Main
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Notice
Maintenance and Service Guide
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C
preface About this Guide
chapter 1 Product Description
chapter 2 Compaq Utilities
chapter 3 Illustrated Parts Catalog
chapter 4 Removal and Replacement Prelinimaries
chapter 5 Removal and Replacement Procedures - Desktop
chapter 6 Removal and Replacement Procedures - Minitower
chapter 7 Jumper and Switch Information
chapter 8 Specifications
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preface
ABOUT THIS GUIDE
Symbols and Conventions
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Technician Notes
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System Serial Number
Locating Additional Information
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1.1 Compaq Deskpro 2000 Series of Personal Computer Models
1.1.1 Desktop Models
Table 1-1 Desktop Models
1.1.2 Minitower Models
1.2 Features
1.2.1 Pentium System Feature Summary
1.2.2 Pentium II System Feature Summary
1.2.3 Features Common to Both
1.3 System Design
1.3.1 Design Overview
1.3.2 System Board
1.3.3 Processor
1.3.4 System Memory
1.3.5 Cache Memory
1.3.6 Graphics Controllers
1.3.7 Chipsets
VIA Chipset
440LX Chipset
1.3.8 System I/O
1.3.9 System BIOS
PCI Auto-Configuration
IDE/EIDE Auto-Configuration
ISA Plug and Play Capability
1.3.10 Expansion Slots
1.3.11 Power Supply
1.3.12 Diskette Drive Interface
1.3.13 Serial Port
1.3.14 Parallel Port
1.3.15 System Security
1.3.16 Keyboard/Mouse Controller
1.3.17 Real-Time Clock and CMOS RAM
1.3.18 Power Supply Fan
1.3.19 Speaker
1.3.22 Intelligent Manageability
Asset Management
Configuration Management
Integration Management
Fault Management
Security Management
1.4 Desktop Computer Features
1.4.1 Front Panel Controls and LEDs
Table 1-3 Lights and Controls
1.4.2 Drive Positions
Table 1-4 Compaq Deskpro 2000 Desktop Computer
1-16 Product Description
1.4.3 Rear Panel Connectors
Figure 1-4. Rear Panel Connectors
Table 1-5 Rear Panel Connectors
Compaq Deskpro 2000 Series of Personal Computers 1-17
1.5 Minitower Computer Features
1.5.1 Front Panel Lights and Controls
Figure 1-5. Power Switch and Front Panel Lights
Table 1-6 Lights and Controls
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Compaq Deskpro 2000 Series of Personal Computers 1-21
Table 1-8 Rear Panel Connectors
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Compaq Deskpro 2000 Series of Personal Computers 1-23
Table 1-9 Keyboard Features and Functions
Ref. Key Function
1.7 Options
1.7.1 Cache Upgrade
1.7.2 System Memory
1.7.3 Audio Upgrade
1.7.4 Mass Storage Options
1.7.5 Monitor Options
1.7.6 Graphics Controllers and Memory Options
1.7.7 Serial/Parallel Interface Board
1.7.8 PD-CD Drive
1.7.9 Modems
chapter 2
C OMPAQ U
2.1 Getting Ready
2.1.1 Preparing the Computer
2.1.2 Create a Diagnostics Diskette
2.1.3 Accessing the Compaq Utilities Menu
2.2 Computer Setup
Table 2-1 Built-In Devices
Quick Boot
Passive Release (Pentium II System)
2.2.1 Security Features
Establishing a Password in Windows 95
Establishing a Power-On Password Using Computer Setup
Entering a Power-On Password
Changing a Power-On Password
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2.2.2 QuickLock/QuickBlank
2.3 Computer Checkup (TEST)
2.4 View System Information (INSPECT)
2.5 Create a Diagnostics Diskette
2.6 Managing the Diagnostics Partition
2.7 Exiting the Compaq Utilities Menu
2.8 Compaq Enhanced Insight Personal Edition (Diagnostics for Windows)
2.9 Power-On Self-Test (POST)
2.10 ROMPaq
2.11 Compaq Intelligent Manageability
2.11.1 Asset Management
2.11.2 Fault Management
SMART II Hard Drive Fault Prediction
ECC Fault Prediction and Prefailure Warranty
2.11.3 Security Management
2.11.4 Configuration Management
Remote ROM Flash
Upgrading Flash ROM
Using Remote ROM Flash
FailSafe Boot Block ROM
Table 2-6 Keyboard Light Combinations
Figure 2-3. Keyboard Lights
Remote Security Management
Replicated Setup
Using Replicated Setup
Compaq Integrated Software
Universal Driver Manager
Enhanced Support Software CD and World Wide Web Site
2.11.5 Integration Management
Desktop Management Interface
Compaq Insight Manager and the Insight Management Agents
Compaq Desktop Management Solutions Partners Program
Systems Management Partners Program
2.12 Protecting Your Software
2.12.1 Ordering Backup Diskettes
2.13 Prefailure Warranty
chapter 3
ILLUSTRATED PARTS CATALOG
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Compaq Deskpro 2000 Series of Personal Computers 3-7
Table 3-3 Mass Storage Devices
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Compaq Deskpro 2000 Series of Personal Computers 3-9
Table 3-4 Cables
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Compaq Deskpro 2000 Series of Personal Computers 3-11
Table 3-5 Standard and Optional Boards
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Compaq Deskpro 2000 Series of Personal Computers 3-13
