Compaq Armada 1500 Manual

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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.

1997 Compaq Computer Corporation.

Compaq, LTE, Contura, ProLinea, QuickLock, QuickBlank are

registered in the U. S. Patent and Trademark Office. Armada is a trademark of Compaq

Computer Corporation.

Contura is registered in the Philippines Patent Office.

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

Windows 95 is a trademark 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 Armada 1500 Family of Personal Computers

First Edition (March 1997)

Spare Part Number 255011-001

Document Part Number 284820-001

Compaq Computer Corporation

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Preface

Preface xi

Preface

This Maintenance and Service Guide is a troubleshooting guide that can be used for

reference when servicing the Compaq Armada 1500 Family of Personal Computers.

Additional information is available in the Service Quick Reference Guide and in

QuickFind.

Compaq Computer Corporation reserves the right to make changes to the Compaq

Armada 1500 Personal Computers without notice.

Symbols

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

!WARNING: Text set off in this manner indicates that failure to follow directions in the

warning could result in bodily harmor loss of life.

CAUTION: Text set off in this manner indicates that failure to follow directions could

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 other points

of information.

Technician Notes

!WARNING: Only authorized technicians trained byCompaq should attempt to repair

this equipment. All troubleshooting and repair proceduresare detailed to allow only

subassembly/module level repair. Because of the complexity of the individual boards and

subassemblies, no one should attempt to make repairs at the component level or to

make modifications to any printed wiring board. Improper repairs can create a safety

hazard. Any indication of component replacement or printed wiring board modifications

may void any warranty or exchange allowances.

CAUTION: To properlyventilate the systembeing serviced, you must provide at least

3 inches (7.62 cm)of clearance on the front and back of the computer.

!WARNING: The computer is designed to be electrically grounded. To ensure proper

operation, plug the AC powercord into a properly grounded electricaloutlet only.

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xii Preface

Laser Safety

All Compaq systems, equipped with CD-ROM drives, comply with appropriate safety

standard including IEC 825. With specific regard to the laser, the equipment complies

with laser product performance standards set by government agencies as a Class 1 laser

product. It does not emit hazardous light; the beam is totally enclosed during all modes

of customer operation and maintenance.

CDRH Regulations

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug

Administration implemented regulations for laser products on August 2, 1976. These

regulations apply to laser products manufactured from August 1, 1976. Compliance is

mandatory for products marketed in the United States.

!WARNING: Use of controls or adjustments or performance of procedures

other than those specified herein or in the CD ROM installation guide

may result in hazardous radiation exposure.

This system is classified as a CLASS 1 LASER PRODUCT. This label is located on

the outside of the system being serviced. A similar label also appears on the internal

CD-ROM installed in the system.

LASER INFO

Laser Type: Semiconductor GaAIAs

Wave Length: 780 +/- 35 nm

Divergence Angle: 53.5 Degree +/- 1.5 Degree

Output Power: Less than 0.2mW or 10,869 W•m-2sr-1

Polarization: Circular

Numerical Aperture: 0.45 +/- 0.04

Only authorized technicians, service provider, dealer, or reseller should attempt to

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, no one should attempt to make repairs at the component

level or to make modifications to any printed wiring board. Improper repairs can create

a safety hazard as well as void the warranty.

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Preface xiii

Battery Notice

This computer contains an internal lithium battery-powered real-time clock circuit.

There is a risk of explosion and injury if the battery is incorrectly replaced or handled

improperly. Do not attempt to recharge, disassemble, immerse in water, or dispose of it

in fire. Replacement should be done using the Compaq spare part for this computer.

The computer also contains a nickel metal hydride or lithium-ion battery pack. There is

a risk of fire and chemical burn if the battery pack is handled improperly. Do not

disassemble, crush, puncture, short external contacts, dispose in fire or water, or expose

it to temperatures higher than 60 degrees C.

In North America, dispose of nickel metal hydride or lithium-ion batteries by taking

advantage of the Compaq battery recycling program. You will be provided with a

postage-paid battery pack mailer preaddressed to a reclamation facility where the metals

are recycled.

In Europe, do not dispose of batteries and accumulators with general household waste.

Dispose of or recycle them by using the public collection system or returning them to

Compaq.

Serial Number

The serial number is located on the back of the computer directly below the parallel

connector.

