heatspreader, remove the plastic covering 
from the thermal pads. 

^^To prevent damage, do not use excessive force when replacing the screws. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 17 






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Model XL300, XL300A, and XL300B 

Removing the Internet Zone Cover 

(Status Panel Assembly) 

Note: Illustrations may show parts removed that are not part of this procedure. It is 
necessary to remove only the parts listed in the written procedure. 

To remove the Internet Zone cover, complete the following steps: 

1. Prepare the Notebook for disassembly f pa 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg 16 1. 

4. Open the display, gently pry open the display hinge covers, and slide them off the 
hinges. 



Continued on next page. 


18 Removal Sequence 


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Model XL300, XL300A, and XL300B 

5. Close the Display, turn the unit upside down, and remove two screws located at the 
back of the Notebook that secure the Internet Zone cover to the chassis . 



Continued on next page. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 19 



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maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

6. Turn Notebook right side up and open the display panel. 

7. Remove the two innermost screws from the display hinges that secure the status 
panel to the chassis. 




Continued on next page. 


20 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 



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maintenance & service guide 

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Model XL300, XL300A, and XL300B 

8. Lift up one corner of the Internet Zone cover and push forward from the back (center 
piece) O to release the snaps on the Internet Zone cover. 

9. Remove Internet Zone cover @ from the chassis. 



To replace the Internet Zone Cover, reverse these procedures. 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 21 



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maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the LVDS Board 

(Available only on models with a TFT display panel) 

Note: Illustrations may show parts removed that are not part of this procedure. It is 
necessary to remove only the parts listed in the written procedure. 

To remove the internet button board, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Internet Zone cover f pg 18 1. 

3. Disconnect the internet button cable from the right side of the Internet Zone button 
board. 



Continued on the next page. 


22 Removal Sequence 


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Model XL300, XL300A, and XL300B 

4. Remove two screws securing the LVDS button board and remove it from the chassis. 



To replace the LVDS button board, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 23 



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Model XL300, XL300A, and XL300B 

Removing the Hard Drive 

Note: Illustrations may show parts removed that are not part of this procedure. It is 
necessary to remove only the parts listed in the written procedure. 

To remove the hard drive, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 1. 

3. Remove the Heatspreader f pg 17 ). 

4. Remove the three screws O from the hard drive mounting bracket. 

5. Lift the hard drive from the chassis and then disconnect the hard drive cable by 
gently pulling the cable from the hard drive connector. 

Note: Disconnect the cable from the hard drive after the hard drive is lifted from 
the chassis. 



24 Removal Sequence 


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Model XL300, XL300A, and XL300B 

Removing the Hard Drive Mounting Brackets 

To remove the hard drive mounting brackets, remove two screws from each side of the 
hard drive. 



To replace the hard drive and mounting brackets, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 25 



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Removing the Processor 

To remove the processor, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the Heatspreader f pg 17 ). 

5. Lift the lever O to release the processor, and lift the processor @ off the system board 
connector. 




26 Removal Sequence 


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Model XL300, XL300A, and XL300B 

Replacing the Processor 

To replace the processor, perform the following steps: 

1. Fully align the processor pins with the system board connector. 

Note: When replacing the processor, verify that its number one pin (the gold triangle) is 
properly aligned with the number one pin (silver triangle) on the system board 
connector. 

2. Press down carefully on the processor directly over the connectors to seat the 
processor on the system board. 

3. Lower the lever to lock the processor in place. 

4. Reassemble the remaining components by reversing their removal procedures. 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 27 



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Model XL300, XL300A, and XL300B 

Removing the Display Panel Assembly 

Note: Illustrations may show parts removed that are not part of this procedure. It is 
necessary to remove only the parts listed in the written procedure. 

To remove the display panel assembly, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Internet Zone cover f pg 18 1. 

