Maintenance & Service Guide
Compaq Deskpro EP Series of Personal Computers
Guide to Features & Upgrades
Compaq Deskpro EP Series of Personal Computers
Compaq Deskpro EP Series of Personal Computers
Maintenance & Service Guide
Compaq Computer Corporation
preface
CONTENTS
Removal and Replacement Preliminaries
About This Guide
iv Contents
Removal and Replacement Procedures
chapter
Service Notes
Connectors, Jumpers, and Switches
Specifications
chapter
ABOUT THIS GUIDE
Symbols and Conventions
preface
Technician Notes
Technical Reference Guide Compaq Service Quick Reference Guide
Locating Additional Documentation
Compaq Service Advisories and Bulletins Compaq QuickFind
The following documentation is available to support these products
Compaq Deskpro EP Series of Personal Computers
chapter
PRODUCT DESCRIPTION
Compaq Deskpro EP Series of Personal Computers
1.1 Model Overview
1.2 System Design
1.3.1 Ordering Additional Software
1.3 Preinstalled Software
Online Safety & Comfort Guide English only
1.4 Computer Features
1.4.1 Front Panel Controls and LEDs - 440BX
Component/Function
1.4.2 Front Panel Controls and LEDs - Intel 810/810e
Front Panel Controls and LEDs - Intel 810/ 810e
Component/Function
Component
1.4.3 Rear Panel Connectors - 440BX
Rear Panel Connectors - 440BX
Component
Component
1.4.4 Rear Panel Connectors - Intel 810/810e
Rear Panel Connectors - Intel 810/810e
Component
Drive bay numbers are stamped on the chassis
1.4.5 Drive Positions
Configuration
Drive Positions
1.5 Serial Number Location
Serial Number Locations
chapter
SPARE PARTS
System Unit Spare Parts - 440BX Model
2.1 System Unit
2.1.1 System Unit - 440BX
2-2 Spare Parts
Major Differences Between 440BX and Intel 810/810e
System Unit Spare Parts - 440BX
Compaq Despro EP Series of Personal Computers
System Unit Spare Parts - Intel 810/810e Model
2.1.2 System Unit - Intel 810/810e
2-4 Spare Parts
System Unit Spare Parts - Intel 810/810e
Major Differences Between 440BX and Intel 810/810e
Mass Storage Devices
2.2 Mass Storage Devices
2-6 Spare Parts
Mass Storage Devices
Cables
2.3 Cables
2-8 Spare Parts
Spare Part Number
Cables
Description
Cable Kit includes
Standard and Optional Boards
2.4 Standard and Optional Boards
2-10 Spare Parts
Standard and Optional Boards
Not shown
Standard and Optional Boards, continued
2-12 Spare Parts
Compaq Despro EP Series of Personal Computers
Standard and Optional Boards Continued
and thermal interface. Use on 010697-101 system board
Compaq PREMIER ∙SOUND board
Standard and Optional Boards Continued
PREMIER ∙SOUND 440BX
2-14 Spare Parts
Keyboards
2.5 Keyboards
Compaq Despro EP Series of Personal Computers
Miscellaneous Hardware Kit
2.6 Miscellaneous Hardware Kit
Miscellaneous Hardware
2-16 Spare Parts
Miscellaneous Plastics Kit
2.7 Miscellaneous Plastics Kit
Miscellaneous Plastics Kit, Desktop and Minitower
Compaq Despro EP Series of Personal Computers
Miscellaneous Parts
2.8 Miscellaneous Parts
Miscellaneous Parts
2-18 Spare Parts
Shipping Boxes not illustrated
2.9 Shipping Boxes
2.10 Documentation and Software
Documentation and Software not illustrated
3.1.2 Cleaning the Computer Case
REMOVAL AND REPLACEMENT PRELIMINARIES
3.1.1 Cleaning Safety Precautions
3.1 Routine Care
3.1.4 Cleaning the Monitor
3.1.3 Cleaning the Keyboard
3.1.5 Cleaning the Mouse
3.2.1 Generating Static
3.2 Electrostatic Discharge Information
3.2.2 Preventing Electrostatic Damage to Equipment
3.2.5 Recommended Materials and Equipment
3.2.3 Personal Grounding Methods and Equipment
3.2.4 Grounding Workstations
Static Shielding Protection Levels
3.3.1 Tools and Software Requirements
3.3 Service Considerations
3.3.3 Cables and Connectors
3.3.2 Screws
3.3.4 Hard Drives
3.3.5 Plastic Parts
4.1 Disassembly Sequence Chart
REMOVAL AND REPLACEMENT PROCEDURES
chapter
4.2 Disassembly Preparation
4.3 Feet Installation
Installing the Feet
4.4 Logo Plate
Replacing the Compaq Logo Plate
4.5 Cable Lock
Installing the Cable Lock Provision - Intel 810/810e
To remove the cable lock provision, reverse the above procedure
4-6 Removal and Replacement Procedures
4.6 Access Panel
4.7 Front Bezel
Removing the Front Bezel
4.8 Power Button
Removing the Power Button
4.9 Subpanel and Bezel Blanks
Removing the Subpanel and Bezel Blanks
4.10 Power Switch
Disconnecting the Power Switch
4.11 Mass Storage Devices
Drive Positions
Using the Cable-Select Feature with Ultra ATA Devices
Disconnecting the Cables
4.11.1 Removing an Internal 3.5-Inch Hard Drive
Unlocking the Drives
8. Remove the four guide screws from the drive
4.11.2 Removing an External 5.25-Inch Drive
Releasing the Drives
Removing an External 5.25-inch Drive
4.11.3 Removing an External 3.5-Inch Drive
4-18 Removal and Replacement Procedures