Table 3-5
2. Minitower system boards are spared mounted in the system board tray.
3-14 Illustrated Parts Catalog
3.5 Keyboards
Figure 3-8. Keyboard
Table 3-6 Keyboards
Compaq Deskpro 2000 Series of Personal Computers 3-15
Table 3-6
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Compaq Deskpro 2000 Series of Personal Computers 3-17
Table 3-7 Monitors
3-18 Illustrated Parts Catalog
Table 3-7
3.7 Miscellaneous Hardware Kit
3-20 Illustrated Parts Catalog
3.8 Miscellaneous Plastics Kit
Figure 3-11. Miscellaneous Plastics Kit, Desktops
Table 3-9 Miscellaneous Plastics Kit, Desktops
Compaq Deskpro 2000 Series of Personal Computers 3-21
Figure 3-12. Miscellaneous Plastics Kit, Minitowers
Table 3-10 Miscellaneous Plastics Kit, Minitowers
3.9 Miscellaneous Parts
Compaq Deskpro 2000 Series of Personal Computers 3-23
Figure 3-14. Miscellaneous Parts
Table 3-12 Miscellaneous Parts
3-24 Illustrated Parts Catalog
Figure 3-15. Power Switch Kit
Table 3-13 Power Switch Kit
3.10 Shipping Boxes
Table 3-14 Shipping Boxes
Compaq Deskpro 2000 Series of Personal Computers 3-25
3.11 Documentation
Table 3-15 Documentation
3-26 Illustrated Parts Catalog
3.12 Software
Table 3-16 Software
Description* Spare Part Number Warranty Tier
Compaq Deskpro 2000 Series of Personal Computers 3-27
Table 3-16
3-28 Illustrated Parts Catalog
Table 3-16
Description* Spare Part Number Warranty Tier
chapter 4
P
4.1 Electrostatic Discharge Information
4.1.1 Generating Static
Table 4-1 Typical Electrostatic Voltages
4.1.2 Preventing Electrostatic Damage to Equipment
4.1.3 Personal Grounding Methods
Table 4-2 Static Shielding Protection Levels
4.1.4 Grounding Workstations
4.1.5 Personal Grounding Equipment
4.1.6 Recommended Materials and Equipment
4.2 Routine Care
4.2.1 General Cleaning Safety Precautions
4.2.2 Cleaning the Computer Case
4.2.3 Cleaning the Keyboard
4.2.4 Cleaning the Monitor
4.2.5 Cleaning the Mouse
4.3 Service Considerations
4.3.1 Tools and Software Requirements
4.3.4 Hard Drives
4.3.5 Plastic Parts
4.3.6 Lithium Battery
chapter 5
PROCEDURES - DESKTOP
5-2 Removal and Replacement Procedures - Desktop
5.2 Disassembly Sequence Chart
Use the chart below to determine the disassembly sequence for removing components from the
5.3 Preparation for Disassembly
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5.5 Cable Lock
5.6 System Unit Cover
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5.8.1 Inboard Expansion Board
5.8.2 Outboard Expansion Board
5.9 System Board Components
5.9.1 Memory Modules
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5.9.3 Microprocessor
Pentium System Board
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Pentium II System Board
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5.9.4 Cache Memory (Pentium System Only)
5.10 Riser Board
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5.12 Expansion Board Guide
5.13 Replacement Battery
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5.14 Front Bezel Assembly
5.14.1 Front Bezel
5.14.2 Power Button
5.14.3 Bezel Blank
5.14.4 Compaq Logo
5.15 Power Supply Assembly
5.15.1 Power Switch Assembly
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5.15.2 Power Supply
5.16 Mass Storage Devices
5.16.1 3.5-Inch Drive Bays
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5.16.2 5.25-Inch Drive Bays
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5.17 Drive Cage
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5.19 System Board
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chapter 6
PROCEDURES - MINITOWER
6-2 Removal and Replacement Procedures - Minitower
6.2 Disassembly Sequence Chart
Use the chart below to determine the disassembly sequence for removing components from the
6.3 Preparation for Disassembly
6.4 Feet
6.5 Cable Lock
6.6 Exposing the Chassis
6.6.1 Access Panel
6.6.2 Minitower J Hood
6.7 Riser Brace
6.8 Expansion Board
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6.9 Expansion Board Guide
6.10 Riser Board
6.11 Speaker
6.12 System Board Components
6.12.1 Memory Module
6.12.2 Microprocessor
