Technical Reference Guide
Intel Pentium 4 Processor and the 845 Chipset
Page
TRG
Page
Featuring the Intel Pentium 4 Processor
Second Edition -- January
Table of Contents
System Support
Power Supply and Distribution
Appendix B Ascii Character SET
Appendix D COMPAQ/NVIDIA Vanta LT AGP Graphics Card
Technical Reference Guide
List of Figures
Power Distribution and CONTROL, Block Diagram
List of Tables
Technical Reference Guide
Table H-2
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Online Viewing
About this Guide
Hardcopy
Serial Number
Additional Information Sources
Model Numbering Convention
XXX/XNN/NN/N/NNNx
Ranges
Notational Conventions
Values
Register Notation and Usage
Acronyms and Abbreviations
Common Acronyms and Abbreviations
Acronym/Abbreviation Description
DDC
DAC
DCH
DDR
IRQ
INT
IPL
ISA
PIO
PFC
PIN
Post
TCP
TAD
Tafi
TFT
System Overview
Introduction
Feature Difference Matrix by Form Factor
Features and Options
Standard Features
Configurable
Options
Mechanical Design
Front Views
Cabinet Layouts
Evo or Workstation Small Form Factor
Rear Views
Compaq Evos and Workstation, Rear Views
Back
Chassis Layouts
Front
Desktop Chassis Layout, Top View
AGP Slot PCI Slot Drive Lock
Board Layouts
Small Form Factor Board Layouts
Desktop or Configurable Minitower Main Board Layouts
System Architecture
Desktop Configurable Minitower
SDR SDR/DDR
ICH2 USB LPC
RGB AGP
AGP Sdram
FWH
10.Processor Assembly And Mounting
Intel Pentium 4 Processor
Chipset Functions
Chipset
Support Components
Support Component Functions
Serial and Parallel Interfaces
System Memory
Mass Storage
Universal Serial BUS Interface
Standard AGP Graphics Comparison
Graphics Subsystem
NVIDIA Matrox
Electrical Specifications
Specifications
Environmental Specifications Factory Configuration
Audio Subsystem
Small Configurable Parameter
Physical Specifications
Diskette Drive Specifications
Compaq SP#
Parameter 48x CD-ROM 16/10/40x CD-RW Drive
Optical Drive Specifications
Hard Drive Specifications
CD-R, CD-RW
AGP MCH
FSB I/F
XMM1 XMM2 XMM3 Dimm
Pentium 4 Processor
Processor Overview
CPU FPU
FSB
Processor Upgrading
Memory Subsystem
Byte Description
SPD Address Map Sdram Dimm
Dimm ID
Shows the system memory map
Host/PCI Bridge Configuration Registers GMCH, Device
Subsystem Configuration
PCI Config Reset Addr Register Value
System Support
PCI BUS Overview
Eide USB
PCI Bus Devices and Functions
PCI BUS Transactions
Configuration Cycles
1.1 I/O and Memory Cycles
PCI Component
PCI Component Configuration Access
Idsel
Device #
Bist
PCI Configuration Space Type
System Board PCI Device Identification
PCI Device Vendor ID Device ID
PCI Bus Mastering Devices
PCI BUS Master Arbitration
REQ/GNT Line Device
PCI Interrupts
PCI Power Management Support
Option ROM Mapping
PCI SUB-BUSSES
Config Register Reset
PCI Configuration
LPC Bridge Configuration Registers ICH2, Function 0, Device
Addr Value Register
PCI Bus Connector Pinout
PCI Connector
Pin Signal
AGP BUS Overview
BUS Transactions
Data Transfers
Data Request
CLK D1A D1B D2A D2B GNT Trdy
CLK D1A D1B D2A D2B D3A D3B D4A D4B
GNT Trdy
AGP Configuration
Config Reset Addr Register Value
Ovrcnt GND VDD3
AGP Connector
AGP Bus Connector Pinout
VDD
Interrupts
System Resources
Maskable Interrupts
Mode
Apic Mode
Priority Signal Label Source Typical
Maskable Interrupt Priorities and Assignments
Maskable Interrupt Control Registers
Non-Maskable Interrupts
NMI- Generation
Port Register
SMI- Generation
IOCHK- NMI
Default DMA Channel Assignments
Direct Memory Access
DMA Channel Device ID
DMA Page Register Addresses
DMA Page Registers
DMA Channel Register I/O Port
DMA Controller Registers
DMA Controller Registers
Register Controller
Clock Generation and Distribution
System Clock Distribution
Frequncy Source Destination
REAL-TIME Clock and Configuration Memory
Clearing Cmos
Standard Cmos Locations
Cmos Archive and Restore
Configuration Memory Cmos Map
Location Function
System Management
Power-On Password
Setup Password
Security Functions
1.4 I/O Interface Security
Cable Lock Provision
Chassis Security
System Status
Power Management
System Boot/ROM Flash Status LED Indications
Acpi Wake-Up Event System Wakes From
