Technical Reference Guide
Intel Pentium 4 Processor Intel 850 Chipset
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 Technical Reference Guide
 First Edition -- December
 Table of Contents
 Parallel Interface Connector
 Power Supply and Distribution
 Appendix B Ascii Character SET
 Appendix D COMPAQ/NVIDIA TNT2 PRO AGP Graphics Card
 Appendix H COMPAQ/MATROX Millennium G450 AGP Graphics Card
 Appendix L COMPAQ/ADAPTEC Scsi Host Adapter
 List of Figures
 Figure C-1. Keystroke Processing ELEMENTS, Block Diagram
 Figure L-3. External Ultra Scsi Connector 50-PIN
 List of Tables
 Technical Reference Guide
 Able H-3
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 Using this Guide
Introduction
About this Guide
Additional Information Sources
 Signal Labels
Notational Conventions
Register Notation and Usage
BIT Notation
 Acronyms and Abbreviations
Common Acronyms and Abbreviations
Acronym/Abbreviation Description
 Dimm
DIN
DIP
DMA
 LAN
LCD
LED
LIF
 Scsi
Sdram
SEC
Secam
 System Overview
Introduction
 Features and Options
Standard Features
Standard Feature Difference Matrix
Deskpro EXS Deskpro Workstation
 Options
 Mechanical Design
Cabinet Layouts
Front Views
Deskpro EXS Deskpro Workstation
 Shows the rear cabinet layout of the controls and connectors
Rear View
 Back
Chassis Layout
Front
 Board Layout
System Board Layout
 System Architecture
 ICH2 LPC
MCH AGP Rdram
FWH
 Pentium 4 Processor
 Chipset
Support Components
Chipset Comparison
Support Component Functions
 System Memory
Mass Storage
SERIAL, Parallel Interfaces
Universal Serial BUS Interface
 Graphics Subsystem
Standard AGP Graphics Card Comparison
Matrox
G450
 Specifications
Environmental Specifications Factory Configuration
Electrical Specifications
Audio Subsystem
 Physical Specifications
Diskette Drive Specifications
Parameter Desktop Configuration Minitower Configuration
Compaq SP#
 48x CD-ROM Drive Specifications SP# 187217-B21
Hard Drive Specifications
Parameter Measurement
Parameter 18.0 GB 20.0 GB 40.0 GB
 Processor Memory Subsystem
FSB I/F
AGP MCH
XMM1 XMM2 Rimm
 Processor Overview
 CPU FPU
FSB
 Processor Upgrading
 Sdram Interface Rdram Interface Dual Channel
Memory Subsystem
Dimm Rdram
 Signal Name
Rambus Signal Attributes Each Channel
Rambus Attributes
 Rambus Channel Transactions
 Rdram Power Management
Rdram CONFIGURATION/CONTROL
State Power Refresh
Exit Rdram Functionality
 Shows the system memory map
 Subsystem Configuration
Host/PCI Bridge Configuration Registers MCH, Device
Reset
Config Register Value Egister
 System Support
 PCI BUS Overview
NIC Eide USB
 PCI BUS Transactions
Configuration Cycles
1.1 I/O and Memory Cycles
 Idsel
PCI Component Configuration Access Data
PCI Component Vendor/Device ID Bus # Device # Function #
 PCI Configuration Space Type
Bist
 PCI Bus Mastering Devices
PCI BUS Master Arbitration
REQ/GNT Line Device
 PCI Power Management Support
Option ROM Mapping
PCI Interrupts
PCI SUB-BUSSES
 PCI Configuration
LPC Bridge Configuration Registers ICH, Function 0, Device
Config Reset
Addr Register Value
 PCI Bus Connector Pinout
PCI Connector
Pin Signal
 AGP BUS Overview
BUS Transactions
 Data Transfers
Data Request
CLK D1A D1B D2A D2B GNT Trdy
 AGP 2X Transfers
GNT Trdy
 AGP Configuration
Config Reset Addr Register Value
 AGP Connector
AGP Bus Connector Pinout
Ovrcnt GND KEY
Trdy Devsel
 Interrupts
System Resources
Maskable Interrupts
 Mode
Apic Mode
Maskable Interrupt Priorities and Assignments
 Non-Maskable Interrupts
NMI- Generation
Maskable Interrupt Control Registers
Port Register
 SMI- Generation
IOCHK- NMI
 DMA Channel Assignments And Register Ports
Direct Memory Access
DMA Channel Function Port
 REAL-TIME Clock and Configuration Memory
System Clock Distribution
Clock Generation and Distribution
Frequncy Source Destination
 Clearing Cmos
 Cmos Archive and Restore
Configuration Memory Cmos Map
Standard Cmos Locations
Location Function
 RTC Control Register A, Byte 0Ah
 Configuration Byte 0Eh, Diagnostic Status
 Configuration Byte 13h, Security Functions
Bit Function Reserved
 Configuration Byte 24h, System Board Identification
 Configuration Byte 27h, Speed Control/External Drive
 Configuration Byte 2Ah, Hard Drive Timeout
