Intel Pentium 4 Processor Intel 850 Chipset
Technical Reference Guide
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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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 Additional Information Sources
Using this Guide
Introduction
About this Guide
 BIT Notation
Signal Labels
Notational Conventions
Register Notation and Usage
 Common Acronyms and Abbreviations
Acronyms and Abbreviations
Acronym/Abbreviation Description
 DMA
Dimm
DIN
DIP
 LIF
LAN
LCD
LED
 Secam
Scsi
Sdram
SEC
 Introduction
System Overview
 Deskpro EXS Deskpro Workstation
Features and Options
Standard Features
Standard Feature Difference Matrix
 Options
 Deskpro EXS Deskpro Workstation
Mechanical Design
Cabinet Layouts
Front Views
 Rear View
Shows the rear cabinet layout of the controls and connectors
 Chassis Layout
Back
Front
 System Board Layout
Board Layout
 System Architecture
 MCH AGP Rdram
ICH2 LPC
FWH
 Pentium 4 Processor
 Support Component Functions
Chipset
Support Components
Chipset Comparison
 Universal Serial BUS Interface
System Memory
Mass Storage
SERIAL, Parallel Interfaces
 G450
Graphics Subsystem
Standard AGP Graphics Card Comparison
Matrox
 Audio Subsystem
Specifications
Environmental Specifications Factory Configuration
Electrical Specifications
 Compaq SP#
Physical Specifications
Diskette Drive Specifications
Parameter Desktop Configuration Minitower Configuration
 Parameter 18.0 GB 20.0 GB 40.0 GB
48x CD-ROM Drive Specifications SP# 187217-B21
Hard Drive Specifications
Parameter Measurement
 XMM1 XMM2 Rimm
Processor Memory Subsystem
FSB I/F
AGP MCH
 Processor Overview
 FSB
CPU FPU
 Processor Upgrading
 Memory Subsystem
Sdram Interface Rdram Interface Dual Channel
Dimm Rdram
 Rambus Signal Attributes Each Channel
Signal Name
Rambus Attributes
 Rambus Channel Transactions
 Exit Rdram Functionality
Rdram Power Management
Rdram CONFIGURATION/CONTROL
State Power Refresh
 Shows the system memory map
 Config Register Value Egister
Subsystem Configuration
Host/PCI Bridge Configuration Registers MCH, Device
Reset
 System Support
 NIC Eide USB
PCI BUS Overview
 Configuration Cycles
PCI BUS Transactions
1.1 I/O and Memory Cycles
 PCI Component Configuration Access Data
Idsel
PCI Component Vendor/Device ID Bus # Device # Function #
 Bist
PCI Configuration Space Type
 PCI BUS Master Arbitration
PCI Bus Mastering Devices
REQ/GNT Line Device
 PCI SUB-BUSSES
PCI Power Management Support
Option ROM Mapping
PCI Interrupts
 Addr Register Value
PCI Configuration
LPC Bridge Configuration Registers ICH, Function 0, Device
Config Reset
 PCI Connector
PCI Bus Connector Pinout
Pin Signal
 BUS Transactions
AGP BUS Overview
 Data Request
Data Transfers
CLK D1A D1B D2A D2B GNT Trdy
 GNT Trdy
AGP 2X Transfers
 Config Reset Addr Register Value
AGP Configuration
 Trdy Devsel
AGP Connector
AGP Bus Connector Pinout
Ovrcnt GND KEY
 System Resources
Interrupts
Maskable Interrupts
 Apic Mode
Mode
Maskable Interrupt Priorities and Assignments
 Port Register
Non-Maskable Interrupts
NMI- Generation
Maskable Interrupt Control Registers
 IOCHK- NMI
SMI- Generation
 Direct Memory Access
DMA Channel Assignments And Register Ports
DMA Channel Function Port
 Frequncy Source Destination
