Main
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NOTICE
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TABLE OF CONTENTS
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Technical Reference Guide
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LIST OF FIGURES
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xiii
LIST OF TABLES
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Chapter 1 INTRODUCTION
1. Chapter 1 INTRODUCTION 1.1 ABOUT THIS GUIDE
1.1.1 USING THIS GUIDE
1.1.2 ADDITIONAL INFORMATION SOURCES
1.2 MODEL NUMBERING CONVENTION
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1-3
1.4 COMMON ACRONYMS AND ABBREVIATIONS
Continued
Chapter 1 Introduction
Continued
1-4
Continued
1-5
Chapter 1 Introduction
1-6
Chapter 2 SYSTEM OVERVIEW
2. Chapter 2 SYSTEM OVERVIEW 2.1 INTRODUCTION
2.2 FEATURES AND OPTIONS
2.2.1 STANDARD FEATURES
2.2.2 OPTIONS
2.3 MECHANICAL DESIGN
2.3.1 CABINET LAYOUTS 2.3.1.1 Front Views
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2-5
2.3.1.2 Rear View
Figure 2-3 shows the rear cabinet layout of the controls and connectors.
Figure 23. Rear Cabinet View
2.3.2 CHASSIS LAYOUT
2-7
2.3.3 BOARD LAYOUT
Figure 25. System Board Layout
2.4 SYSTEM ARCHITECTURE
2-9
Figure 26. System Architecture, Block diagram
2.4.1 PENTIUM 4 PROCESSOR
2.4.2 CHIPSET
2.4.3 SUPPORT COMPONENTS
2.4.4 SYSTEM MEMORY
2.4.5 MASS STORAGE
2.4.6 SERIAL, PARALLEL INTERFACES
2.4.7 UNIVERSAL SERIAL BUS INTERFACE
2-13
2.4.8 GRAPHICS SUBSYSTEM
2.4.9 AUDIO SUBSYSTEM
2.5 SPECIFICATIONS
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Chapter 2 System Overview
2-16
Table 2-10. Hard Drive Specifications Table 2-10. Hard Drive Specifications
Chapter 3 PROCESSOR/ MEMORY SUBSYSTEM
3. Chapter 3 PROCESSOR/MEMORY SUBSYSTEM 3.1 INTRODUCTION
3.2 PENTIUM 4 PROCESSOR
3.2.1 PROCESSOR OVERVIEW
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3.2.2 PROCESSOR UPGRADING
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3.3 MEMORY SUBSYSTEM
3.3.1 RAMBUS ATTRIBUTES
3.3.2 RAMBUS CHANNEL TRANSACTIONS
3.3.3 RDRAM POWER MANAGEMENT
3.3.4 RDRAM CONFIGURATION/CONTROL
3-9
Figure 36. System Memory Map
3.4 SUBSYSTEM CONFIGURATION
Chapter 4 SYSTEM SUPPORT
4. Chapter 4 SYSTEM SUPPORT 4.1 INTRODUCTION
4.2 PCI BUS OVERVIEW
4.2.1 PCI BUS TRANSACTIONS
4.2.1.1 I/O and Memory Cycles
4.2.1.2 Configuration Cycles
Chapter 4 System Support
4-4
Featuring the Intel Pentium 4 Processor
4-5
PCI Configuration Space Type 0
PCI Configuration Space Type 1
4.2.2 PCI BUS MASTER ARBITRATION
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4.2.7 PCI CONFIGURATION
4-9
4.2.8 PCI CONNECTOR
4.3 AGP BUS OVERVIEW
4.3.1 BUS TRANSACTIONS
4.3.1.1 Data Request
4.3.1.2 Data Transfers
