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Intel Pentium 4 Processor Intel 850 Chipset Technical Reference GuidePage TRG Page Reader Feedback Page 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 This page is intentionally blank Introduction Using this GuideAbout this Guide Additional Information Sources Notational Conventions Signal LabelsRegister Notation and Usage BIT Notation Acronym/Abbreviation Description Common Acronyms and AbbreviationsAcronyms and Abbreviations DIN DimmDIP DMA LCD LANLED LIF Sdram ScsiSEC Secam Introduction System Overview Standard Features Features and OptionsStandard Feature Difference Matrix Deskpro EXS Deskpro Workstation Options Cabinet Layouts Mechanical DesignFront Views Deskpro EXS Deskpro Workstation Rear View Shows the rear cabinet layout of the controls and connectors Front Chassis LayoutBack System Board Layout Board Layout System Architecture FWH MCH AGP RdramICH2 LPC Pentium 4 Processor Support Components ChipsetChipset Comparison Support Component Functions Mass Storage System MemorySERIAL, Parallel Interfaces Universal Serial BUS Interface Standard AGP Graphics Card Comparison Graphics SubsystemMatrox G450 Environmental Specifications Factory Configuration SpecificationsElectrical Specifications Audio Subsystem Diskette Drive Specifications Physical SpecificationsParameter Desktop Configuration Minitower Configuration Compaq SP# Hard Drive Specifications 48x CD-ROM Drive Specifications SP# 187217-B21Parameter Measurement Parameter 18.0 GB 20.0 GB 40.0 GB FSB I/F Processor Memory SubsystemAGP MCH XMM1 XMM2 Rimm Processor Overview FSB CPU FPU Processor Upgrading Dimm Rdram Memory SubsystemSdram Interface Rdram Interface Dual Channel Rambus Attributes Rambus Signal Attributes Each ChannelSignal Name Rambus Channel Transactions Rdram CONFIGURATION/CONTROL Rdram Power ManagementState Power Refresh Exit Rdram Functionality Shows the system memory map Host/PCI Bridge Configuration Registers MCH, Device Subsystem ConfigurationReset Config Register Value Egister System Support NIC Eide USB PCI BUS Overview 1.1 I/O and Memory Cycles Configuration CyclesPCI BUS Transactions PCI Component Vendor/Device ID Bus # Device # Function # PCI Component Configuration Access DataIdsel Bist PCI Configuration Space Type REQ/GNT Line Device PCI BUS Master ArbitrationPCI Bus Mastering Devices Option ROM Mapping PCI Power Management SupportPCI Interrupts PCI SUB-BUSSES LPC Bridge Configuration Registers ICH, Function 0, Device PCI ConfigurationConfig Reset Addr Register Value Pin Signal PCI ConnectorPCI Bus Connector Pinout BUS Transactions AGP BUS Overview CLK D1A D1B D2A D2B GNT Trdy Data RequestData Transfers GNT Trdy AGP 2X Transfers Config Reset Addr Register Value AGP Configuration AGP Bus Connector Pinout AGP ConnectorOvrcnt GND KEY Trdy Devsel Maskable Interrupts System ResourcesInterrupts Maskable Interrupt Priorities and Assignments Apic ModeMode NMI- Generation Non-Maskable InterruptsMaskable Interrupt Control Registers Port Register IOCHK- NMI SMI- Generation DMA Channel Function Port Direct Memory AccessDMA Channel Assignments And Register Ports System Clock Distribution REAL-TIME Clock and Configuration MemoryClock Generation and Distribution Frequncy Source Destination Clearing Cmos Configuration Memory Cmos Map Cmos Archive and RestoreStandard Cmos Locations Location Function 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 Setup Password Power-On PasswordSystem Management Security Functions Cable Lock Provision Power Management1.4 I/O Interface Security Acpi Wake-Up Event System Wakes From System Status System Boot/ROM Flash Status LED IndicationsSystem Operational