 Configuration Byte 2Eh, 2Fh, Checksum
 Configuration Byte 35h, APM Status Flags
 Power-On Password
Setup Password
System Management
Security Functions
 Power Management
Cable Lock Provision
1.4 I/O Interface Security
Acpi Wake-Up Event System Wakes From
 System Boot/ROM Flash Status LED Indications
System Status
System Operational Status LED Indications
NUM Lock CAPs Lock Scroll Lock Event
 Temperature Sensing and Cooling
CMD
 Register MAP and Miscellaneous Functions
System I/O MAP
System I/O Map
Port Function
 2 82801 ICH General Purpose Functions
82801 ICH2 Gpio Register Utilization
Gpio Port # Function Direction
PS LED NIC REQ5 Irqe Irqf Irqg Irqh HD LED
 3 I/O Controller Functions
Index Function Reset Value
Controller Control Registers
 LPC47B357 Gpio Port Utilization
3.1 LPC47B357 Gpio Utilization
Function Direction
 System Status Power LED
3.2 LPC47B357 I/O Controller Miscellaneous Functions
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 Enhanced IDE Interface
INPUT/OUTPUT Interfaces
IDE Programming
 IDE Configuration Registers
Eide PCI Configuration Registers 82801, Device 31/Function
IDE Bus Master Control Registers
IDE Bus Master Control Registers
 Pin Primary IDE Connector Pinout
IDE Connector
Pin Signal Description
 Diskette Drive Interface
 Diskette Drive Interface Configuration
Diskette Drive Interface Configuration Registers
Index Reset
Diskette Drive Programming
 Diskette Drive Interface Control Registers
Pri
 Diskette Drive Connector
Pin Diskette Drive Connector Pinout
 Serial Interface
DB-9 Serial Connector Pinout
1 RS-232 Interface
 Serial Interface Configuration Registers
Serial Interface Configuration
Serial Interface Programming
 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
 3.1 8042 Configuration
Keyboard Interface Configuration Registers
Pointing Device Interface Operation
KEYBOARD/POINTING Device Interface Programming
 Port 60h
3.2 8042 Control
Port 64h
 CPU Commands To
Value Command Description
 Keyboard/Pointing Device Connector Pinout
KEYBOARD/POINTING Device Interface Connector
Data
 USB Data Formats
ICH2 USB
 Endp
 USB Configuration
USB Interface Configuration Registers
USB Programming
USB Control
 USB Connector
USB Connector Pinout
USB Cable Data
USB Cable Length Data
 Functional Analysis
 CD ROM
TDA
 Audio Controller
 3 AC97 Link BUS
Sync
SD OUT
Slot Description
 Audio Codec
 Audio Configuration
AC’97 Audio Controller PCI Configuration Registers
Audio Programming
Audio Control
 Audio Subsystem Specifications
Audio Specifications
Paramemter Measurement
 Network Support
PCI VER .2 Support
ALERT-ON-LAN Support
AOL Events
 Input/Output Interfaces
 AOL/SOS
Remote System Alert Support
SOS
 Remote System Alert Events
 Distribution
Power Supply ASSEMBLY/CONTROL
AUX
 Watt Power Supply Assembly Specifications P/N
Power Supply Assembly
Range Min. Current Max Surge
 Power Control
Power Button
System State Pressed Power Button Results
System Board LED Indications
 Power LED Indications
Power Management Event
Wake Up Events
Wake-On-LAN
 Power Distribution
1 3.3/5/12 VDC Distribution
Conn Pin
RTN
 LOW Voltage PRODUCTION/DISTRIBUTION
VID0
AGP PWR Rimm
VID1 VID2 VID3 VID4
 Signal Distribution
System
Board
IDE I/F CD-ROM
 CD ROM Audio Header P7
Power Button/LED Header P5
AOL/SOS Header P12
 Bios ROM
Bios ROM
 Boot Block Codes
ROM Flashing
Upgrading
Num Lock Cap Lock Scroll Lock
 Changeable Splash Screen
\Flashi.exe ImageFilename BackgroundColor ForegroundColor
 Boot Device Order
Boot Functions
Network Boot F12 Support
 Memory Detection and Configuration
Boot Error Codes
Boot Error Codes
Visual Audible Meaning
 Setup Utility Functions
Setup Utility
Heading Option Description
 Translation Mode IDE disks only
Removable Media Boot
Translation Parameters IDE Disks only
Multisector Transfers IDE ATA devices only
 CTRL+ALT+DEL
See the Desktop Management Guide for more
 Setup Utility Functions
 Setup Utility Functions
 Setup Utility Functions
 Client Management Functions
Function Mode
Client Management Functions INT15
 Input EAX
Output
EBX
ECX
 Temperature Status
System ID and ROM Type
Edid Retrieve
System System ID ROM Family PnP ID
 Drive Fault Prediction
PnP Bios Functions
PNP Support