AGP 1X Transfers
AGP 2X Transfers
AGP 4X Transfers
4.3.2 AGP CONFIGURATION
4.3.3 AGP CONNECTOR
4.4 SYSTEM RESOURCES
4.4.1 INTERRUPTS
4.4.1.1 Maskable Interrupts
8259 Mode
APIC Mode
4.4.1.2 Non-Maskable Interrupts
NMI- Generation
SMI- Generation
4.4.2 DIRECT MEMORY ACCESS
4.5 SYSTEM CLOCK DISTRIBUTION
4.6 REAL-TIME CLOCK AND CONFIGURATION MEMORY
4.6.1 CLEARING CMOS
4.6.2 CMOS ARCHIVE AND RESTORE
4.6.3 STANDARD CMOS LOCATIONS
4-23
RTC Control Register A, Byte 0Ah
RTC Control Register B, Byte 0Bh
RTC Status Register C, Byte 0Ch
RTC Status Register D, Byte 0Dh
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4-27
Configuration Byte 26h, Auxiliary Peripheral Configuration
Configuration Byte 27h, Speed Control/External Drive
Configuration Byte 28h, Expanded and Base Memory, IRQ12 Select
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4.7 SYSTEM MANAGEMENT
4.7.1 SECURITY FUNCTIONS
4.7.1.1 Power-On Password
4.7.1.2 Setup Passw ord
4.7.1.3 Cable Lock Provision
4.7.1.4 I/O Interface Security
4.7.2 POWER MANAGEMENT
4.7.3 SYSTEM STATUS
4.7.4 TEMPERATURE SENSING AND COOLING
4.8 REGISTER MAP AND MISCELLANEOUS FUNCTIONS
4.8.1 SYSTEM I/O MAP
4.8.2 82801 ICH GENERAL PURPOSE FUNCTIONS
4.8.3 I/O CONTROLLER FUNCTIONS
4.8.3.1 LPC47B357 GPIO Utilization
4.8.3.2 LPC47B357 I/O Controller Miscellaneous Functions
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Chapter 5 INPUT/OUTPUT INTERFACES
5. Chapter 5 INPUT/OUTPUT INTERFACES 5.1 INTRODUCTION
5.2 ENHANCED IDE INTERFACE
5.2.1 IDE PROGRAMMING
5.2.1.1 IDE Configuration Registers
5.2.1.2 IDE Bus Master Control Registers
5.2.2 IDE CONNECTOR
5.3 DISKETTE DRIVE INTERFACE
5.3.1 DISKETTE DRIVE PROGRAMMING
5.3.1.1 Diskette Drive Interface Configuration
5.3.1.2 Diskette Drive Interface Control
Chapter 5 Input/Output Interfaces
Table 5-5. Diskette Drive Interface Control Registers
5-7
5.3.2 DISKETTE DRIVE CONNECTOR
5.4 SERIAL INTERFACE
5.4.1 RS-232 INTERFACE
5.4.2 SERIAL INTERFACE PROGRAMMING
5.4.2.1 Serial Interface Configuration
5.4.2.2 Serial Interface Control
5.5 PARALLEL INTERFACE
5.5.1 STANDARD PARALLEL PORT MODE
5.5.2 ENHANCED PARALLEL PORT MODE
5.5.3 EXTENDED CAPABILITIES PORT MODE
5.5.4 PARALLEL INTERFACE PROGRAMMING
5.5.4.1 Parallel Interface Configuration
5.5.4.2 Parallel Interface Control
5.5.5 PARALLEL INTERFACE CONNECTOR
5.6 KEYBOARD/POINTING DEVICE INTERFACE
5.6.1 KEYBOARD INTERFACE OPERATION
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5.6.2 POINTING DEVICE INTERFACE OPERATION
5.6.3 KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING
5.6.3.1 8042 Configuration
5.6.3.2 8042 Control
Chapter 5 Input/Output Interfaces
5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR
5.7 UNIVERSAL SERIAL BUS INTERFACE
