HP dc7800 tower manual Power and Signal Distribution

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Power and Signal Distribution

 

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Technical Reference Guide

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Contents Technical Reference Guide SeptemberTechnical Reference Guide Contents Processor/Memory Subsystem System SupportInput/Output Interfaces Power and Signal Distribution Integrated Graphics SubsystemSystem Bios Error Messages and Codes IndexAdditional Information Sources IntroductionAbout this Guide Online ViewingSpecial Notices Serial NumberNotational Conventions ValuesCommon Acronyms and Abbreviations Acronyms and AbbreviationsAcronym or Abbreviation Description CMC CDSCGA CmosEide EisaEPP EscdLAN IRQISA LCDPata ODDPAL PCASecam SdvoSEC SgramUTP URLUSB VACIntroduction System Overview IntroductionFeatures Feature Difference Matrix by Form Factor Sodimm Dimm1ODD System Architecture Architectural Differences By Form FactorFunction HP Compaq dc7900 Business PC Architecture, Block diagram Intel Processor Support Chipset Chipset Components and FunctionalityComponents Function Support Component Functions Support ComponentsSystem Memory Component Name FunctionUniversal Serial Bus Interface Mass StorageSerial Interface Network Interface ControllerIntegrated Graphics Subsystem Statistics Graphics SubsystemAudio Subsystem Integrated Graphics ControllerPower Supply Electrical Specifications SpecificationsEnvironmental Specifications Factory Configuration Parameter Operating Non-operatingPhysical Specifications Parameter Usdt SFF CMTParameter Optical Drive SpecificationsHP SuperMulti LightScribe CD-RW/DVD-ROM ComboHard Drive Specifications Parameter 80 GB 160 GB 250 GBProcessor/Memory Subsystem Processor/Memory Subsystem ArchitectureIntel Processors Intel Processor OverviewClock Processor Changing/UpgradingSupported Processors partial listing FormMemory Subsystem Memory Socket Loading Memory UpgradingMemory Mapping and Pre-allocation Channel a Channel B Socket Socket 2 Socket 4 TotalSystem Memory Map for maximum of 8 gigabytes System Support PCI Bus OverviewPCI 2.3 Bus Operation PCI Component Configuration Access PCI Bus PCI Component Function # Device # Wired toTransaction Protocol Layer PCI Express Bus OperationSoftware/Driver Layer PCI Bus Mastering DevicesPCI Interrupts PCI Power Management SupportOption ROM Mapping Link LayerPCI Connectors PCI 2.3 ConnectorPCI 2.3 Bus Connector Pinout PCI Express Connectors PCI Express Bus Connector PinoutInterrupts Apic ModeSystem Resources ModeDirect Memory Access PCI Interrupt DistributionReal-Time Clock and Configuration Memory Clearing CmosStandard Cmos Locations Configuration Memory Cmos MapSystem Management Security FunctionsCable Lock Provision Power-On / Setup PasswordSetup Password Interface SecurityAcpi Wake-Up Events Power ManagementSmart Cover Lock Optional Acpi Wake-Up Event System Wakes FromThermal Sensing and Cooling System Status PowerLED Beeps Action RequiredSystem Status System Operational Status LED IndicationsRegister Map and Miscellaneous Functions System I/O MapSystem I/O Map Port FunctionGpio Functions ICH10 FunctionsSIO Controller Functions Input/Output Interfaces Sata interface Pin Sata Connector PinoutSATA/eSATA Interfaces Pin DescriptionOptional eSATA Bracket/Cable Assembly ESATA interfaceDiskette Drive Interface Pin Diskette Drive Connector Pinout Pin Signal DescriptionDB-9 Serial Connector Pinout Serial InterfaceExtended Capabilities Port Mode Standard Parallel Port ModeEnhanced Parallel Port Mode Parallel Interface SupportParallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function Keyboard/Pointing Device Interface Keyboard Interface OperationPointing Device Interface Operation Keyboard/Pointing Device Interface ConnectorKeyboard/Pointing Device Connector Pinout DataUniversal Serial Bus Interface USB ConnectorController Signals USB Connector Location all form factors ICH10 USB Port MappingUSB Cable Length Data USB Connector PinoutUSB Cable Data USB Color CodeAudio Subsystem Functional Block Diagram Audio SubsystemHD Audio Controller HD Audio Link BusAudio Multistreaming Parameter Measurement Audio SpecificationsHD Audio Subsystem Specifications ADC/DACNetwork Interface Controller LAN I/F NICPower Management Support Wake-On-LAN SupportAlert Standard Format Support NIC Specifications NIC ConnectorNIC Specifications Parameter Compatibility standard orprotocolIntegrated Graphics Subsystem Functional Description RGBSdram Installed Maximum Memory Allocation GMA 4500 Memory AllocationResolution Maximum Refresh Rate Analog Digital Monitor Display ModesIGC Standard 2D Display Modes Upgrading Monitor Connectors Analog Monitor ConnectorDB-15 Monitor Connector Pinout DisplayPort Connector Pin SignalIntegrated Graphics Subsystem Power and Signal Distribution Power DistributionUsdt Power Distribution 2 SFF/CMT Power Distribution Usdt 135-Watt Power Supply Unit SpecificationsSFF 240-Watt Power Supply Unit Specifications Min Range Current Max Surge Tolerance Loading RippleCMT 365-Watt Power Supply Unit Specifications Range or Min Current Max Surge Tolerance Loading RippleShows the power supply cabling for CMT systems Energy Star CompliancyPower Button Actions Power ControlPower Button Pressed Power Button ResultsPower LED Indications Condition Wake Up Events Wake-On-LANState System Condition System Power StatesPower Transition OS Restart Consumption To S0 by RequiredSignal Distribution CR1 +5 VDC LEDSystem Board Component Designations Power and Signal Distribution System Bios ROM Flashing UpgradingChangeable Splash Screen Network Boot F12 Support Boot FunctionsBoot Device Order Memory Detection and ConfigurationBoot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Function Mode Client Management FunctionsClient Management Functions INT15 System ID Numbers Temperature StatusSystem ID and ROM Type SubsystemSmbios Functions Type DataUSB Legacy Support Management Engine FunctionsTable A-1 Beep/Power LED Codes Error Messages and CodesBeep/Power LED Codes Beeps Power LED Probable CausePower-On Self Test Post Messages Table A-2 Error Message Probable Cause Table A-2System Error Messages Table A-3 System Error Messages Probable CauseTable A-4 Memory Error MessagesMemory Error Messages Message Probable CauseKeyboard Error Messages Table A-5 Keyboard Error Messages Probable CauseTable A-6 Printer Error Messages Probable Cause Printer Error MessagesVideo Graphics Error Messages Table A-7 Video Graphics Error Messages Probable CauseDiskette Drive Error Messages Table A-8 Diskette Drive Error Messages Probable CauseSerial Interface Error Messages Table A-9 Serial Interface Error Messages Probable CauseModem Communications Error Messages System Status Error Messages System Status Error MessagesTable A-11 Hard Drive Error Messages Table A-12 Hard Drive Error Messages Probable CauseXx = 03, Hard drive read/write compare test Table A-13 Hard Drive Error Messages Probable Cause Audio Error Messages Table A-14 Video Graphics Error Messages Probable CauseTable A-15 Audio Error Messages Probable Cause DVD/CD-ROM Error Messages 17 DVD/CD-ROM Error MessagesNetwork Interface Error Messages Table A-17 Network Interface Error Messages Probable CauseScsi Interface Error Messages 65xx-xx, 66xx-xx Table A-18 Scsi Interface Error MessagesPointing Device Interface Error Messages 8601-xx Error Messages and Codes Index NumericsIndex
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dc7800 tower specifications