Status LED Indications NUM Lock CAPs Lock Scroll Lock Event CMD Temperature Sensing and Cooling System I/O MAP Register MAP and Miscellaneous FunctionsSystem I/O Map Port Function 82801 ICH2 Gpio Register Utilization 2 82801 ICH General Purpose FunctionsGpio Port # Function Direction PS LED NIC REQ5 Irqe Irqf Irqg Irqh HD LED Controller Control Registers Index Function Reset Value3 I/O Controller Functions Function Direction 3.1 LPC47B357 Gpio UtilizationLPC47B357 Gpio Port Utilization 3.2 LPC47B357 I/O Controller Miscellaneous Functions System Status Power LED This page is intentionally blank IDE Programming INPUT/OUTPUT InterfacesEnhanced IDE Interface Eide PCI Configuration Registers 82801, Device 31/Function IDE Configuration RegistersIDE Bus Master Control Registers IDE Bus Master Control Registers Pin Signal Description IDE ConnectorPin Primary IDE Connector Pinout Diskette Drive Interface Diskette Drive Interface Configuration Registers Diskette Drive Interface ConfigurationIndex Reset Diskette Drive Programming Pri Diskette Drive Interface Control Registers Pin Diskette Drive Connector Pinout Diskette Drive Connector 1 RS-232 Interface DB-9 Serial Connector PinoutSerial Interface Serial Interface Programming Serial Interface ConfigurationSerial Interface Configuration Registers Addr Register Serial Interface ControlSerial Interface Control Registers Parallel Interface Standard Parallel Port Mode Extended Capabilities Port Mode Enhanced Parallel Port Mode Parallel Interface Programming Parallel Interface ConfigurationParallel Interface Configuration Registers Address Register Parallel Interface ControlParallel Interface Control Registers Pin Signal Function Parallel Interface ConnectorDB-25 Parallel Connector Pinout Keyboard Interface Operation KEYBOARD/POINTING Device Interface Command To-Keyboard Commands Keyboard Interface Configuration Registers 3.1 8042 ConfigurationPointing Device Interface Operation KEYBOARD/POINTING Device Interface Programming Port 64h 3.2 8042 ControlPort 60h Value Command Description CPU Commands To Data KEYBOARD/POINTING Device Interface ConnectorKeyboard/Pointing Device Connector Pinout ICH2 USB USB Data Formats Endp USB Interface Configuration Registers USB ConfigurationUSB Programming USB Control USB Connector Pinout USB ConnectorUSB Cable Data USB Cable Length Data Functional Analysis TDA CD ROM Audio Controller Sync 3 AC97 Link BUSSD OUT Slot Description Audio Codec AC’97 Audio Controller PCI Configuration Registers Audio ConfigurationAudio Programming Audio Control Paramemter Measurement Audio SpecificationsAudio Subsystem Specifications PCI VER .2 Support Network SupportALERT-ON-LAN Support AOL Events Input/Output Interfaces SOS Remote System Alert SupportAOL/SOS Remote System Alert Events AUX Power Supply ASSEMBLY/CONTROLDistribution Range Min. Current Max Surge Power Supply AssemblyWatt Power Supply Assembly Specifications P/N Power Button Power ControlSystem State Pressed Power Button Results System Board LED Indications Power Management Event Power LED IndicationsWake Up Events Wake-On-LAN 1 3.3/5/12 VDC Distribution Power DistributionConn Pin RTN VID0 LOW Voltage PRODUCTION/DISTRIBUTIONAGP PWR Rimm VID1 VID2 VID3 VID4 System Signal DistributionBoard IDE I/F CD-ROM AOL/SOS Header P12 Power Button/LED Header P5CD ROM Audio Header P7 Bios ROM Bios ROM ROM Flashing Boot Block CodesUpgrading Num Lock Cap Lock Scroll Lock \Flashi.exe ImageFilename BackgroundColor ForegroundColor Changeable Splash Screen Network Boot F12 Support Boot FunctionsBoot Device Order Boot Error Codes Memory Detection and ConfigurationBoot Error Codes Visual Audible Meaning Heading Option