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Chapter 6 Power and Signal Distribution
Compaq Evo and Workstation Personal Computers
Featuring the Intel Pentium 4 Processor
Second Edition- January 2003
6-12
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Contents
Main
Technical Reference Guide
For
Covers Small Form Factor, Desktop, and Configurable Minitower Models
Compaq Evo D300/D500 Personal Computers and W4000 Workstations
Featuring the
Page
Evo D300/D500 Personal Computers and W4000 Workstations
Page
NOTICE
Page
TABLE OF CONTENTS
Page
Page
Page
Page
Page
Technical Reference Guide
LIST OF FIGURES
ix
x
Technical Reference Guide
LIST OF TABLES
xi
xii
Page
Page
Chapter 1 INTRODUCTION
1. Chapter 1 INTRODUCTION 1.1 ABOUT THIS GUIDE
1.1.1 ONLINE VIEWING
1.1.2 HARDCOPY
1.2 ADDITIONAL INFORMATION SOURCES
1.3 MODEL NUMBERING CONVENTION
1.4 SERIAL NUMBER
1.5 NOTATIONAL CONVENTIONS
1.5.1 VALUES
1.5.2 RANGES
1.5.3 REGISTER NOTATION AND USAGE
1.5.4 BIT NOTATION AND BYTE VALUES
1.6 COMMON ACRONYMS AND ABBREVIATIONS
Technical Reference Guide Table 1-1. Acronyms and Abbreviations Continued
Continued
1-5
Chapter 1 Introduction Table 1-1. Acronyms and Abbreviations Continued
Continued
1-6
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
Technical Reference Guide Table 1-1. Acronyms and Abbreviations Continued
Continued
1-7
Page
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
2.3.1.2 Rear Views
2.3.2 CHASSIS LAYOUTS
Page
Page
2.3.3 BOARD LAYOUTS
Page
2.4 SYSTEM ARCHITECTURE
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2.4.1 INTEL 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 AND PARALLEL INTERFACES
2.4.7 UNIVERSAL SERIAL BUS INTERFACE
2.4.9 GRAPHICS SUBSYSTEM
2.4.10 AUDIO SUBSYSTEM
2.5 SPECIFICATIONS
Page
Chapter 2 System Overview
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
2-20
Table 2-9. Optical Drive Specifications Table 2-9. Optical Drive Specifications
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
Page
3.2.2 PROCESSOR UPGRADING
!
3.3 MEMORY SUBSYSTEM
3-6
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
Page
3.4 SUBSYSTEM CONFIGURATION
Chapter 4 SYSTEM SUPPORT
4. Chapter 4 SYSTEM SUPPORT 4.1 INTRODUCTION
4.2 PCI BUS OVERVIEW
Page
PCI BUS TRANSACTIONS
4.2.1
4.2.1.1 I/O and Memory Cycles
4.2.1.2 Configuration Cycles
Page
Page
RATION
4.2.2 PCI BUS MASTER ARBIT
4.2.3 OPTION ROM MAPPING
4.2.4 PCI INTERRUPTS
4.2.5 PCI POWER MANAGEMENT SUPPORT
4.2.6 P B
4.2.6.1 Hub Link Bus
4.2.7 PCI CONFIGURATION
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
A 4X Tra
GP nsfers
4.3.2 AGP CONFIGURATION
.3.3 AGP CONNECTOR
4
4.4
4.4.1 I U
4.4.1.1 askab erru
SYSTEM RESOURCES
NTERR PTS
8259 Mode
APIC Mode
4.4.1.2
MI- Generation
Non-Maskable Interrupts
N
SMI- Generation
4.4.2 IRECT MEMORY ACCESS
D
4.4.2.1
DMA Page Registers
4.4.2.2 trolle gi
DMA Con r Re sters
4.5 SYSTEM CLOCK DISTRIBUTION
4.6 REAL-TIME CLOCK AND CONFIGURATION MEMORY
4.6.1 ARI
CLE NG CMOS
4.6.2 CMOS ARCHIVE AND RESTORE
STANDARD CMOS LOCATIONS
4.6.3
4.7
4.7.1
4.7.1.1 Power-On Password
4.7.1.2 Setup Password
SYSTEM MANAGEMENT
4.7.1.3 Cable Lock Provision
4.7.1.4 I/O Interface Security
.7.1.5 Chassis Security
Cover Lock
4.7.2 POWER MANAGEMENT
4.7.3
SYSTEM STATUS
RM EN AND COOLING
4.7.4 HE
T AL S SING
Page
4.8 REGISTER MAP AND MISCELLANEOUS FUNCTIONS 4.8.1
SYSTEM I/O MAP
4.8.2
LPC47B367 I/O CONTROLLER FUNCTIONS
Page
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
NOTE: The most recently written data rate value to either DRSR or CCR will be in effect.