Smart Hard Drive detects imminent failure
 Smbios
 Power Management Functions
System Timer
IDE Hard Drive Timer
Independent PM Support
 Going to Sleep in Independent PM
System Standby
IDE Hard Drive 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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 Error Messages and Codes
BEEP/KEYBOARD LED Codes
Table A-1
Beep/Keyboard LED Codes
 POWER-ON Self Test Post Messages
Power-On Self Test Post Messages
Error Message Probable Cause
Table A-2
 System Error Messages
System Error Messages
Table A-3
Message Probable Cause
 Memory Error Messages
Keyboard Error Messages
Table A-4
Table A-5
 Printer Error Messages
Video Graphics Error Messages
Table A-6
Table A-7
 Diskette Drive Error Messages
Serial Interface Error Messages
Table A-8
Table A-9
 Modem Communications Error Messages
Table A-10
 System Status Error Messages
Hard Drive Error Messages
Table A-11
Table A-12
 Table A-13
Table A-14
 17 DVD/CD-ROM Error Messages
Audio Error Messages
Network Interface Error Messages
 Scsi Interface Error Messages 65xx-xx, 66xx-xx
Pointing Device Interface Error Messages
Table A-18
Table A-19
 12Compaq Personal Computers
 Dec Hex Symbol
Ascii Character SET
Table B-1
Ascii Character Set
 Appendix B Ascii Character Set
 Keyboard
Appendix C 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
 Keyboard Commands
Keyboard-to-System Commands
Scan Codes
Table C-1
 Table C-2
Key Make / Break Codes Hex Pos Mode
Keyboard Scan Codes
 Table C-2. Keyboard Scan Codes
Key Make / Break Codes Hex Pos
 7E/FE
2B/AB
 Key
 Connectors
Figure C-9.PS/2 Keyboard Cable Connector Male
 COMPAQ/NVIDIA TNT2 PRO AGP Graphics Card
Sgram Nvidia TNT2
 Bios ROM
Functional Description
2D/VGA
RAM DAC
 Resolution Bits per pixel Color Depth
Display Modes
Table D-1
Nvidia TNT2 Pro Graphics Display Modes
 Power Management and Consumption
Monitor Power Management Conditions
Software Support Information
Table D-2
 Monitor Connector
DB-15 Monitor Connector Pinout
Table D-3
SDA
 6Compaq Personal Computers
 Appendix E Compaq/NVIDIA GeForce2 GTS AGP Graphics Card
Sdram Nvidia
 Appendix E Compaq/NVIDIA GeForce2 GTS AGP Graphics Card
 Table E-1
Nvidia GeForce2 GTS Graphics Display Modes
 Table E-2
 Table E-3
 Video In Connector Pinout
Video Feature Connector
Table E-4
 COMPAQ/LUCENT V.90 56K PCI Modem
Appendix F Compaq/Lucent V.90 56K PCI Modem
 DSP DAA
 Operating Parameters
Uart Transfer Rates
Transmission Modes
Table F-1
 Connector
APM Environment
Acpi Environment
Programming
 Appendix G COMPAQ/ELSA Gloria
 Appendix G Compaq/ELSA GLoria II AGP Graphics Card
 Table G-1
Elsa GLoria II Graphics Display Modes
 Table G-2
 Table G-3
 Table G-4
 Appendix G Compaq/Matrox Millennium G450 AGP Graphics Card
RAM MGA
 Ramdac
MB Sdram
 Table H-1
Matrox Millennium G450 Graphics Display Modes
 Table H-2
 Table H-3
 Video Feature Connector
 Network Interface Controller Adapters
 WOL Bios
Controller Type Featured on
VDC
TX/RX PHY
 AOL Function
Wake UP Functions
 Ipsec Function
 Power Management Support
 Configuration
Adapter Programming
Control
Control Registers
 Network Connector
Adapter Specifications
Adapter Specifications
DES/3DES, Hmac SHA-1, MD5
 8Compaq Personal Computers
 COMPAQ/NVIDIA QUADRO2 MXR AGP Graphics Card
Sdram Nvidia NV11GL
 RAM DAC Sdram
 Table J-1
Nvidia Quadro2 MXR Graphics Display Modes
 Table J-2
 Table F-3
 6Compaq Personal Computers
 Compaq PCI 10/100 Ethernet Adapter
AOL/SOS LED
 SMB CS
GND VDC
TX/RX
 AOL Function
 RSA Function
 Power Management Support
 2 AOL/SOS Connector
Figure K-4.AOL/SOS Connector 7-pin Header
 Smbus Connector
WOL Connector
 Table K-1
 COMPAQ/ADAPTEC 29160N Scsi Host Adapter
Appendix L Compaq/Adaptec Scsi Host Adapter
 PCI Scsi
 Scsi Adapter Programming Scsi Adapter Configuration
Scsi Adapter Control
Table L-1
Table L-2
 Scsi Connectors
External 50-PIN Ultra Scsi Connector
External Ultra Scsi Connector Pinout
Table L-3
 Internal 50-Pin Ultra Scsi Connector Pinout
Internal 50-PIN Ultra Scsi Connector
Table L-4
 Ultra160 Scsi Connector Pinout
Internal 68-PIN ULTRA160 Scsi Connector
Table L-5
 Index
Dimm support
 Ipsec
 Electrical
Specifications
Environmental
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