Description Setup UtilitySetup Utility Functions Removable Media Boot Translation Mode IDE disks onlyTranslation Parameters IDE Disks only Multisector Transfers IDE ATA devices only See the Desktop Management Guide for more CTRL+ALT+DEL Setup Utility Functions Setup Utility Functions Setup Utility Functions Client Management Functions INT15 Function ModeClient Management Functions Output Input EAXEBX ECX System ID and ROM Type Temperature StatusEdid Retrieve System System ID ROM Family PnP ID PnP Bios Functions Drive Fault PredictionPNP Support Smart Hard Drive detects imminent failure Smbios System Timer Power Management FunctionsIDE Hard Drive Timer Independent PM Support System Standby Going to Sleep in Independent PMIDE Hard Drive Standby Suspend APM 1.2 Support Acpi Support APM Bios Function Description APM Bios Functions Staying Awake in APM System Suspend Going to Sleep in APMSystem/Hard Drive Standby USB Legacy Support Waking Up in APM This page is intentionally blank BEEP/KEYBOARD LED Codes Error Messages and CodesTable A-1 Beep/Keyboard LED Codes Power-On Self Test Post Messages POWER-ON Self Test Post MessagesError Message Probable Cause Table A-2 System Error Messages System Error MessagesTable A-3 Message Probable Cause Keyboard Error Messages Memory Error MessagesTable A-4 Table A-5 Video Graphics Error Messages Printer Error MessagesTable A-6 Table A-7 Serial Interface Error Messages Diskette Drive Error MessagesTable A-8 Table A-9 Table A-10 Modem Communications Error Messages Hard Drive Error Messages System Status Error MessagesTable A-11 Table A-12 Table A-14 Table A-13 Network Interface Error Messages Audio Error Messages17 DVD/CD-ROM Error Messages Pointing Device Interface Error Messages Scsi Interface Error Messages 65xx-xx, 66xx-xxTable A-18 Table A-19 12Compaq Personal Computers Ascii Character SET Dec Hex SymbolTable B-1 Ascii Character Set 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 Keyboard-to-System Commands Keyboard CommandsScan Codes Table C-1 Keyboard Scan Codes Key Make / Break Codes Hex Pos ModeTable C-2 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 Functional Description Bios ROM2D/VGA RAM DAC Display Modes Resolution Bits per pixel Color DepthTable D-1 Nvidia TNT2 Pro Graphics Display Modes Monitor Power Management Conditions Power Management and ConsumptionSoftware Support Information Table D-2 DB-15 Monitor Connector Pinout Monitor ConnectorTable D-3 SDA 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 Table E-4 Video Feature ConnectorVideo In Connector Pinout Appendix F Compaq/Lucent V.90 56K PCI Modem COMPAQ/LUCENT V.90 56K PCI Modem DSP DAA Uart Transfer Rates Operating ParametersTransmission Modes Table F-1 APM Environment ConnectorAcpi Environment Programming 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 Controller Type Featured on WOL BiosVDC TX/RX PHY Wake UP Functions AOL Function Ipsec Function Power Management Support Adapter Programming ConfigurationControl Control Registers Adapter Specifications Network ConnectorAdapter Specifications DES/3DES, Hmac SHA-1, MD5 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 TX/RX GND VDCSMB CS 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 Scsi Adapter Control Scsi Adapter Programming Scsi Adapter ConfigurationTable L-1 Table L-2 External 50-PIN Ultra Scsi Connector Scsi ConnectorsExternal Ultra Scsi Connector Pinout Table L-3 Table L-4 Internal 50-PIN Ultra Scsi ConnectorInternal 50-Pin Ultra Scsi Connector Pinout Table L-5 Internal 68-PIN ULTRA160 Scsi ConnectorUltra160 Scsi Connector Pinout Dimm support Index Ipsec Environmental SpecificationsElectrical This page is intentionally blank