The HP dc7800 Tower is a powerful desktop computer designed for professional and enterprise environments. Known for its stability, performance, and versatility, this model has secured its place in a variety of business settings. Launched in the mid-2000s, it embodies HP’s commitment to quality and innovation.

One of the main features of the HP dc7800 is its form factor. The tower configuration allows for easy upgrades and maintenance, providing ample space for additional hard drives, memory, and other components. This level of accessibility makes it ideal for businesses that need to adapt their systems to changing requirements.

The dc7800 is powered by Intel's Core 2 Duo processors, offering dual-core technology that enhances multitasking capabilities. With clock speeds ranging from 1.8 GHz to 3.0 GHz, this system can handle demanding applications with relative ease. It also supports Intel's vPro technology, which allows for remote management and security features, making it an excellent choice for organizations prioritizing IT control.

Another notable characteristic is the support for up to 8GB of DDR2 RAM. This allows for efficient data processing and improved performance when running multiple applications simultaneously. Additionally, the dc7800 features multiple storage options, accommodating both SATA hard drives and solid-state drives, which can significantly enhance boot times and overall system responsiveness.

Connectivity options on the HP dc7800 are robust. It includes a variety of USB ports, audio jacks, and optional legacy ports, ensuring compatibility with a wide range of peripherals and accessories. Networking capabilities are also prominent, with built-in Gigabit Ethernet providing high-speed internet access.

Furthermore, the desktop tower is designed with energy efficiency in mind. It meets ENERGY STAR certification standards, which not only helps reduce operational costs but also minimizes environmental impact.

Overall, the HP dc7800 Tower embodies a blend of performance, expandability, and energy efficiency, making it a reliable choice for businesses in need of a robust desktop solution. With its legacy of dependability and its suite of modern technologies, it continues to serve as a valuable asset in enterprise environments.