REAL-TIME Clock and Configuration Memory
System Clock Distribution
Clock Generation and Distribution
 Clearing Cmos
 Location Function
Cmos Archive and Restore
Configuration Memory Cmos Map
Standard Cmos Locations
 RTC Control Register A, Byte 0Ah
 Configuration Byte 0Eh, Diagnostic Status
 Bit Function Reserved
Configuration Byte 13h, Security Functions
 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
 Security Functions
Power-On Password
Setup Password
System Management
 Acpi Wake-Up Event System Wakes From
Power Management
Cable Lock Provision
1.4 I/O Interface Security
 NUM Lock CAPs Lock Scroll Lock Event
System Boot/ROM Flash Status LED Indications
System Status
System Operational Status LED Indications
 CMD
Temperature Sensing and Cooling
 Port Function
Register MAP and Miscellaneous Functions
System I/O MAP
System I/O Map
 PS LED NIC REQ5 Irqe Irqf Irqg Irqh HD LED
2 82801 ICH General Purpose Functions
82801 ICH2 Gpio Register Utilization
Gpio Port # Function Direction
 Index Function Reset Value
3 I/O Controller Functions
Controller Control Registers
 3.1 LPC47B357 Gpio Utilization
LPC47B357 Gpio Port Utilization
Function Direction
 3.2 LPC47B357 I/O Controller Miscellaneous Functions
System Status Power LED
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 INPUT/OUTPUT Interfaces
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
 IDE Connector
Pin Primary IDE Connector Pinout
Pin Signal Description
 Diskette Drive Interface
 Diskette Drive Programming
Diskette Drive Interface Configuration
Diskette Drive Interface Configuration Registers
Index Reset
 Pri
Diskette Drive Interface Control Registers
 Pin Diskette Drive Connector Pinout
Diskette Drive Connector
 DB-9 Serial Connector Pinout
Serial Interface
1 RS-232 Interface
 Serial Interface Configuration
Serial Interface Configuration Registers
Serial Interface Programming
 Serial Interface Control
Serial Interface Control Registers
Addr Register
 Parallel Interface
Standard Parallel Port Mode
 Extended Capabilities Port Mode
Enhanced Parallel Port Mode
 Parallel Interface Configuration
Parallel Interface Configuration Registers
Parallel Interface Programming
 Parallel Interface Control
Parallel Interface Control Registers
Address Register
 Parallel Interface Connector
DB-25 Parallel Connector Pinout
Pin Signal Function
 Keyboard Interface Operation
KEYBOARD/POINTING Device Interface
 Command
To-Keyboard Commands
 KEYBOARD/POINTING Device Interface Programming
3.1 8042 Configuration
Keyboard Interface Configuration Registers
Pointing Device Interface Operation
 3.2 8042 Control
Port 60h
Port 64h
 Value Command Description
CPU Commands To
 KEYBOARD/POINTING Device Interface Connector
Keyboard/Pointing Device Connector Pinout
Data
 ICH2 USB
USB Data Formats
 Endp
 USB Control
USB Configuration
USB Interface Configuration Registers
USB Programming
 USB Cable Length Data
USB Connector
USB Connector Pinout
USB Cable Data
 Functional Analysis
 TDA
CD ROM
 Audio Controller
 Slot Description
3 AC97 Link BUS
Sync
SD OUT
 Audio Codec
 Audio Control
Audio Configuration
AC’97 Audio Controller PCI Configuration Registers
Audio Programming
 Audio Specifications
Audio Subsystem Specifications
