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Maintenance &
Service Guide
Compaq Deskpro EP Series
of Personal Computers
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Guide to Features & Upgrades Compaq Deskpro EP Series of Personal Computers
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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. 2000 Compaq
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ONTENTS C preface About This Guide Symbols and Conventions ........................................................................................................ vii Technician Notes ...................................................................................................................... vii Locating Additional Documentation ....................................................................................... viii chapter 1 Product Description 1.1 Model Overview ................
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3.2 Electrostatic Discharge Information................................................................................ 3-3 3.2.1 Generating Static ................................................................................................ 3-3 3.2.2 Preventing Electrostatic Damage to Equipment ................................................. 3-3 3.2.3 Personal Grounding Methods and Equipment.................................................... 3-4 3.2.4 Grounding Workstations...............
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chapter 5 Connectors, Jumpers, and Switches 5.1 System Board .................................................................................................................. 5-1 5.1.1 Connectors, Jumpers, and Switches.................................................................... 5-1 5.1.2 Switches.............................................................................................................. 5-4 5.1.3 Jumpers (440BX)..........................................................
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preface ABOUT THIS GUIDE This Maintenance & Service Guide is a troubleshooting and repair guide that can be used for reference when servicing the Compaq Deskpro EP Series of Personal Computers. Only authorized technicians trained by Compaq should attempt to repair this equipment. Compaq Computer Corporation reserves the right to make changes to these models without notice. Symbols and Conventions The following text and symbols mark special messages throughout this guide: WARNING: Text set off i
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Locating Additional Documentation The following documentation is available to support these products: ! User Documentation ! Technical Training Guides ! Compaq Service Advisories and Bulletins ! Compaq QuickFind ! Technical Reference Guide ! Compaq Service Quick Reference Guide viii About This Guide
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chapter 1 PRODUCT DESCRIPTION This chapter describes the model offerings and features of Compaq Deskpro EP Series of Personal Computers. Compaq Deskpro EP Series of Personal Computers Compaq Deskpro EP Series of Personal Computers 1-1
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1.1 Model Overview Compaq Deskpro EP Series of Personal Computers ship as either desktop or minitower models. They contain the unique, flexible Compaq ATX chassis, which allows you to easily reconfigure the unit as a minitower by (1) removing the drives from the computer, (2) standing the unit on its side, (3) rotating the drives and bezel blanks 90 degrees, then (4) reinserting the drives into the drive bays. ✎ The Compaq Deskpro EP Series, Intel 440BX chipset models will be referred to in this
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1.2 System Design ! Desktop models of the Compaq Deskpro EP Series of Personal Computers use an innovative chassis to house the removable system board, expansion boards, power supply, and mass storage devices. ! Internal components are accessible when the access panel is removed. ! The front bezel is a multi-part assembly that attaches to the chassis with release latches. Attached to the back of the front bezel is a subpanel that holds the bezel blanks. ! The system board may be removed from the
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1.3 Preinstalled Software This computer ships with Windows 95, Windows 98, or Windows NT 4.0 installed as the operating system, and also contains the following preloaded software: ! ROM-based Setup utilities ! Compaq Diagnostics for Windows ! Compaq support software and device drivers ! Online Safety & Comfort Guide (English only) ! Intelligent Manageability ! Power Management with Energy Saver features ! Security Management ! Remote Management Tools ! Microsoft Internet Explorer 1.3.1 Ordering
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1.4 Computer Features Compaq Deskpro EP Series of Personal Computers ship with a mouse and keyboard. Some models are also equipped with a CD-ROM drive. A Compaq color monitor or other compatible monitor does not ship with the computer. 1.4.1 Front Panel Controls and LEDs - 440BX Front Panel Controls and LEDs - 440BX
1 6 2
7 !
" 3 #$ % 8 &
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1.4.2 Front Panel Controls and LEDs - Intel 810/810e Front Panel Controls and LEDs - Intel 810/ 810e
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1.4.3 Rear Panel Connectors - 440BX Rear Panel Connectors - 440BX 1 7 & ./0 & &
.
2 8 - 112 /34
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1.4.4 Rear Panel Connectors - Intel 810/810e Rear Panel Connectors - Intel 810/810e !
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9 - 112 /34
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1.4.5 Drive Positions Drive Positions
1, 2 1+ / ) 2'/2
+
8
- 8 ! 3 3'2
+ 1'::%
3 ! 2'/2
- 4, 5 :+ 2 ) 3'2
- 7 % :
!
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✎ Drive bay numbers are stamped on the chassis. To verify the type and size of the mass storage devices installed in the co
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1.5 Serial Number Location The serial number and model information label is located on the access panel of the unit 1. A second barcode label is located on the rear of the unit 2. Serial Number Locations For the purpose of AssetControl, the serial number is embedded in CMOS and in the EEPROM on the system board and may be accessed through Diagnostics for Windows. ✎ If the system board is replaced with a spare part from Compaq, the invalid serial number condition will be recognized during POST. T
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chapter 2 SPARE PARTS Compaq Deskpro EP Series of Personal Computers . The Compaq Deskpro EP Series, Intel 440BX chipset models will be referred to in this MSG as 440BX. The Compaq Deskpro EP Series, Intel 810 chipset models will be referred to in this MSG as 810 or Intel 810. The Compaq Deskpro EP Series, Intel 810e chipset models will be referred to in this MSG as 810e or Intel 810e. Compaq Despro EP Series of Personal Computers 2-1
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2.1 System Unit 2.1.1 System Unit - 440BX System Unit Spare Parts - 440BX Model 2-2 Spare Parts