Thermal Sensing and Cooling
Power Hard Drive System Status
System Operational Status LED Indications
11.Small Form Factor Fan Control Block Diagram
System I/O Map
Register MAP and Miscellaneous Functions
System I/O MAP
Port Function
2 LPC47B367 I/O Controller Functions
Index Function Reset Value
LPC47B367 I/O Controller Control Registers
System Status Power LED
HD LED
Enhanced IDE Interface
IDE Programming
IDE Bus Master Control Registers
IDE Configuration Registers
Eide PCI Configuration Registers 82801, Device 31/Function
IDE Bus Master Control Registers
Pin Primary IDE Connector Pinout
IDE Connector
Pin Signal Description
Diskette Drive Interface
Index Reset
Diskette Drive Interface Configuration
Diskette Drive Interface Configuration Registers
Diskette Drive Programming
Diskette Drive Interface Control Registers
Pri
Diskette Drive Connector
Pin Diskette Drive Connector Pinout
DB-9 Serial Connector Pinout
Serial Connector
Serial Interface
Serial Interface Programming
Serial Interface Configuration
Serial Interface Configuration Registers
Function
Serial Interface Control Registers
Serial Interface Control
Addr Register
Standard Parallel Port Mode
Parallel Interface
Enhanced Parallel Port Mode
Extended Capabilities Port Mode
Parallel Interface Configuration Registers
Parallel Interface Configuration
Parallel Interface Programming
Parallel Interface Control Registers
Parallel Interface Control
Address Register
DB-25 Parallel Connector Pinout
Parallel Interface Connector
Pin Signal Function
KEYBOARD/POINTING Device Interface
Keyboard Interface Operation
To-Keyboard Commands
Command
Pointing Device Interface Operation
3.1 8042 Configuration
Keyboard Interface Configuration Registers
KEYBOARD/POINTING Device Interface Programming
3.2 8042 Control
Port 60h
CPU Commands To
Value Command Description
Keyboard/Pointing Device Connector Pinout
KEYBOARD/POINTING Device Interface Connector
Data
USB I/F, Block Diagram
USB Data Formats
CRC
USB Programming
USB Configuration
USB Interface Configuration Registers
USB Control
USB Cable Data
USB Connector
USB Connector Pinout
USB Cable Length Data
Functional Analysis
TDA
Front Panel Assembly
CD ROM
Sync
2 AC97 Audio Controller
3 AC97 Link BUS
SD OUT
Audio Codec
PB Data R
Audio Control
Audio Configuration
Audio Programming
AC’97 Audio Codec Control Registers
AC97 Audio Subsystem Specifications
Audio Specifications
Paramemter
TX/RX LAN PHY I/F
TX/RX
AOL Events
Wake on LAN Support
Alert on LAN Support
Event Description
APM Environment
Power Management Support
Acpi Environment
Control
Configuration
NIC Programming
NIC Control Registers
NIC Specifications
NIC Connector
NIC Specifications
MS-DOS
Asic PCI
NIC UPGRADING/CHANGING
AOL/SOS
SOS PCI
Remote System Alert Events
Power Supply ASSEMBLY/CONTROL
AUX
Watt Power Supply Assembly Specifications PN
Power Supply Assembly
Range Min. Current Max Surge
Power Button
Power Control
System State Pressed Power Button Results
Power LED Condition
Power LED Indications
Wake Up Events
System Power States
Power Transition OS Restart State System Condition
Conn Pin
Power Distribution
1 3.3/5/12 VDC Distribution
RTN
Desktop and Configurable Minitower Power Cable Diagram
VID4
LOW Voltage PRODUCTION/DISTRIBUTION
VID0 VID1 VID2
AGP PWR DDR
System Board
Signal Distribution
IDE I/F CD-ROM
Desktop/Minitower Signal Distribution Diagram
System
CD ROM Audio Header P7
Power Button/LED Header P5
AOL/SOS Header P12
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Bios ROM
Upgrading
Boot Block Codes
ROM Flashing
Num Lock Cap Lock Scroll Lock
Changeable Splash Screen
\Flashi.exe ImageFilename BackgroundColor ForegroundColor
Boot Device Order
Boot Functions
Network Boot F12 Support
Boot Error Codes
Memory Detection and Configuration
Boot Error Codes
Visual Audible Meaning
Setup Utility Functions
Setup Utility
Heading Option Description
Translation Parameters IDE Disks only
Translation Mode IDE disks only
Removable Media Boot
Multisector Transfers IDE ATA devices only
Heading Option Description
CTRL+ALT+DEL
Setup Utility Functions
Setup Utility Functions
Setup Utility Functions
Client Management Functions
Function Mode