5.3.2 DISKETTE DRIVE CONNECTOR
5.4 SERIAL INTERFACE
5.4.1 SERIAL CONNECTOR
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
Page
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
Page
5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR
5.7 UNIVERSAL SERIAL BUS INTERFACE
5.7.1 USB DATA FORMATS
Page
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
Page
5.8.2 AC97 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 INTERFACE CONTROLLER
5.9.1 WAKE ON LAN SUPPORT
5.9.2 ALERT ON LAN SUPPORT
5.9.3 POWER MANAGEMENT SUPPORT
5.9.3.1 APM Environment
5.9.3.2 ACPI Environment
5.9.4 NIC PROGRAMMING
5.9.4.1 Configuration
5.9.4.2 Control
5.9.5 NIC CONNECTOR
5.9.6 NIC SPECIFICATIONS
5.9.7 NIC UPGRADING/CHANGING
Page
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 Power LED Indications
6.2.2.3 Wake Up Events
6.2.3 POWER MANAGEMENT
6.3 POWER DISTRIBUTION
6.3.1 3.3/5/12 VDC DISTRIBUTION
Page
6.3.2 LOW VOLTAGE PRODUCTION/DISTRIBUTION
6.4 SIGNAL DISTRIBUTION
Page
Page
Page
Chapter 7 BIOS ROM
7. Chapter 8 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
Technical Reference Guide Table 7-3. Setup Utility Functions Continued
7-7
Chapter 7 BIOS ROM Table 7-3. Setup Utility Functions Continued
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
7-8
Technical Reference Guide
Table 7-3. Setup Utility Functions Continued
7-9
Chapter 7 BIOS ROM
Table 7-3. Setup Utility Functions Continued
7-10
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
Technical Reference Guide
Table 7-3. Setup Utility Functions Continued
7-11
7.5 CLIENT MANAGEMENT FUNCTIONS
Page
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
7.7.1.2 Going to Sleep in Independent PM
System Standby
IDE Hard Drive Standby
7.7.1.3 Suspend
7.7.1.4 System OFF
7.7.2 ACPI SUPPORT
7.7.3 APM 1.2 SUPPORT
Chapter 7 BIOS ROM Table 7-6. APM BIOS Functions Table 7-6. APM BIOS Functions
Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor
7-20
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
Page
Appendix A ERROR MESSAGES AND CODES
A. Appendix A ERROR MESSAGES AND CODES A.1 INTRODUCTION
A.2 BEEP/KEYBOARD LED CODES
A.3 POWER-ON SELF TEST (POST) MESSAGES
A.4 SYSTEM ERROR MESSAGES (1xx-xx)
A.5 MEMORY ERROR MESSAGES (2xx-xx)
A.6 KEYBOARD ERROR MESSAGES (30x-xx)
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.11 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx)
A.12 SYSTEM STATUS ERROR MESSAGES (16xx-xx)
A.13 HARD DRIVE ERROR MESSAGES (17xx-xx)
A.14 HARD DRIVE ERROR MESSAGES (19xx-xx)
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)
Page
Appendix B ASCII CHARACTER SET
B. B.1 INTRODUCTION
Appendix B ASCII Character Set Table B-1. ASCII Code Set (Continued)
Compaq Personal Computers
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.2.3 KEYBOARD LAYOUTS
C.2.3.1 Standard Enhanced Keyboards
C.2.3.2 Windows Enhanced Keyboards
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
Appendix C Keyboard Table C2. Keyboard Scan Codes Table C-2. Keyboard Scan Codes
Continued
C-12
Compaq Personal Computers
Technical Reference Guide Table C-2. Keyboard Scan Codes (Continued)
Continued
C-13
Appendix C Keyboard Table C-2. Keyboard Scan Codes (Continued)
C-14
Compaq Personal Computers
Technical Reference Guide
Table C-2. Keyboard Scan Codes (Continued)
C-15
C.3 CONNECTORS
Appendix D COMPAQ/NVIDIA VANTA LT AGP GRAPHICS CARD
D. Appendix D Compaq/NVIDIA Vanta LT 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
Page
Appendix E COMPAQ/NVIDIA QUADRO2 EX/MXR AGP GRAPHICS CARDS
E. Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics
Cards
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
Page
Appendix F COMPAQ/Matrox Millennium G450 AGP GRAPHICS CARD
F. Appendix F Compaq/Matrox Millennium G450 AGP Graphics
Card
F.1 INTRODUCTION
F.2 FUNCTIONAL DESCRIPTION
F.3 DISPLAY MODES
F.4 SOFTWARE SUPPORT INFORMATION
F.5 POWER MANAGEMENT AND CONSUMPTION
F.6 CONNECTORS
F.6.1 MONITOR CONNECTOR
F.6.2 VIDEO FEATURE CONNECTOR
Appendix G COMPAQ/ADAPTEC 29160N SCSI HOST ADAPTER
G. Appendix G Compaq/Adaptec SCSI Host Adapter G.1 INTRODUCTION
G.2 FUNCTIONAL DESCRIPTION
G.3 SCSI ADAPTER PROGRAMMING
G.3.1 SCSI ADAPTER CONFIGURATION
G.3.2 SCSI ADAPTER CONTROL
G.4 SPECIFICATIONS
G.5 SCSI CONNECTORS
G.5.1 EXTERNAL 50-PIN ULTRA SCSI CONNECTOR
G.5.2 INTERNAL 50-PIN ULTRA SCSI CONNECTOR
G.5.3 INTERNAL 68-PIN ULTRA160 SCSI CONNECTOR
Appendix H COMPAQ/Matrox G200 MMS Quad-Head PCI GRAPHICS CARD
H. Appendix H Compaq/Matrox G200 MMS Quad-Head PCI
Graphics Card
H.1 INTRODUCTION
H.2 FUNCTIONAL DESCRIPTION
Page
H.3 DISPLAY MODES
H.4 DISPLAY CONFIGURATION
H.4.1 SINGLE-CARD CONFIGURATION
H.4.2 MULTI-CARD CONFIGURATION WITH WINDOWS NT 4.0
H.5 SOFTWARE SUPPORT INFORMATION
H.6 POWER MANAGEMENT AND CONSUMPTION
H.7 CONNECTORS
H.7.1 ADAPTER CABLE CONNECTOR
H.7.2 ANALOG MONITOR CONNECTOR
H.7.3 DIGITAL MONITOR CONNECTOR
Page
INDEX
I.