Paramemter Measurement
 AOL Events
Network Support
PCI VER .2 Support
ALERT-ON-LAN Support
 Input/Output Interfaces
 Remote System Alert Support
AOL/SOS
SOS
 Remote System Alert Events
 Power Supply ASSEMBLY/CONTROL
Distribution
AUX
 Power Supply Assembly
Watt Power Supply Assembly Specifications P/N
Range Min. Current Max Surge
 System Board LED Indications
Power Control
Power Button
System State Pressed Power Button Results
 Wake-On-LAN
Power LED Indications
Power Management Event
Wake Up Events
 RTN
Power Distribution
1 3.3/5/12 VDC Distribution
Conn Pin
 VID1 VID2 VID3 VID4
LOW Voltage PRODUCTION/DISTRIBUTION
VID0
AGP PWR Rimm
 IDE I/F CD-ROM
Signal Distribution
System
Board
 Power Button/LED Header P5
CD ROM Audio Header P7
AOL/SOS Header P12
 Bios ROM
Bios ROM
 Num Lock Cap Lock Scroll Lock
Boot Block Codes
ROM Flashing
Upgrading
 \Flashi.exe ImageFilename BackgroundColor ForegroundColor
Changeable Splash Screen
 Boot Functions
Boot Device Order
Network Boot F12 Support
 Visual Audible Meaning
Memory Detection and Configuration
Boot Error Codes
Boot Error Codes
 Setup Utility
Setup Utility Functions
Heading Option Description
 Multisector Transfers IDE ATA devices only
Translation Mode IDE disks only
Removable Media Boot
Translation Parameters IDE Disks only
 See the Desktop Management Guide for more
CTRL+ALT+DEL
 Setup Utility Functions
 Setup Utility Functions
 Setup Utility Functions
 Function Mode
Client Management Functions
Client Management Functions INT15
 ECX
Input EAX
Output
EBX
 System System ID ROM Family PnP ID
Temperature Status
System ID and ROM Type
Edid Retrieve
 Smart Hard Drive detects imminent failure
Drive Fault Prediction
PnP Bios Functions
PNP Support
 Smbios
 Independent PM Support
Power Management Functions
System Timer
IDE Hard Drive Timer
 Suspend
Going to Sleep in Independent PM
System Standby
IDE Hard Drive Standby
 APM 1.2 Support
Acpi Support
 APM Bios Function Description
APM Bios Functions
 Staying Awake in APM
 Going to Sleep in APM
System/Hard Drive Standby
System Suspend
 USB Legacy Support
Waking Up in APM
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 Beep/Keyboard LED Codes
Error Messages and Codes
BEEP/KEYBOARD LED Codes
Table A-1
 Table A-2
POWER-ON Self Test Post Messages
Power-On Self Test Post Messages
Error Message Probable Cause
 Message Probable Cause
System Error Messages
System Error Messages
Table A-3
 Table A-5
Memory Error Messages
Keyboard Error Messages
Table A-4
 Table A-7
Printer Error Messages
Video Graphics Error Messages
Table A-6
 Table A-9
Diskette Drive Error Messages
Serial Interface Error Messages
Table A-8
 Table A-10
Modem Communications Error Messages
 Table A-12
System Status Error Messages
Hard Drive Error Messages
Table A-11
 Table A-14
Table A-13
 Audio Error Messages
17 DVD/CD-ROM Error Messages
Network Interface Error Messages
 Table A-19
Scsi Interface Error Messages 65xx-xx, 66xx-xx
Pointing Device Interface Error Messages
Table A-18
 12Compaq Personal Computers
 Ascii Character Set
Dec Hex Symbol
Ascii Character SET
Table B-1
 Appendix B Ascii Character Set
 Appendix C Keyboard
Keyboard
 Keystroke Processing
 Parameter Minimum Nominal Maximum
1 PS/2-TYPE Keyboard Transmissions
