Compaq 1600XL User manual

Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Before You
Begin
Product
Description Specifications
Pin
Assignments
Battery
Operations Troubleshooting
Removal
Sequence
Parts
Catalog MSG Index
Welcome to the Maintenance & Service Guide (MSG)
Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1600XL 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. The term
Notebook as referred to throughout this MSG is synonymous with the term Computer.
To report a technical problem, contact your Regional Support Center or IM Help Center.
For help on navigating in this guide, refer to Using this Guide.

Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
2 PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES
Using this Guide
To use this guide effectively, 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 the color-coded bubbles on the Welcome page to view a
chapter of this MSG.
Expanding and 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, 1600XL Series Maintenance and
Service Guide, and then click the bookmark or color-coded bubble for another chapter.
Printing the MSG
For portable copies of this MSG, you can print single pages, multiple pages, or the entire
guide. In the Acrobat Reader, click File, and then Print... for printing options.

PPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES BEFORE YOU BEGIN 1
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
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 1600XL 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 1600XL Series Notebook Computer
First Edition (June 2000) Compaq Computer Corporation

2 BEFORE YOU BEGIN P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Preface
This Maintenance and Service Guide is a troubleshooting guide for use as a reference guide
when servicing the Compaq Presario 1600XL Series Notebook Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario
1600XL Series Notebooks without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
ÅWARNING: Text set off in this manner indicates that failure to follow the
directions in the warning could result in bodily harm or loss of life.
Ä
ÄÄ
Ä
CAUTION: Text set off in this manner indicates that failure to follow the directions
in the cautioncould result in damage to equipment or loss of data.
Important: Text set off in this manner presents clarifying information or specific
instructions.
Note: Text set off in this manner presents commentary, sidelights, or interesting
points of information.
Technician Notes
ÅWARNING: 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 repairs at the
component level or 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.

PPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES BEFORE YOU BEGIN 3
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Locating Additional Information
The following documentation is available to support this product:
•Compaq Presario 1600XL 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

4 BEFORE YOU BEGIN P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258

Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES PRODUCT DESCRIPTION 1
Product Description
Models and Features
Additional Models on Next Page
Compaq Presario 1600XL Series Portable Notebook Computer Models
XL140 XL141
Display 12.1 inch TFT 12.1 inch TFT
Processor Celeron 466-MHz w/128 Cache Celeron 466-MHz w/128 Cache
Hard Drive 6.0GB 6.0GB
CD or DVD Drive 24 CD Drive 6X DVD Drive
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56.0 Kbps Data/Fax with PCI-I 56.0 Kbps Data/Fax with PCI-I
Networking None None
Battery 3.2 Li-ION 3.2 Li-ION
System Memory 64 MB PC100 64 MB PC100
Misc 1 TV-Out TV-Out
XL142 XL143
Display 12.1 inch TFT 14.1 inch TFT
Processor Pentium III/500-MHz w/128
Cache
Pentium III/500-MHz w/128
Cache
Hard Drive 6.0GB 12.0GB
CD or DVD Drive 6X DVD Drive 6X DVD Drive
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56.0 Kbps Data/Fax 56.0 Kbps Data/Fax
Networking None None
Battery 3.2 Li-ION 3.2 Li- ION
System Memory 64 MB PC100 64 MB PC100

2 PRODUCT DESCRIPTION P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Additional Models on Next Page
Compaq Presario 1600XL Series Portable Notebook Computer Models
XL144 XL145
Display 14.1 inch TFT 14.1 inch TFT
Processor Celeron 466-MHz w/128 Cache Pentium III 500-MHz w/256 Cache
Hard Drive 6.0GB 6.0GB
CD or DVD Drive 6X DVD Drive 6X DVD Drive
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56.0 Kbps Data/Fax International
with PCI
56.0 Kbps Data/Fax International
with PCI
Networking None None
Battery 3.2 Li-ION 3.2 Li-ION
System Memory 64 MB PC100 64 MB PC100
Misc 1 TV-Out TV-Out
XL146 XL147
Display 14.1 inch TFT 14.1 inch TFT
Processor Pentium III 500-MHz w/256
Cache
Pentium III 500-MHz w/256 Cache
Hard Drive 12.0GB 12.0GB
CD or DVD Drive 6X DVD Drive 6X DVD Drive
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56.0 Kbps Data/Fax 56.0 Kbps Data/Fax-I
Networking None None
Battery 3.2 Li-ION 3.2 Li-ION
System Memory 64 MB PC100 64 MB PC100

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES PRODUCT DESCRIPTION 3
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Additional Models on Next Page
* Modem Legend
1) 56K Mini PCI d/f 1 = Bear/Grizzly Modem/NIC Combo = NA, CKK, LA
2) 56K Mini PCI d/f 2 = Seminole = EMEA/APD
3) 56K Mini PCI d/f 3 = Seminole 2 = All AUS/NZ
Compaq Presario 1600XL Series Portable Notebook Computer Models
XL150 XL156
Display 14.1 inch TFT 12.1 inch TFT
Processor Celeron 500-MHz w/128 Cache PIII/600(256) FCPGA
Hard Drive 6.0GB 6.0GB
CD or DVD Drive 6X DVD Drive 24X
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56.0 Kbps Data/Fax 56K Mini PCI d/f 1*
Networking None None
Battery 3.2 Li-ION 3.2 Li-ION
System Memory 64 MB PC100 64 MB PC101
XL157 XL255
Display 14.1 inch TFT 13.3 inch TFT
Processor PIII/600(256) FCPGA Cel/566(128) FCPGA
Hard Drive 6.0GB 6.0GB
CD or DVD Drive 6X DVD Drive DVD
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56K Mini PCI d/f 1* 56K Mini PCI d/f 2*
Networking None None
Battery 3.2 Li-ION 3.2 Li-ION
System Memory 64 MB PC102 64 MB PC100

4 PRODUCT DESCRIPTION P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
* Modem Legend
1) 56K Mini PCI d/f 1 = Bear/Grizzly Modem/NIC Combo = NA, CKK, LA
2) 56K Mini PCI d/f 2 = Seminole = EMEA/APD
3) 56K Mini PCI d/f 3 = Seminole 2 = All AUS/NZ
Compaq Presario 1600XL Series Portable Notebook Computer Models
XL256 XL257
Display 14.1 inch TFT 14.1 inch TFT
Processor PIII/650(256) FCPGA Cel/566(128) FCPGA
Hard Drive 6.0GB 12.0GB
CD or DVD Drive DVD DVD
Diskette Drive 3.5 inch Floppy Drive 3.5 inch Floppy Drive
Modem 56K Mini PCI d/f 2* 56K Mini PCI d/f 1*
Networking None None
Battery 3.2 LiON 3.2 LiON
System Memory 64 MB PC100 64 MB PC100
XL258
Display 14.1 inch TFT
Processor PIII/600(256) FCPGA
Hard Drive 12.0GB
CD or DVD Drive DVD
Diskette Drive 3.5 inch Floppy Drive
Modem 56K Mini PCI d/f 1*
Networking None
Battery 3.2 LiON
System Memory 64 MB PC100