Pentium System Board
Pentium II System Board
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6.13 System Board
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6.14 Replacement Battery
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6.16 Front Bezel Assembly
6.16.1 Front Bezel
6.16.2 Power Button
6.16.3 Bezel Blank
6.16.4 Compaq Logo
6.17 Power Supply Assembly
6.17.1 Power Supply Switch Assembly
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6.17.2 Power Supply
6.18 LED Cable
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6.19 Mass Storage Devices
6.19.1 3.5-Inch Drive Bays
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6.19.2 5.25-Inch Drive Bays
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6.19.3 Installing a New Drive
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Compaq Deskpro 2000 Series of Personal Computers 7-3
Table 7-1 Pentium System Board Connectors, Jumpers, and Switches
Device Description
7-4 Jumper and Switch Information
Figure 7-2. Pentium II System Board Switch, Connector, and Jumper Locations
Table 7-2 Pentium II System Board Connectors, Jumpers, and Switches
Device Description
7.1.2 Switch Settings
Figure 7-3. SW1 Module Location, Pentium System Board
Table 7-3 Pentium System Board SW1 Settings
Table 7-4 Pentium II System Board Processor Speed Switch Settings
7.2 System Board Jumpers
7.2.2 Clearing Configuration
7.2.3 Changing the Real-Time Clock (RTC) Battery
7.3 Hard Drives
7.3.1 2.1-GB EIDE Hard Drive Jumper Settings
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7.3.2 3.2-GB EIDE Hard Drive Jumper Settings
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7-14 Jumper and Switch Information
7.3.3 Optional Ultra SCSI Hard Drive Jumper Settings
Figure 7-17. 2.1-GB Ultra SCSI Hard Drive Jumper Settings
Table 7-11
Jumper J2 Jumper J6 Definition Jumper Pins Definition A0 A1 A2
Compaq Deskpro 2000 Series of Personal Computers 7-15
Table 7-12
Jumper J2 Jumper J6 Definition Jumper Definition A0 A1 A2
7.3.4 Optional Ultra ATA Hard Drives Jumper Settings
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7-18 Jumper and Switch Information
7.4 CD-ROM Drive Jumper Settings
Figure 7-22. Jumper Pins for the 16X max EIDE CD-ROM Drives
Figure 7-23. Jumper Pins for the PD-CD Drive
Table 7-16
Definition Jumper Primary MA Secondary SL Cable select CS
7.6 Diskette Drive
Figure 7-24. LS-120 Diskette Drive Jumper Settings
Table 7-17 Jumper Settings (Top Insert)
Setting IA 1DRV 2CSL 2MST
Jumper Settings (Bottom Insert)
S
8.1 System
Table 8-1 Desktop System Specifications
U. S. Metric
8-2 Specifications
Table 8-2 Minitower System Specifications
U. S. Metric
Compaq Deskpro 2000 Series of Personal Computers 8-3
Table 8-3 System Interrupts
Hardware IRQ System Function
Table 8-4 System DMA
Hardware DMA System Function
8-4 Specifications
Table 8-5 System I/O
I/O Address (Hex) System Function (Shipping Configuration)
Compaq Deskpro 2000 Series of Personal Computers 8-5
Table 8-5
I/O Address (Hex) System Function (Shipping Configuration)
8-6 Specifications
Table 8-6 System Memory Map
Size Memory Address System Function
Compaq Deskpro 2000 Series of Personal Computers 8-7
8.2 Drives
Table 8-7 1.44 MB Diskette Drive
8-8 Specifications
Table 8-8
Hard Drives
Table 8-9 Ultra SCSI Hard Drives
2.1 GB 4.3 GB
8-10 Specifications
Table 8-10 CD-ROM Drives
16X Max 24X Max
Compaq Deskpro 2000 Series of Personal Computers 8-11
Table 8-11 PD-CD Drive
Continued
4X 8X
Disc
Laser
Table 8-11
Environmental Conditions
Physical Characteristics
Compaq Deskpro 2000 Series of Personal Computers 8-13
Table 8-12 LS-120 Drive
8-14 Specifications
8.3 Audio System
Table 8-13 Audio System
8.4 Keyboard
Table 8-14 Compaq Enhanced Keyboard
U.S. Metric
8.5 Mouse
Table 8-15 2-Button Mouse
Resolution Maximum Refresh Rate, Hz
U.S. Metric
8.6 Supported Graphics Resolutions
Table 8-17 MPEG1 Graphics Controller
Table 8-18 Matrox MGA-1064SG Embedded Graphics Controller
Table 8-19 Matrox Millennium II PCI Board
Compaq Deskpro 2000 Series of Personal Computers A-1
appendix A
C ONNECTOR PIN A