3. Remove the button board. 

4. Remove the keyboard f pg 16 1. 

5. Remove the Heatspreader f pg 17 ). 

6. Remove one screw from the left side of the cable connector cover and lift the cover 
from the chassis. 

7. Disconnect the display flex cable by gently pulling up to release it from the connector. 



Continued on the next page. 


28 Removal Sequence 


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Model XL300, XL300A, and XL300B 


8. While supporting the display, remove O the two outermost screws securing the 
display to the chassis and lift @ the display panel out of the hinges. 



To replace the display panel, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 29 



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Model XL300, XL300A, and XL300B 

Removing the Upper CPU Cover 

To remove the upper CPU cover, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the Internet Zone cover f pg IS T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the hard drive f pg 24 ). 

8. Remove the display panel assembly f pg 28 T 

9. Remove four screws O located on the top of the upper CPU cover. 



Continued on the next page. 



30 Removal Sequence 


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Model XL300, XL300A, and XL300B 


10. Turn the Notebook upside down and remove one screw. 



11. Turn the Notebook right side up and lift the cover off the chassis. 

Note: Now that the upper CPU cover is removed, you can remove the hard drive ribbon 
cable from the system board 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 31 




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Model XL300, XL300A, and XL300B 

Removing the Hard Drive Cabie 

1. Disconnect the hard drive cable by pulling the cable off the connector. 




32 Removal Sequence 


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Model XL300, XL300A, and XL300B 

Removing the CD/DVD Drive 

To remove the CD/DVD Drive, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ’). 

3. Remove the keyboard f pg 16 T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the display panel assembly f pg 28 T 

6. Remove the upper CPU cover f pg 30 ’). 

7. Turn the Notebook upside down and remove the two screws securing the CD/DVD 
drive to the chassis. 



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Removal Sequence 33 











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8. Push the CD/DVD drive forward from the back of the drive to disconnect it from the 
system board, and lift the CD/DVD to remove it. 



To replace the CD/DVD drive, reverse these procedures. 


34 Removal Sequence 


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Model XL300, XL300A, and XL300B 

Removing the Power Supply Board 

To remove the power supply board, complete following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ’). 

3. Remove the keyboard f pg 16 T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the Internet Zone cover f pg 18 T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the hard drive f pg 24 ). 

8. Remove the display panel assembly f pg ZS T 

9. Remove the upper CPU cover f pg 30 T 

10. Remove one screw O from the right side of the board, and gently rock back and forth 
to disconnect it @ from the system board 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 35 












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Model XL300, XL300A, and XL300B 

Removing the Fan Assembly 

To remove the fan assembly, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the Internet Zone cover f pg IS T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the hard drive f pg 24 ). 

8. Remove the display panel assembly f pg 28 T 

9. Remove the upper CPU cover f pg 30 ’). 

10. Remove the power supply board f pg 35 T 

11. Disconnect O the fan cable from the connector on the system board and lift @ the fan 
assembly from the chassis slot. 



Continued on the next page. 


36 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 














COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


To remove the fan gasket, pull the gasket from the fan. 



To replace the fan assembly and gasket, reverse these procedures. 

Important: When replacing the fan assembly ensure the manufacturing label is 
pointing inward. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 37 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the Real Time Clock Battery 

A CAUTION: Removing the RTC battery clears the Power-on password and removes 
all setup attributes that are programmed in the CMOS. 

To remove the RTC battery, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the Keyboard f pg IS T 

4. Remove the Heatspreader f pg 17 T 

5. Remove the Upper CPU Cover f pg 30 ). 

6. Remove the Power Supply Board f pg 35 T 

7. Locate the RTC battery next to the CD/DVD connector. 

8. Using a non-metallic object, gently pry the RTC battery upward to remove it. 

To replace the RTC battery, press it firmly into the socket and reassemble the remaining 
components by reversing their removal procedures. 



A CAUTION: When removing the RTC battery from the system board, it is extremely 
important to use a non-metallic object to pry up the RTC battery to prevent 
damage to the system board or the battery. 