5.7.1 USB DATA FORMATS
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5.7.2 USB PROGRAMMING
5.7.2.1 USB Configuration
5.7.2.2 USB Control
5.7.3 USB CONNECTOR
5.7.4 USB CABLE DATA
5.8 AUDIO SUBSYSTEM
5.8.1 FUNCTIONAL ANALYSIS
5-27
Figure 5-9. Audio Subsystem Functional Block Diagram
5.8.2 AUDIO CONTROLLER
5.8.3 AC97 LINK BUS
5.8.4 AUDIO CODEC
5.8.5 AUDIO PROGRAMMING
5.8.5.1 Audio Configuration
5.8.5.2 Audio Control
5.8.6 AUDIO SPECIFICATIONS
5.9 NETWORK SUPPORT
5.9.1 PCI VER. 2.2 SUPPORT
5.9.2 ALERT-ON-LAN SUPPORT
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5.9.3 REMOTE SYSTEM ALERT SUPPORT
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Chapter 6 POWER and SIGNAL DISTRIBUTION
6. Chapter 6 POWER SUPPLY AND DISTRIBUTION 6.1 INTRODUCTION
6.2 POWER SUPPLY ASSEMBLY/CONTROL
6.2.1 POWER SUPPLY ASSEMBLY
6.2.2 POWER CONTROL
6.2.2.1 Power Button
6.2.2.2 System Board LED Indications
6.2.2.3 Power LED Indications
6.2.2.4 Wake Up Events
6-5
6.3 POWER DISTRIBUTION 6.3.1 3.3/5/12 VDC DISTRIBUTION
Figure 62. Power Cable Diagram
Chapter 6 Power and Signal Distribution
6-6
6.3.2 LOW VOLTAGE PRODUCTION/DISTRIBUTION
6-7
6.4 SIGNAL DISTRIBUTION
Figures 6-4 shows general signal distribution between the main subassemblies of the system units.
Figure 64. Signal Distribution Diagram, Typical Configuration
System Board
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Chapter 7 BIOS ROM
7. Chapter 7 BIOS ROM 7.1 INTRODUCTION
7.2 ROM FLASHING
7.2.1 UPGRADING
7.2.2 CHANGEABLE SPLASH SCREEN
7.3 BOOT FUNCTIONS
7.3.1 BOOT DEVICE ORDER
7.3.2 NETWORK BOOT (F12) SUPPORT
7.3.3 MEMORY DETECTION AND CONFIGURATION
7.3.4 BOOT ERROR CODES
7.4 SETUP UTILITY
7-7
7-8
7-9
7-10
7-11
7.5 CLIENT MANAGEMENT FUNCTIONS
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7.5.1 SYSTEM ID AND ROM TYPE
7.5.2 EDID RETRIEVE
7.5.3 TEMPERATURE STATUS
7.5.4 DRIVE FAULT PREDICTION
7.6 PNP SUPPORT
7.6.1 SMBIOS
7.7 POWER MANAGEMENT FUNCTIONS
7.7.1 INDEPENDENT PM SUPPORT
7.7.1.1 Staying Awake In Independent PM
System Timer
IDE Hard Drive Timer
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7.7.2 ACPI SUPPORT
7.7.3 APM 1.2 SUPPORT
7-20
Table 7-6. APM BIOS Functions Table 7-6. APM BIOS Functions
7.7.3.1 Staying Awake in APM
System Timer
IDE Hard Drive Timer
7.7.3.2 Going to Sleep in APM
System/Hard Drive Standby
System Suspend
System OFF
7.7.3.3 Waking Up in APM
7.8 USB LEGACY SUPPORT
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Appendix A ERROR MESSAGES AND CODES
A. Appendix A ERROR MESSAGES AND CODES A.1 INTRODUCTION
A.2 BEEP/KEYBOARD LED CODES
Compaq Personal Computers
A-2
A.3 POWER-ON SELF TEST (POST) MESSAGES
Table A2. Power-On Self Test (POST) Messages Table A-2. Power-On Self Test (POST) Messages
