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