Technical Reference Guide, October | HP dc7800 instruction

Technical Reference Guide

HP Compaq dc7800 Series

Business Desktop Computers

Document Part Number: 461444-001

October 2007

This document provides information on the design, architecture, function, and capabilities of the HP Compaq dc7800 Series Business Desktop Computers. This information may be used by engineers, technicians, administrators, or anyone needing detailed information on the products covered.

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HP dc7800 manual Technical Reference Guide, October

Contents

October Technical Reference Guide Technical Reference Guide Contents System Support Processor/Memory SubsystemInput/Output Interfaces Integrated Graphics Subsystem Power and Signal Distribution Error Messages and Codes Index System Bios Additional Information Sources About this GuideModel Numbering Convention Online Viewing Introduction Notational Conventions Serial NumberSpecial Notices Values Acronyms and Abbreviations Acronym or Description Common Acronyms and Abbreviations Cmos CMCCPQ CPU Fifo EscdFPM FPU Acronym or Abbreviation Description Acronyms and Abbreviations PCI PCAPCI-E PCM Simd SgramSimm Smart VDC VACVesa VGA Introduction System Overview Features Sodimm Dimm Feature Difference Matrix by Form Factor4GB 8GB Architectural Differences By Form Factor System ArchitectureFunction HP Comapq dc7800 Business PC Architecture, Block diagram Intel Processor Support Chipset Components and Functionality ChipsetComponents Function System Memory Support ComponentsSupport Component Functions Component Name Function Serial and Parallel Interfaces Mass StorageUniversal Serial Bus Interface Network Interface Controller Audio Subsystem Graphics SubsystemIntegrated Graphics Subsystem Statistics Integrated Graphics Controller Environmental Specifications Factory Configuration SpecificationsPower Supply Electrical Specifications Parameter Operating Non-operating Parameter Usdt SFF CMT Physical Specifications Parameter Measurement Diskette Drive Specifications DVD/CD-RW SuperMulti Optical Drive SpecificationsParameter CD-RW/DVD-ROM Combo LightScribe Combo Parameter 80 GB 160 GB 250 GB Hard Drive Specifications System Overview Processor/Memory Subsystem Intel Processor Overview Intel Processors Supported Processors Processor Changing/UpgradingClock Form Memory Subsystem Memory Mapping and Pre-allocation Memory UpgradingMemory Socket Loading Channel a Channel B Socket Socket 2 Socket 4 Total System Memory Map for maximum of 8 gigabytes PCI 2.3 Bus Operation PCI Bus Overview PCI Component Function # Device # Wired to PCI Component Configuration Access PCI Bus Software/Driver Layer PCI Express Bus OperationTransaction Protocol Layer PCI Bus Mastering Devices Option ROM Mapping PCI Power Management SupportPCI Interrupts Link Layer PCI 2.3 Connector PCI ConnectorsPCI 2.3 Bus Connector Pinout PCI Express Bus Connector Pinout PCI Express Connectors System Resources Apic ModeInterrupts Mode Connector PCI slot 1 PCI slot 2 PCI slot 3 Direct Memory AccessPCI Interrupt Distribution System Interrupts System Board Clearing Cmos Real-Time Clock and Configuration Memory System Management Configuration Memory Cmos MapStandard Cmos Locations Security Functions Setup Password Power-On / Setup PasswordCable Lock Provision Interface Security Smart Cover Lock Optional Power ManagementAcpi Wake-Up Events Acpi Wake-Up Event System Wakes From System Status System Status PowerLED Beeps Action RequiredThermal Sensing and Cooling System Operational Status LED Indications System I/O Map Register Map and Miscellaneous Functions ICH9 Functions Gpio FunctionsSystem I/O Map Controller Functions Input/Output Interfaces Sata Interface Pin Sata Connector PinoutPin Description Pin Signal Pin Slim IDE Connector PinoutPata Interface Diskette Drive Interface Pin Signal Description Pin Diskette Drive Connector Pinout Serial Interface DB-9 Serial Connector Pinout Enhanced Parallel Port Mode Standard Parallel Port ModeExtended Capabilities Port Mode Parallel Interface DB-25 Parallel Connector Pinout Parallel Interface ConnectorPin Signal Function Keyboard Interface Operation Keyboard/Pointing Device Interface Keyboard/Pointing Device Connector Pinout Keyboard/Pointing Device Interface ConnectorPointing Device Interface Operation Data USB Connector Location USB ConnectorController Signals USDT, SFF Form Factors CMT Form Factor Universal Serial Bus Interface USB Cable Data USB Connector PinoutUSB Cable Length Data USB Color Code Audio Subsystem Audio Subsystem Functional Block Diagram HD Audio Link Bus HD Audio ControllerAudio Multistreaming HD Audio Subsystem Specifications Audio SpecificationsADC/DAC LAN I/F NIC Network Interface Controller Wake-On-LAN Support Power Management SupportAlert Standard Format Support NIC Specifications NIC ConnectorNIC Specifications Parameter Compatibility standard orprotocol Integrated Graphics Subsystem Functional Description Q35 IGC, Block diagram IGC Standard 2D Display Modes Sdram Installed Maximum Memory Allocation Display Modes Resolution Maximum Refresh Rate Analog Digital Monitor Upgrading Analog Monitor Connector Monitor ConnectorsDB-15 Monitor Connector Pinout Digital Monitor Connector Integrated Graphics Subsystem Usdt Power Distribution Power Distribution Usdt 135-Watt Power Supply Unit Specifications SFF Power Distribution Min Range Current Max Surge Tolerance Loading Ripple SFF 240-Watt Power Supply Unit Specifications CMT 365-Watt Power Supply Unit Specifications CMT Power DistributionRange or Min Current Max Surge Tolerance Loading Ripple Energy Star Compliancy Shows the power supply cabling for CMT systems Power Button Power ControlPower Button Actions Pressed Power Button Results Power Button Actions Power LED Condition Wake-On-LAN Wake Up Events Power Transition OS Restart System Power StatesState System Condition Consumption To S0 by Required CR1 +5 VDC LED Signal Distribution System Board Component Designations Power and Signal Distribution System Bios Upgrading ROM FlashingChangeable Splash Screen Boot Device Order Boot FunctionsNetwork Boot F12 Support Memory Detection and Configuration Boot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Client Management Functions Function ModeClient Management Functions INT15 Drive Fault Prediction Temperature StatusSystem ID and ROM Type System ID Numbers Type Data Smbios Management Engine Functions USB Legacy Support Numerics Index Index