8. Remove the drive bezel
To replace the drive, reverse the previous procedures
4-21
4.12 Removing the Drivelocks
Drivelock Mechanism
Compaq Deskpro EP Series of Personal Computers
4-22 Removal and Replacement Procedures
Removing the Drivelock Mechanism
11. Remove the spring from the post see inset
4-24 Removal and Replacement Procedures
4.13 Expansion Boards
4.13.1 440BX
Deskpro EP Expansion Slots - 440BX 2-DIMM Model
Deskpro EP Expansion Slots - Intel 810e
4.13.2 Intel 810 and 810e
Deskpro EP Expansion Slots - Intel
4-25
4.13.3 Removing an Expansion Board
Removing the Expansion Board
4.13.4 Installing an Expansion Board
Removing the Expansion Board Slot Cover
6. Secure the board to the chassis with the retaining screw
4.14 Board Guide
Removing the Board Guide
4.15.1 440BX
4.15 System Memory
4.15.2 Intel 810/810e
Installing a DIMM Module
4.16 AGP Graphics Board 440BX
4.16.1 AGP Graphics Board Removal 440BX
4.16.2 Graphics Memory Upgrade 440BX
Installing the Memory Module
4.17 Processor Components
4.17.1 Processor
To install a new processor, reverse this procedure
4-36 Removal and Replacement Procedures
4.17.2 Processor Guide Rails
Removing the Processor Rails
Reinstall the system board in the computer chassis
4.18 System Board
Removing the System Board
4.19 Internal Speaker
Removing the Speaker From the Side of the Drive Cage
4-41
To install the new speaker, reverse the preceding steps
Removing the Speaker From the Rear of the Chassis
Compaq Deskpro EP Series of Personal Computers
4.20 Lithium Battery
Locating the Battery on the System Board - 440BX
4-43
Locating the Battery on the System Board - Intel
Locating the Battery on the System Board - Intel 810e
Compaq Deskpro EP Series of Personal Computers
5. Lift the battery out of the holder
4.21 Fan Assembly
Removing the Fan
4.22 Power Supply
Removing the Power Supply - 440BX
4-47
To replace the power supply, reverse the above procedure
Removing the Power Supply - Intel 810/810e
Compaq Deskpro EP Series of Personal Computers
4.23 Converting a Desktop to a Minitower
Activating the Drivelocks Shown from the Rear of the Chassis
Installing a Drive in the Minitower Configuration
7. Reconnect the power, signal, and audio cables to the drives
4.24 Converting a Minitower to a Desktop
Installing a Drive in the Desktop Configuration
4-52 Removal and Replacement Procedures
8. Reconnect the power, signal, and audio cables to the drives
Connectors, Jumpers, and Switches - 440BX Three-DIMM Board
CONNECTORS, JUMPERS, AND SWITCHES
5.1.1 Connectors, Jumpers, and Switches
5.1 System Board
5-2 Connectors, Jumpers, and Switches
Connectors, Jumpers, and Switches - 440BX Two-DIMM Board
Connectors, Jumpers, and Switches - Intel 810e PCA=010697-101
System Board Overview - 440BX Two-DIMM Board
System Board Overview - Intel 810e Two-DIMM Board
Connectors, Jumpers, and Switches - Intel 810/810e Two-DIMM Board
System Board Overview - Intel 810 Two-DIMM Board
Description
5.1.2 Switches
Switch SW1 Settings 440BX
5.1.3 Jumpers 440BX
E50 Jumper Location
Clearing Configuration Memory CMOS 440BX
Disabling or Clearing the Power-On and Setup Passwords 440BX
5-6 Connectors, Jumpers, and Switches
5.1.4 Jumpers Intel 810/810e
E49 Jumper Location
Disabling or Clearing the Power-On and Setup Passwords Intel 810/810e
5-8 Connectors, Jumpers, and Switches
Clearing Configuration Memory CMOS - Intel 810/810e
CMOS Button SW50 Location
5.2.1 Using the Cable-Select Feature with Ultra ATA Devices
5.2 Hard Drives
Seagate
5.2.2 Drive Jumper Settings
Definition
Fujitsu
5-12 Connectors, Jumpers, and Switches
Maxtor Ultra ATA Hard Drive Jumper Settings
Maxtor Ultra ATA Hard Drive Jumper Settings
Definition
System
SPECIFICATIONS
6.1 Specifications
6.1.1
6-2 Specifications
Interrupts
6.1.2
Hardware IRQ
System Function Shipping Configuration
6.1.4 I/O
6.1.3
Hardware DMA
I/O Address Hex
System Function Shipping Configuration
6-4 Specifications
I/O Continued
1.44-MB Diskette Drive
6.2 Drives
6.1.5 Memory Map
6.2.1
Ultra ATA Hard Drives
6.2.2
6-6 Specifications
3.2-GB
24X Max
6.2.3 CD-ROM Drives
32X Max
CD-ROM continued
6-8 Specifications
40X Max
6.4 2-Button Mouse
6.5 Supported Graphics Resolutions
6.3 Compaq Enhanced Keyboard
6.5.1 ATI RAGE PRO TURBO 1X AGP
6.5.4 Matrox MGA G100 AGP
6.5.2 ATI RAGE PRO IIC AGP
6.5.3 NVIDIA RIVA 128 AGP
6-10 Specifications
6.5.6 Matrox Millenium G400-SG AGP
6.5.5 Matrox Millenium G200-SD AGP
6.5.7 Integrated Intel 3D Graphics
6-12 Specifications
6.6 Audio Controllers
440BX440BX
Intel 810/810e
6-13
SERVICE NOTES
chapter
Index
Page
Ultra ATA devices, 4-13 Ultra ATA hard drive specifications
system design, 1-3 specifications system board
tools service considerations
Western Digital EIDE hard drive jumper settings
181099-001
134011-004