Rear View | Compaq 850 specs

Technical Reference Guide

2.3.1.2Rear View

Figure 2-3 shows the rear cabinet layout of the controls and connectors.

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Item	Description

1AC line In Connector (115V/230V)

2Line voltage switch

3Parallel I/F connector

4PS/2 keyboard connector

5PS/2 mouse connector

6Serial port A connector

7Serial port B connector

8USB ports (4)

9Microphone In audio jack

10Headphone/Line Out audio jack

11Line In audio jack

12Ultra SCSI connector (some Workstation models only)

13Network I/F connector

14Graphics (RGB) monitor connector

Figure 2–3.Rear Cabinet View

Compaq Deskpro EXS and Workstation 300 Personal Computers 2-5

Featuring the Intel Pentium 4 Processor

First Edition - December 2000

Image 33

Compaq 850 manual Rear View, Shows the rear cabinet layout of the controls and connectors

Contents

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 Common Acronyms and Abbreviations Acronyms and AbbreviationsAcronym/Abbreviation Description 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 Chassis Layout BackFront System Board Layout Board Layout System Architecture MCH AGP Rdram ICH2 LPCFWH 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 Memory Subsystem Sdram Interface Rdram Interface Dual ChannelDimm Rdram Rambus Signal Attributes Each Channel Signal NameRambus Attributes 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 Configuration Cycles PCI BUS Transactions1.1 I/O and Memory Cycles PCI Component Configuration Access Data IdselPCI Component Vendor/Device ID Bus # Device # Function # Bist PCI Configuration Space Type PCI BUS Master Arbitration PCI Bus Mastering DevicesREQ/GNT Line Device 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 PCI Connector PCI Bus Connector PinoutPin Signal BUS Transactions AGP BUS Overview Data Request Data TransfersCLK D1A D1B D2A D2B GNT Trdy GNT Trdy AGP 2X Transfers Config Reset Addr Register Value AGP Configuration AGP Bus Connector Pinout AGP ConnectorOvrcnt GND KEY Trdy Devsel System Resources InterruptsMaskable Interrupts Apic Mode ModeMaskable Interrupt Priorities and Assignments NMI- Generation Non-Maskable InterruptsMaskable Interrupt Control Registers Port Register IOCHK- NMI SMI- Generation Direct Memory Access DMA Channel Assignments And Register PortsDMA Channel Function Port 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 Index Function Reset Value 3 I/O Controller FunctionsController Control Registers 3.1 LPC47B357 Gpio Utilization LPC47B357 Gpio Port UtilizationFunction Direction 3.2 LPC47B357 I/O Controller Miscellaneous Functions System Status Power LED This page is intentionally blank INPUT/OUTPUT Interfaces Enhanced IDE InterfaceIDE Programming Eide PCI Configuration Registers 82801, Device 31/Function IDE Configuration RegistersIDE Bus Master Control Registers IDE Bus Master Control Registers IDE Connector Pin Primary IDE Connector PinoutPin Signal Description 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 DB-9 Serial Connector Pinout Serial Interface1 RS-232 Interface Serial Interface Configuration Serial Interface Configuration RegistersSerial Interface Programming Serial Interface Control Serial Interface Control RegistersAddr Register Parallel Interface Standard Parallel Port Mode Extended Capabilities Port Mode Enhanced Parallel Port Mode Parallel Interface Configuration Parallel Interface Configuration RegistersParallel Interface Programming Parallel Interface Control Parallel Interface Control RegistersAddress Register Parallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function 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 3.2 8042 Control Port 60hPort 64h Value Command Description CPU Commands To KEYBOARD/POINTING Device Interface Connector Keyboard/Pointing Device Connector PinoutData 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 Audio Specifications Audio Subsystem SpecificationsParamemter Measurement PCI VER .2 Support Network SupportALERT-ON-LAN Support AOL Events Input/Output Interfaces Remote System Alert Support AOL/SOSSOS Remote System Alert Events Power Supply ASSEMBLY/CONTROL DistributionAUX Power Supply Assembly Watt Power Supply Assembly Specifications P/NRange Min. Current Max Surge 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 Power Button/LED Header P5 CD ROM Audio Header P7AOL/SOS Header P12 Bios ROM Bios ROM ROM Flashing Boot Block CodesUpgrading Num Lock Cap Lock Scroll Lock \Flashi.exe ImageFilename BackgroundColor ForegroundColor Changeable Splash Screen Boot Functions Boot Device OrderNetwork Boot F12 Support Boot Error Codes Memory Detection and ConfigurationBoot Error Codes Visual Audible Meaning Setup Utility Setup Utility FunctionsHeading Option Description 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 Function Mode Client Management FunctionsClient Management Functions INT15 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 Going to Sleep in APM System/Hard Drive StandbySystem Suspend 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 Audio Error Messages 17 DVD/CD-ROM Error MessagesNetwork Interface 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 Key Make / Break Codes Hex Pos Mode Table C-2Keyboard 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 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 Video Feature Connector Video In Connector PinoutTable E-4 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 GND VDC SMB CSTX/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 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 Internal 50-PIN Ultra Scsi Connector Internal 50-Pin Ultra Scsi Connector PinoutTable L-4 Internal 68-PIN ULTRA160 Scsi Connector Ultra160 Scsi Connector PinoutTable L-5 Dimm support Index Ipsec Specifications ElectricalEnvironmental This page is intentionally blank