38 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 









COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the Battery Charger and Audio Board 

(Voltage Converter Board) 

To remove the battery charger board, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ’). 

3. Remove the keyboard f pg 16 T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the Internet Zone cover f pg 18 T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the hard drive f pg 24 T 

8. Remove the display panel assembly f pg 28 ’). 

9. Remove the upper CPU cover f pg 30 T 

10. Remove the diskette drive and the ribbon cable f pg 42 ). 

11. Remove the hard drive cable located above the battery charger board f pg 32 ). 

12. Remove the floppy cable located above the battery charger board f pg 42 ). 

Continued on next page. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 39 















COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

13. Disconnect the speaker cable. 



Continued on next page. 


40 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 


14. Remove O one screw from the battery charger and audio board and disconnect @ the 
board from the connector on the system board. 

15. Lift the battery charger and audio board out of the chassis. 



To replace the battery charger board, reverse these procedures. 

Important: When replacing the battery charger board, ensure that the pins are aligned 
with the connector on the system board. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 41 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the Diskette Drive 

To remove the diskette drive, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the Heatspreader f pg 17 ). 

5. Remove the CD or DVD drive f pg BB T 

6. Remove the Internet Zone cover f pg 18 T 

7. Remove the LVDS button board f pg 22 ). 

8. Remove the display panel assembly f pg 28 T 

9. Remove the hard drive f pg 24 ). 

10. Remove the upper CPU cover f pg 30 T 

Continued on next page. 


42 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 













COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 


11. Remove screw from the diskette drive retaining bracket and lift the bracket out of the 
chassis. 


t 


TT 

I 



I 


Continued on next page. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 43 




COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

12. Disconnect the diskette drive ribbon from the system board to expose the screw. 



Continued on next page. 


44 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 







COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

13. Remove two screws O and lift the diskette drive from the chassis. 



To replace the diskette drive, reverse these procedures. 


A CAUTION: Ensure that cables are placed in their proper locations during the 
reassembly process. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 45 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the Speaker Assembly 

To remove the speaker assembly, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the display panel assembly f pg 28 T 

5. Remove the Internet Zone cover f pg IS T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the Heatspreader f pg 17 ). 

8. Remove the upper CPU cover f pg 30 T 

9. Remove the hard drive f pg 24 ). 

10. Remove the battery charger and audio board f pg 39 ). 

Continued on next page. 


46 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 













coMPm 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 


11. Lift the speaker assembly from the chassis. 

Note: Before disconnecting the speaker cables from the system board, verify the 
color coded positioning of the left and right speaker cables to ensure that the speaker 
assembly cable is placed in its proper location during the reassembly process. 



To replace the speaker assembly, reverse these procedures. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 47 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

Removing the System Board 

To remove the system board, complete the following steps: 

1. Prepare the Notebook for disassembly f pg 9 ). 

2. Remove the Palmrest Cover with TouchPad f pg 14 ). 

3. Remove the keyboard f pg IS T 

4. Remove the display panel assembly f pg 28 T 

5. Remove the Internet Zone cover f pg IS T 

6. Remove the LVDS button board f pg 22 ). 

7. Remove the Heatspreader f pg 17 ). 

8. Remove the processor f pg 26 T 

9. Remove the CD or DVD drive f pg BB T 

10. Remove the upper CPU cover f pg 30 T 

11. Remove the hard drive f pg 24 ). 

12. Remove the fan assembly f pg 36 T 

13. Remove the battery charger and audio board f pg 39 1. 

14. Disconnect the diskette drive cable from the system board f pg 42 ). 

15. Disconnect the speaker assembly cables from the system board f pg 46 ). 

Continued on next page. 