A.4 SYSTEM ERROR MESSAGES (1xx-xx)
Compaq Personal Computers
A-4
A.5 MEMORY ERROR MESSAGES (2xx-xx)
Table A4. Memory Error Messages Table A-4. Memory Error Messages
A.6 KEYBOARD ERROR MESSAGES (30x-xx)
Table A5. Keyboard Error Messages Table A-5. Keyboard Error Messages
A.7 PRINTER ERROR MESSAGES (4xx-xx)
A.8 VIDEO (GRAPHICS) ERROR MESSAGES (5xx-xx)
A.9 DISKETTE DRIVE ERROR MESSAGES (6xx-xx)
A.10 SERIAL INTERFACE ERROR MESSAGES (11xx-xx)
A-7
A.11 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx)
Compaq Personal Computers
A-8
A.12 SYSTEM STATUS ERROR MESSAGES (16xx-xx)
Table A11. System Status Error Messages Table A-11. System Status Error Messages
A.13 HARD DRIVE ERROR MESSAGES (17xx-xx)
Table A12. Hard Drive Error Messages Table A-12. Hard Drive Error Messages
A-9
A.14 HARD DRIVE ERROR MESSAGES (19xx-xx)
Table A13. Hard Drive Error Messages Table A-13. Hard Drive Error Messages
A.15 VIDEO (GRAPHICS) ERROR MESSAGES (24xx-xx)
A.16 AUDIO ERROR MESSAGES (3206-xx)
A.17 DVD/CD-ROM ERROR MESSAGES (33xx-xx)
A.18 NETWORK INTERFACE ERROR MESSAGES (60xx-xx)
A.19 SCSI INTERFACE ERROR MESSAGES (65xx-xx, 66xx-xx, 67xx-xx)
A.20 POINTING DEVICE INTERFACE ERROR MESSAGES (8601-xx)
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Appendix B ASCII CHARACTER SET
B. B.1 INTRODUCTION
Appendix B ASCII Character Set
B-2
Appendix C KEYBOARD
C. Appendix C KEYBOARD C.1 INTRODUCTION
C.2 KEYSTROKE PROCESSING
C.2.1 PS/2-TYPE KEYBOARD TRANSMISSIONS
C.2.2 USB-TYPE KEYBOARD TRANSMISSIONS
C-5
C.2.3 KEYBOARD LAYOUTS
C.2.3.1 Standard Enhanced Keyboards
Figure C3. U.S. English (101-Key) Keyboard Key Positions
Figure C4. National (102-Key) Keyboard Key Positions
Compaq Personal Computers
C.2.3.2 Windows Enhanced Keyboards
Figure C5. U.S. English Windows (101W-Key) Keyboard Key Positions
Figure C6. National Windows (102W-Key) Keyboard Key Positions
C.2.3.3 Easy Access Keyboards
C.2.4 KEYS
C.2.4.1 Special Single-Keystroke Functions
C.2.4.2 Multi-Keystroke Functions
C.2.4.3 Windows Keystrokes
C.2.4.4 Easy Access Keystrokes
C.2.5 KEYBOARD COMMANDS
C.2.6 SCAN CODES
Compaq Personal Computers
C-12
Table C2. Keyboard Scan Codes Table C-2. Keyboard Scan Codes
Continued
C-13
Continued
Compaq Personal Computers
C-14
C-15
C.3 CONNECTORS
Appendix D COMPAQ/NVIDIA TNT2 PRO
D. Appendix D Compaq/NVIDIA TNT2 Pro AGP Graphics Card D.1 INTRODUCTION
D.2 FUNCTIONAL DESCRIPTION
D.3 DISPLAY MODES
D.4 SOFTWARE SUPPORT INFORMATION
D.5 POWER MANAGEMENT AND CONSUMPTION
D.6 CONNECTORS
D.6.1 MONITOR CONNECTOR
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Appendix E COMPAQ/NVIDIA GeForce2 GTS
E. Appendix E Compaq/NVIDIA GeForce2 GTS AGP Graphics
E.1 INTRODUCTION