Client Management Functions INT15
EBX
Input EAX
Output
ECX
Edid Retrieve
System ID and ROM Type
System System ID ROM Family PnP ID
PnP Bios Functions
Temperature Status
Drive Fault Prediction
PNP Support
Smbios
IDE Hard Drive Timer
Power Management Functions
System Timer
Independent PM Support
IDE Hard Drive Standby
Going to Sleep in Independent PM
System Standby
Suspend
Acpi Support
APM 1.2 Support
APM Bios Functions
APM Bios Function Description
Staying Awake in APM
System/Hard Drive Standby
Going to Sleep in APM
System Suspend
Waking Up in APM
USB Legacy Support
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Beep/Keyboard LED Codes
BEEP/KEYBOARD LED Codes
Table A-1
Beeps LED Probable Cause
Error Message Probable Cause
POWER-ON Self Test Post Messages
Power-On Self Test Post Messages
Table A-2
Table A-3
System Error Messages
System Error Messages
Message Probable Cause
Table A-4
Memory Error Messages
Keyboard Error Messages
Table A-5
Table A-6
Printer Error Messages
Video Graphics Error Messages
Table A-7
Table A-8
Diskette Drive Error Messages
Serial Interface Error Messages
Table A-9
Modem Communications Error Messages
Table A-10
Table A-11
System Status Error Messages
Hard Drive Error Messages
Table A-12
Table A-13
Table A-14
17 DVD/CD-ROM Error Messages
Audio Error Messages
Network Interface Error Messages
Table A-18
Scsi Interface Error Messages 65xx-xx, 66xx-xx
Pointing Device Interface Error Messages
Table A-19
12Compaq Personal Computers
Ascii Character Set
Symbol Dec Hex
Table B-1
Dec Hex
Dec Hex Symbol
Table B-1.ASCII Code Set
Keyboard
Keystroke Processing
1 PS/2-TYPE Keyboard Transmissions
Parameter Minimum Nominal Maximum
USB-TYPE Keyboard Transmissions
Keyboard Layouts
Standard Enhanced Keyboards
Windows Enhanced Keyboards
Figure C-6.National Windows 102W-Key Keyboard Key Positions
Easy Access Keyboards
Figure C-8.8-Button Easy Access Keyboard Layout
Keys
Special Single-Keystroke Functions
Multi-Keystroke Functions
Windows Keystrokes
Easy Access Keystrokes
Button # Description Default Function
Command
Keyboard Commands
Keyboard-to-System Commands
Scan Codes
Key Make / Break Codes Hex Pos
Table C-2
Keyboard Scan Codes
Mode
Table C-2. Keyboard Scan Codes
Key
7E/FE
Table C-2. Keyboard Scan Codes
Connectors
Pin
COMPAQ/NVIDIA Vanta LT AGP Graphics Card
Sdram Nvidia
Functional Description
Display Modes
Resolution Bits per pixel Color Depth
Nvidia Vanta LT Display Modes
Monitor Power Management Conditions
Power Management and Consumption
Software Support Information
SDA
Monitor Connector
DB-15 Monitor Connector Pinout
SCL
6Compaq Personal Computers
COMPAQ/NVIDIA QUADRO2 EX/MXR AGP Graphics Cards
Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards
Table E-1
Resolution Bits per pixel Color Depth
Nvidia Quadro2 EX/MXR Graphics Display Modes
Monitor Power Management Conditions
Table E-2
Pin Signal Description
DB-15 Monitor Connector Pinout
Table E-3
6Compaq Personal Computers
Appendix F COMPAQ/Matrox Millennium G450
Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card
Table F-1
Matrox Millennium G450 Graphics Display Modes
Table F-2
Table F-3
Video In Connector Pinout
Video Feature Connector
Table F-4
COMPAQ/ADAPTEC 29160N Scsi Host Adapter
Appendix G Compaq/Adaptec 29160N Scsi Host Adapter
Table G-1
Scsi Adapter Programming Scsi Adapter Configuration
Scsi Adapter Control
Table G-2
External Ultra Scsi Connector Pinout
Scsi Connectors
External 50-PIN Ultra Scsi Connector
Pin Signal Function
Internal 50-Pin Ultra Scsi Connector Pinout
Internal 50-PIN Ultra Scsi Connector
Table G-4
Ultra160 Scsi Connector Pinout
Internal 68-PIN ULTRA160 Scsi Connector
Table G-5
PCI Graphics Card
DVI RGB
Card Edge Connector
Table H-1
Matrox G200 MMS Graphics Controller Display Modes
Display Configuration SINGLE-CARD Configuration
MULTI-CARD Configuration with Windows NT
Table H-2
Table H-3
Adapter Cable Connector
Adapter Cable Connector Pinout
Pin Description
Analog Monitor Connector
Table H-4
Digital Monitor Connector
DVI-D Connector Pinout
10Compaq Personal Computers
Index
Dimm support
ROM Bios
Environmental
Specifications
Electrical
Physical
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