48 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 


















COMPAa 

maintenance & service guide 

Presario 1200XL Series 
Model XL300, XL300A, and XL300B 

16. Remove the three standoffs and three screws from the system board. 




Continued on next page. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Removal Sequence 49 



COMPAa 


maintenance & service guide 

Presario 1200XL Series 

Model XL300, XL300A, and XL300B 

17. Remove four screws from the rear connector. 



Note: Ensure that the PCMCIA eject button and microphone insertion is not sticking out 
through the slot in the chassis. 

18. Lift the system board up gently, prying the right side of the chassis to remove it. 



To replace the system board, reverse these procedures. 

Important: Before replacing the system board, remove all remaining cables. 


50 Removal Sequence 


Presario Notebook Maintenance and Service Guide 1200XL Series 





COMPAa 



maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Parts Catalog 


This chapter provides iiiustrations of the spare parts for Compaq Presario 1200XL Series 
Notebook Computers, and identifies the spare part ordering number and the avaiiabiiity of 
each item. 



The Notebook seriai number shouid be provided to Compaq whenever requesting 
information or ordering spare parts. The seriai number O is iocated underneath the unit. 

Illustrated Parts 

The foiiowing iiiustrations are typicai of the spare parts provided with the Compaq Presario 
1200XL Series Notebook Computers. 



Presario Notebook Maintenance and Service Guide 1200XL Series 


Parts Catalog 1 













COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


System Unit 




Spare Part Items 

Spare Part 
Number 

O 

Button Board Cover 

Does part# 
exist. 


Keyboard 

222147-001 


Palmrest with Touchpad 
Button Board 

222137-001 

o 

Upper CPU Cover 

222143-001 


Speakers with Enclosure 

222144-001 


Enclosure Base 

222134-001 

e 

Battery Packs 

Li-ion enhanced 3.2 Ahr 

222114-001 


Li-ion enhanced 3.6 Ahr 

222117-001 


Ni-MH enhanced 3.8 Ahr 

222116-001 


Ni-MH enhanced 4.5 Ahr 

222115-001 


To order parts, refer to later in 
this chapter. 


2 Parts Catalog 


Presario Notebook Maintenance and Service Guide 1200XL Series 










COMPAQ. 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Boards 



Spare Part Items 

Spare Part 
Number 

O 

Heat Spreader 

222140-001 


Processors 

CEL 600MHz 

CEL 633 MHz 

CEL 667 MHz 

PHI 650 MHz 

222119-001 

222120-001 

222121-001 

222122-001 


System Boards 
w/64 MB TFT 
w/64 MB DSTN 
w/32 MB TFT 

222109-001 

222111-001 

222108 

o 

Battery Charger Board 

222132-001 


LVDS Button Board 

Does part# 
exist. 


Power Supply or Voltage 
Board 

222112-001 

e 

Memory 

Does part# 
exist. 

© 

Fan Assembly 

222139-001 

© 

Modems 

56K Mini 3 US 

222152-001 


To order parts, refer to later in 
this chapter. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Parts Catalog 3 











COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Display Assembly 



Descritption 

Spare Part 
Number 

12.1 in. DSTN Display Panel 

222150-001 

12.1 in. TFT Display Panel 

222148-001 

13.0 in. DSTN Display Panel 

222149-001 

13.3 in. TFT Display Panel 

222151-001 

To order parts, refer to later in 
this chapter.' 


4 Parts Catalog 


Presario Notebook Maintenance and Service Guide 1200XL Series 








COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Mass-Storage Devices 





Spare Part Items 


Spare Part 
Number 


O 


Hard Drive 


5.0 GB 
6.0 GB 
10.0 GB 

Diskette Drive 

8X DVD Drive 
6X DVD Drive 


(Not 


222128-001 

222126-001 

222127-001 

222125-001 

222123-001 

222124-001 


Shown) 


O 


24X CD ROM Drive 


(Not Shown) 


222118-001 


To order parts, refer to later in 
this chapter. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Parts Catalog 5 










COMPAQ. 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Miscellaneous Cables 



w 



Miscellaneous Hardware Kit 



Spare Part Items 

Spare Part 
Number 

Miscellaneous Cable Kit* 

222138-001 

O 

FFC FDD (Citizen) Cabie 



Hard Drive Cable 



FFC TouchPad Board/M/B 

Cable 


o 

FFC TouchPad Board/M/B 

Cable 



*Kit includes one each of the above 
items unless otherwise specified. 