 USB-TYPE Keyboard Transmissions
 Standard Enhanced Keyboards
Keyboard Layouts
 Figure C-6.National Windows 102W-Key Keyboard Key Positions
Windows Enhanced Keyboards
 Figure C-8.8-Button Easy Access Keyboard Layout
Easy Access Keyboards
 Special Single-Keystroke Functions
Keys
 Windows Keystrokes
Multi-Keystroke Functions
 Button # Description Default Function
Easy Access Keystrokes
 Table C-1
Keyboard Commands
Keyboard-to-System Commands
Scan Codes
 Key Make / Break Codes Hex Pos Mode
Table C-2
Keyboard Scan Codes
 Key Make / Break Codes Hex Pos
Table C-2. Keyboard Scan Codes
 2B/AB
7E/FE
 Key
 Figure C-9.PS/2 Keyboard Cable Connector Male
Connectors
 Sgram Nvidia TNT2
COMPAQ/NVIDIA TNT2 PRO AGP Graphics Card
 RAM DAC
Bios ROM
Functional Description
2D/VGA
 Nvidia TNT2 Pro Graphics Display Modes
Resolution Bits per pixel Color Depth
Display Modes
Table D-1
 Table D-2
Power Management and Consumption
Monitor Power Management Conditions
Software Support Information
 SDA
Monitor Connector
DB-15 Monitor Connector Pinout
Table D-3
 6Compaq Personal Computers
 Sdram Nvidia
Appendix E Compaq/NVIDIA GeForce2 GTS AGP Graphics Card
 Appendix E Compaq/NVIDIA GeForce2 GTS AGP Graphics Card
 Nvidia GeForce2 GTS Graphics Display Modes
Table E-1
 Table E-2
 Table E-3
 Video Feature Connector
Video In Connector Pinout
Table E-4
 Appendix F Compaq/Lucent V.90 56K PCI Modem
COMPAQ/LUCENT V.90 56K PCI Modem
 DSP DAA
 Table F-1
Operating Parameters
Uart Transfer Rates
Transmission Modes
 Programming
Connector
APM Environment
Acpi Environment
 Appendix G COMPAQ/ELSA Gloria
 Appendix G Compaq/ELSA GLoria II AGP Graphics Card
 Elsa GLoria II Graphics Display Modes
Table G-1
 Table G-2
 Table G-3
 Table G-4
 RAM MGA
Appendix G Compaq/Matrox Millennium G450 AGP Graphics Card
 MB Sdram
Ramdac
 Matrox Millennium G450 Graphics Display Modes
Table H-1
 Table H-2
 Table H-3
 Video Feature Connector
 Network Interface Controller Adapters
 TX/RX PHY
WOL Bios
Controller Type Featured on
VDC
 Wake UP Functions
AOL Function
 Ipsec Function
 Power Management Support
 Control Registers
Configuration
Adapter Programming
Control
 DES/3DES, Hmac SHA-1, MD5
Network Connector
Adapter Specifications
Adapter Specifications
 8Compaq Personal Computers
 Sdram Nvidia NV11GL
COMPAQ/NVIDIA QUADRO2 MXR AGP Graphics Card
 RAM DAC Sdram
 Nvidia Quadro2 MXR Graphics Display Modes
Table J-1
 Table J-2
 Table F-3
 6Compaq Personal Computers
 AOL/SOS LED
Compaq PCI 10/100 Ethernet Adapter
 GND VDC
SMB CS
TX/RX
 AOL Function
 RSA Function
 Power Management Support
 Figure K-4.AOL/SOS Connector 7-pin Header
2 AOL/SOS Connector
 WOL Connector
Smbus Connector
 Table K-1
 Appendix L Compaq/Adaptec Scsi Host Adapter
COMPAQ/ADAPTEC 29160N Scsi Host Adapter
 PCI Scsi
 Table L-2
Scsi Adapter Programming Scsi Adapter Configuration
Scsi Adapter Control
Table L-1
 Table L-3
Scsi Connectors
External 50-PIN Ultra Scsi Connector
External Ultra Scsi Connector Pinout
 Internal 50-PIN Ultra Scsi Connector
Internal 50-Pin Ultra Scsi Connector Pinout
Table L-4
 Internal 68-PIN ULTRA160 Scsi Connector
Ultra160 Scsi Connector Pinout
Table L-5
 Dimm support
Index
 Ipsec
 Specifications
Electrical
Environmental
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