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
Removal and Replacement Preliminaries
CONTENTS
preface
About This Guide
Removal and Replacement Procedures
iv Contents
chapter
Specifications
Connectors, Jumpers, and Switches
Service Notes
chapter
preface
Symbols and Conventions
ABOUT THIS GUIDE
Technician Notes
Compaq Service Advisories and Bulletins Compaq QuickFind
Locating Additional Documentation
Technical Reference Guide Compaq Service Quick Reference Guide
The following documentation is available to support these products
PRODUCT DESCRIPTION
chapter
Compaq Deskpro EP Series of Personal Computers
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
Front Panel Controls and LEDs - Intel 810/ 810e
1.4.2 Front Panel Controls and LEDs - Intel 810/810e
Component/Function
Component/Function
Rear Panel Connectors - 440BX
1.4.3 Rear Panel Connectors - 440BX
Component
Component
Rear Panel Connectors - Intel 810/810e
1.4.4 Rear Panel Connectors - Intel 810/810e
Component
Component
Configuration
1.4.5 Drive Positions
Drive bay numbers are stamped on the chassis
Drive Positions
Serial Number Locations
1.5 Serial Number Location
SPARE PARTS
chapter
2.1.1 System Unit - 440BX
2.1 System Unit
System Unit Spare Parts - 440BX Model
2-2 Spare Parts
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
Description
Cables
Spare Part Number
Cable Kit includes
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
PREMIER ∙SOUND 440BX
Standard and Optional Boards Continued
Compaq PREMIER ∙SOUND board
2-14 Spare Parts
2.5 Keyboards
Keyboards
Compaq Despro EP Series of Personal Computers
Miscellaneous Hardware
2.6 Miscellaneous Hardware Kit
Miscellaneous Hardware Kit
2-16 Spare Parts
Miscellaneous Plastics Kit, Desktop and Minitower
2.7 Miscellaneous Plastics Kit
Miscellaneous Plastics Kit
Compaq Despro EP Series of Personal Computers
Miscellaneous Parts
2.8 Miscellaneous Parts
Miscellaneous Parts
2-18 Spare Parts
2.10 Documentation and Software
2.9 Shipping Boxes
Shipping Boxes not illustrated
Documentation and Software not illustrated
3.1.1 Cleaning Safety Precautions
REMOVAL AND REPLACEMENT PRELIMINARIES
3.1.2 Cleaning the Computer Case
3.1 Routine Care
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
3.2.4 Grounding Workstations
3.2.3 Personal Grounding Methods and Equipment
3.2.5 Recommended Materials and Equipment
Static Shielding Protection Levels
3.3.3 Cables and Connectors
3.3 Service Considerations
3.3.1 Tools and Software Requirements
3.3.2 Screws
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
Drivelock Mechanism
4.12 Removing the Drivelocks
4-21
Compaq Deskpro EP Series of Personal Computers
Removing the Drivelock Mechanism
4-22 Removal and Replacement Procedures
11. Remove the spring from the post see inset
4.13.1 440BX
4.13 Expansion Boards
4-24 Removal and Replacement Procedures
Deskpro EP Expansion Slots - 440BX 2-DIMM Model
Deskpro EP Expansion Slots - Intel
4.13.2 Intel 810 and 810e
Deskpro EP Expansion Slots - Intel 810e
4-25
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
Removing the Speaker From the Rear of the Chassis
To install the new speaker, reverse the preceding steps
4-41
Compaq Deskpro EP Series of Personal Computers
Locating the Battery on the System Board - 440BX
4.20 Lithium Battery
Locating the Battery on the System Board - Intel 810e
Locating the Battery on the System Board - Intel
4-43
Compaq Deskpro EP Series of Personal Computers
5. Lift the battery out of the holder
Removing the Fan
4.21 Fan Assembly
Removing the Power Supply - 440BX
4.22 Power Supply
Removing the Power Supply - Intel 810/810e
To replace the power supply, reverse the above procedure
4-47
Compaq Deskpro EP Series of Personal Computers
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
5.1.1 Connectors, Jumpers, and Switches
CONNECTORS, JUMPERS, AND SWITCHES
Connectors, Jumpers, and Switches - 440BX Three-DIMM Board
5.1 System Board
Connectors, Jumpers, and Switches - Intel 810e PCA=010697-101
Connectors, Jumpers, and Switches - 440BX Two-DIMM Board
5-2 Connectors, Jumpers, and Switches
System Board Overview - 440BX Two-DIMM Board
System Board Overview - Intel 810 Two-DIMM Board
Connectors, Jumpers, and Switches - Intel 810/810e Two-DIMM Board
System Board Overview - Intel 810e Two-DIMM Board
Description
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
Definition
5.2.2 Drive Jumper Settings
Seagate
Fujitsu
Maxtor Ultra ATA Hard Drive Jumper Settings
Maxtor Ultra ATA Hard Drive Jumper Settings
5-12 Connectors, Jumpers, and Switches
Definition
6.1 Specifications
SPECIFICATIONS
System
6.1.1
6.1.2
Interrupts
6-2 Specifications
Hardware IRQ
6.1.3
6.1.4 I/O
System Function Shipping Configuration
Hardware DMA
6-4 Specifications
System Function Shipping Configuration
I/O Address Hex
I/O Continued
6.1.5 Memory Map
6.2 Drives
1.44-MB Diskette Drive
6.2.1
6-6 Specifications
6.2.2
Ultra ATA Hard Drives
3.2-GB
6.2.3 CD-ROM Drives
24X Max
32X Max
6-8 Specifications
CD-ROM continued
40X Max
6.3 Compaq Enhanced Keyboard
6.5 Supported Graphics Resolutions
6.4 2-Button Mouse
6.5.1 ATI RAGE PRO TURBO 1X AGP
6.5.3 NVIDIA RIVA 128 AGP
6.5.2 ATI RAGE PRO IIC AGP
6.5.4 Matrox MGA G100 AGP
6-10 Specifications
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
tools service considerations
system design, 1-3 specifications system board
Ultra ATA devices, 4-13 Ultra ATA hard drive specifications
Western Digital EIDE hard drive jumper settings
134011-004
181099-001