To order parts, refer to later in 
this chapter. 



Spare Part Items 

Spare Part 
Number 

Miscellaneous Hardware Kit* 

222136-001 

O 

Hard Drive Mounting Bracket 
(left) 


& 

Hard Drive Mounting Bracket 
(right) 



Diskette Drive Retaining 
Bracket 



*Kit includes one each of the above 
items unless otherwise specified. 


To order parts, refer to later in 
this chapter. 


6 Parts Catalog 


Presario Notebook Maintenance and Service Guide 1200XL Series 
















COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Miscellaneous Parts 



Description 

Spare Part 
Number 

O 

AC Adapter 60W 

SLIM 2-Wire 

222113-001 


AC Power Cords 
(Not Shown) 

293831-001 


To order parts, refer to later in 
this chapter. 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Parts Catalog 7 










COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Miscellaneous Plastics 



Spare Part Items 

Spare Part 
Number 

Miscellaneous Plastics Kit* 

222146-001 

O 

Battery Compartment Door 
(qty. 2) 


& 

Memory Compartment 

Door 



PCMCIA Door 


o 

Display Hinge Cover (right) 



Display Hinge Cover (left) 



Display Cable Cover 


e 

Latch (left) (qty. 10) 


© 

Latch (right) (qty. 10) 


© 

Stand Foot (qty. 10) 


© 

Rubber Foot (qty. 10) 


© 

Rubber Plug 

(side mount for display) 

(qty. 10) 



Rubber Plug (qty. 10) 



*Kit includes one of the above unless 
otherwise specified. 


To order parts, refer to later in 
this chapter. 


8 Parts Catalog 


Presario Notebook Maintenance and Service Guide 1200XL Series 










COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Spare Parts Not Shown 


Parts Description 

Spare Part Number 

Miscellaneous Screw Kit 

222145-001 

Logo Kit 

222135-001 


Documentation and Software 


Description 

Quick Restore CD 1 
Quick Restore CD 2 
Beyond Setup Guide (BSG) 

Quick Reference Guide 

Quick Find for Windows 

North America, Latin America, Asia Pacific 

QuickFind for Windows 
Europe, Middle East, Africa 

QuickFind is updated monthly. To complete the QuickFind part number, add the suffix from 
the table below for the desired month. If you do not specify the 3-digit suffix, the default is 
the current month in which the order is placed. 



QuickFind Part Numbr Suffix 


Suffix 1 

Month 

Suffix 1 

1 Month 

-001 

January 

-007 

1 July 

-002 

February 

-008 

August 

-003 

March 

-009 

September 

-004 

1 April 

-010 

October 

-005 

May 

-oil 

November 

-006 

1 June 

-012 

December 


Presario Notebook Maintenance and Service Guide 1200XL Series 


Parts Catalog 9 















COMPAa 

maintenance & service guide 


Presario 1200XL Series 

Models: XL300, XL300A, and XL300B 


Configure-To-Order Features 


Compaq Presario 1200XL Portable Computer 
Configure To Order Features 

Item 

Description 

Spare Part 
Number 

Processors 

TBD 

TBD 

System Memory 

TBD 

TBD 

Diskette Drive 

TBD 

TBD 

CD-ROM 

TBD 

TBD 

Hard Drive 

TBD 

TBD 

Miscellaneous 

TBD 

TBD 

Software 

TBD 

TBD 

Other CTO Options 

TBD 

TBD 


10 Parts Catalog 


Presario Notebook Maintenance and Service Guide 1200XL Series