This appendix contains the pin assignments for all external connectors:
Table A-1 Keyboard
Connector and Icon (Orange) Pin Signal
Table A-2 Mouse
Table A-3 Parallel Interface
Table A-4 Serial Interfaces
Compaq Deskpro 2000 Series of Personal Computers A-3
Table A-5 Monitor
Connector Pin Signal
Table A-6 Ethernet RJ-45
Table A-7 Ethernet BNC
A-4 Connector Pin Assignments
Table A-8 Ultra-Wide SCSI Connector
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A-6 Connector Pin Assignments
Table A-14 IDE/EIDE Drive Cable
Pin Signal Pin Signal
appendix B
POWER CORD SET R
General Requirements
Country-Specific Requirements
Power Cord Set RequirementsBy Country
appendix C
H ARD D
Device 0/Device 1 Relationship
Cable Select
SMART
Automatic Soft-Drive Types
Table C-1 Soft-Drive Type Assignments
Ultra ATA (Pentium II System only)
Table C-2 IDE Cable Transfer Rates
appendix D
SCSI G
Guidelines for Installing Optional SCSI Devices
Termination
Compaq Deskpro 2000 Series of Personal Computers E-1
appendix E
DIAGNOSTIC ERROR CODES
Table E-1 Summary of Test Error Codes
Error Code Range Device Description
Table E-2 Microprocessor Test Error Codes
Compaq Deskpro 2000 Series of Personal Computers E-3
Table E-3 Memory Test Error Codes
Table E-4 Keyboard Test Error Codes
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Compaq Deskpro 2000 Series of Personal Computers E-5
Table E-9 Hard Drive Test Error Codes
Error Code Description Recommended Action
Table E-10 Tape Drive Test Error Codes
Error Code Description Recommended Action
E-6 Diagnostic Error Codes
Table E-11 Video Test Error Codes
Table E-12 Audio Test Error Codes
Table E-13 Network Interface Test Error Codes
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SCSI Error Codes
Table E-16 SCSI Device Names
Table E-17 SCSI Test Names
E-10 Diagnostic Error Codes
Table E-18 SCSI Test Error Codes
Compaq Deskpro 2000 Series of Personal Computers E-11
Table E-18
Compaq Deskpro 2000 Series of Personal Computers F-1
appendix F
POST E RROR M
Table F-1 Power-On Self-Test Messages
F-2 POST Error Messages
Table F-1
Compaq Deskpro 2000 Series of Personal Computers F-3
appendix G
TROUBLESHOOTING WITHOUT D
Checklist for Solving Minor Problems
G-2 Troubleshooting Without Diagnostics
Power Problems
This section identifies some quick checks for powerrelated problems.
Table G-1 Solutions for Power Problems
Thermal Problems
This section identifies a thermal problem that could be related to the processor overheating.
Diskette Drive Problems
This section identifies some quick checks for diskette drive problems.
Table G-3 Solutions for Diskette Drive Problems
G-4 Troubleshooting Without Diagnostics
Display Problems
CONFIG.SYS
.
CONFIG.SYS
This section identifies some quick checks for displayrelated problems.
Printer Problems
This section identifies some quick checks for printerrelated problems.
Table G-5 Solutions for Printer Problems
Hard Drive Problems
Table G-6 Solutions for Hard Drive Problems
Compaq Deskpro 2000 Series of Personal Computers G-7
Hardware Installation Problems
This section identifies some quick checks for hardware problems.
Table G-7 Solutions for Hardware Installation Problems
Problem Possible Solutions
G-8 Troubleshooting Without Diagnostics
CD-ROM Drive Problems
This section identifies some quick checks for CD-ROM driverelated problems.
Table G-8 CD-ROM Drive Problems
Compaq Deskpro 2000 Series of Personal Computers G-9
Memory Problems
This section identifies some quick checks for memoryrelated problems.
Table G-9 Memory Problems
SCSI Problems
Some common causes and solutions for SCSI device problems are listed in the following table.
Network Problems
Table G-11 Network Problems
Compaq Deskpro 2000 Series of Personal Computers G-11
Table G-11
Resolving Audio Hardware Conflicts
Table G-12 Audio Interface Settings
appendix H
INTEL 440LX CHIPSET MEMORY L
Table H-1 SDRAM Memory Technologies
Table H-2 Supported Memory Configurations
Index
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Page
Q
R
S
T
U
V
W
Compaq Deskpro 2000 Series of Personal Computers A-1