E.2 FUNCTIONAL DESCRIPTION
E.3 DISPLAY MODES
E.4 SOFTWARE SUPPORT INFORMATION
E.5 POWER MANAGEMENT AND CONSUMPTION
E.6 CONNECTORS
E.6.1 MONITOR CONNECTOR
E.6.2 VIDEO FEATURE CONNECTOR
Appendix F COMPAQ/LUCENT V.90 56K PCI MODEM
F. Appendix F Compaq/Lucent V.90 56K PCI Modem F.1 INTRODUCTION
F.2 FUNCTIONAL DESCRIPTION
F.3 OPERATING PARAMETERS
F.3.1 UART TRANSFER RATES
F.3.2 TRANSMISSION MODES
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Appendix G COMPAQ/ELSA Gloria II
G. Appendix G Compaq/ELSA Gloria II Graphics Card G.1 INTRODUCTION
G.2 FUNCTIONAL DESCRIPTION
G.3 DISPLAY MODES
G.4 SOFTWARE SUPPORT INFORMATION
G.5 POWER MANAGEMENT AND CONSUMPTION
G.6 CONNECTORS
G.6.1 MONITOR CONNECTOR
G.6.2 VIDEO FEATURE CONNECTOR
Appendix H COMPAQ/Matrox Millennium G450
H. Appendix G Compaq/Matrox Millennium G450 AGP Graphics
H.1 INTRODUCTION
H.2 FUNCTIONAL DESCRIPTION
H.3 DISPLAY MODES
H.4 SOFTWARE SUPPORT INFORMATION
H.5 POWER MANAGEMENT AND CONSUMPTION
H.6 CONNECTORS
H.6.1 MONITOR CONNECTOR
H.6.2 VIDEO FEATURE CONNECTOR
Appendix I COMPAQ/INTEL NETWORK INTERFACE CONTROLLER ADAPTERS
I. Appendix I Compaq/Intel Network Interface Controller
Adapters
I.1 INTRODUCTION
I.2 FUNCTIONAL DESCRIPTION
I.2.1 AOL FUNCTION
I.2.2 WAKE UP FUNCTIONS
I.2.3 IPSEC FUNCTION
I.3 POWER MANAGEMENT SUPPORT
I.3.1 APM ENVIRONMENT
I.3.2 ACPI ENVIRONMENT
I.4 ADAPTER PROGRAMMING
I.4.1 CONFIGURATION
I.4.2 CONTROL
I.5 NETWORK CONNECTOR
I.6 ADAPTER SPECIFICATIONS
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Appendix J COMPAQ/NVIDIA QUADRO2 MXR
J. Appendix J Compaq/NVIDIA Quadro2 MXR AGP Graphics
J.1 INTRODUCTION
J.2 FUNCTIONAL DESCRIPTION
J.3 DISPLAY MODES
J.4 SOFTWARE SUPPORT INFORMATION
J.5 POWER MANAGEMENT AND CONSUMPTION
J.6 CONNECTORS
J.6.1 MONITOR CONNECTOR
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Appendix K COMPAQ PCI 10/100 ETHERNET ADAPTER
K. Appendix K Compaq PCI 10/100 Ethernet Adapter K.1 INTRODUCTION
K.2 FUNCTIONAL DESCRIPTION
K.2.1 AOL FUNCTION
K.2.2 RSA FUNCTION
K.2.3 WAKE UP FUNCTIONS
K.3 POWER MANAGEMENT SUPPORT
K.3.1 APM ENVIRONMENT
K.3.2 ACPI ENVIRONMENT
K.4 CONNECTORS
K.4.1 NETWORK CONNECTOR
K.4.2 AOL/SOS CONNECTOR
K.4.3 SMBUS CONNECTOR
K.4.4 WOL CONNECTOR
K.5 ADAPTER SPECIFICATIONS
Appendix L COMPAQ/ADAPTEC 29160N SCSI HOST ADAPTER
L. Appendix L Compaq/Adaptec SCSI Host Adapter L.1 INTRODUCTION
L.2 FUNCTIONAL DESCRIPTION
L.3 SCSI ADAPTER PROGRAMMING L.3.1 SCSI ADAPTER CONFIGURATION
L.3.2 SCSI ADAPTER CONTROL
L.4 SPECIFICATIONS
L.5 SCSI CONNECTORS
L.5.1 EXTERNAL 50-PIN ULTRA SCSI CONNECTOR
L.5.2 INTERNAL 50-PIN ULTRA SCSI CONNECTOR
Appendix K Compaq PCI 10/100 Ethernet Adapter
Compaq Personal Computers
L-6
L.5.3 INTERNAL 68-PIN ULTRA160 SCSI CONNECTOR
INDEX
I.