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xiv Preface

Locating Additional Information

The following documentation is available to support the products:

■Quick Setup

■Reference Guide

■Introducing Microsoft Windows 95

■Compaq Service Quick Reference Guide

■Service Training Guides

■Compaq Service Advisories and Bulletins

■Compaq QuickFind

■Technical Reference Guide

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Contents v

Contents

Preface Symbols xi

Technician Notes xi

Laser Safety xii

CDRH Regulations xii

Battery Notice xiii

Serial Number xiii

Locating Additional Information xiv

Chapater 1

Computer Product Description

1.1 Computer Features and Models 1-1

1.2 Standard Features 1-2

1.2.1 Software Fulfillment 1-3

1.3 Options 1-4

1.3.1 Convenience Base 1-4

1.3.2 System Memory Options 1-4

1.3.3 External Battery Charger 1-5

1.3.4 External Keyboards and Pointing Devices 1-5

1.3.5 External Monitors 1-5

1.4 External Computer Components 1-6

1.4.1 Front and Left Side Components 1-6

1.4.2 Right Side Components 1-7

1.4.3 Rear Components 1-8

1.4.4 Bottom Components 1-9

1.4.5 Status Panel Lights 1-10

Chapter 2

Convenience Base Description

2.1 Models and Features 2-1

2.2 Convenience Base Features 2-3

2.3 Convenience Base Components 2-4

2.3.1 Front and Right Side Components 2-4

2.3.2 Rear Components 2-6

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vi Contents

Chapter 3

Troubleshooting

3.1 Preliminary Steps 3-2

3.2 Clearing the Power-On and Setup Passwords 3-3

3.3 Power-On Self Test (POST) 3-4

3.4 POST Error Messages 3-4

3.5 Compaq Utilities 3-7

Running Computer Setup 3-7

Running Computer Checkup (TEST) 3-8

View System Information (INSPECT) 3-10

3.6 Diagnostic Error Codes 3-11

3.7 Troubleshooting Without Diagnostics 3-17

3.7.1 Solving Minor Problems 3-17

Chapter 4

Illustrated Parts for the Computer

4.1 System Unit 4-2

4.2 Mass Storage Devices 4-4

4.3 Cables and Power Cords 4-6

4.4 Standard and Optional Boards 4-8

4.5 Options 4-10

4.6 Miscellaneous Parts 4-12

4.8 Shipping Boxes 4-14

4.9 Documentation 4-14

Chapter 5

Illustrated Parts for the Convenience Base

5.1 System Unit 5-2

Chapter 6

Removal and Replacement Preliminaries

6.1 Electrostatic Discharge 6-1

Generating Static 6-1

Preventing Electrostatic Damage to Equipment 6-2

Removing Batteries 6-2

Preventing Damage to Drives 6-3

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Contents vii

Grounding Methods 6-3

Grounding Workstations 6-4

Grounding Equipment 6-4

Recommended Materials and Equipment 6-5

6.2 Service Considerations 6-6

Tool Requirements 6-6

Cables and Connectors 6-6

6.3 Serial Number 6-6

Chapter 7

Computer Removal and Replacement Procedures

7.1 Serial Number 7-1

7.2 Disassembly Sequence Chart 7-2

7.3 Design Overview 7-3

7.3.1 System Unit 7-3

7.3.2 Internal Boards 7-3

7.3.3 Video system 7-4

7.4 Preparing the Computer for Disassembly 7-5

7.4.1 Disconnecting the AC Power 7-5

7.4.2 Undocking the Computer 7-5

7.4.3 Battery Pack 7-6

7.4.4 DualBay Devices 7-8

7.4.5 PCMCIA 7-9

7.5 Modem 7-10

7.6 CD-ROM Drive 7-11

7.7 Keyboard 7-13

7.8 Memory Board 7-16

7.9 Hard Drive 7-19

7.10 Lithium Real Time Clock Battery 7-21

7.11 Microphone/Display Cable Cover and Microphone 7-23

7.12 Clutch Covers/Display Assembly 7-26

7.12.1 Clutch Covers 7-26

7.12.2 Display Assembly 7-27

7.12.3 Clutches 7-28

7.12.4 Display latches 7-32

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viii Contents

7.13 Top Cover Assembly 7-34

7.13.1 Power Button 7-36

7.13.2 Suspend Button 7-37

7.13.3 Left and Right Touchpad Buttons 7-38

7.14 LED Status Panel 7-40

7.15 Audio Board, Speakers, and Audio Cable 7-41

7.16 DC-DC Converter 7-43

7.17 Fan 7-47

7.18 I/O Fixture Connector 7-49

7.19 System Board 7-51

7.20 AC Power 7-53

7.21 External Computer Components 7-54

7.21.1 Computer Logo 7-54

7.21.2 Computer Feet 7-54

Chapter 8

Upgrade Procedures for the Convenience Base

8.1 Serial Number 8-1

8.2 Preliminary Procedure 8-1

8.2.1 Installing the Optional 100BaseT Ethernet Network Module 8-2

Chapter 9

Specifications

9.1 Computer 9-2

9.2 Displays 9-3

9.3 Hard Drives 9-4

9.4 Diskette Drive 9-5

9.5 CD-ROM Drive 9-6

9.6 Battery Packs 9-7

9.7 Convenience Base 9-8

9.8 External Power Supplies 9-9

9.9 System Interrupts 9-11

9.10 System DMA 9-11

9.11 System I/O Address 9-12

9.12 System Memory Map 9-14

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Contents ix

Appendix A

Comput A-1

Appendix B

Power Cord Set Requirements

3-Conductor Power Cord Set B-1

General Requirements B-1

Country-Specific Requirements B-2

Notes: B-2

Appendix C

Modem Commands C-1

Index I-1

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