HP dc7800 Sgram, Simd, Simm, Smart, Smi, Smm, Smram, Spdif, Spn, Spp, Sram, Sse, Stn, Svga

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Introduction

			Table 1-1(Continued)
			Acronyms and Abbreviations

		Acronym or
		Abbreviation	Description

		SGRAM	Synchronous Graphics RAM

		SIMD	Single instruction multiple data

		SIMM	single in-line memory module

		SMART	Self Monitor Analysis Report Technology

		SMI	system management interrupt

		SMM	system management mode

		SMRAM	system management RAM

		SPD	serial presence detect

		SPDIF	Sony/Philips Digital Interface (IEC-958 specification)

		SPN	Spare part number

		SPP	standard parallel port

		SRAM	static RAM

		SSE	Streaming SIMD extensions

		STN	super twist pneumatic

		SVGA	super VGA

		SW	software

		TAD	telephone answering device

		TAFI	Temperature-sensing And Fan control Integrated circuit

		TCP	tape carrier package, transmission control protocol

		TF	trap flag

		TFT	thin-film transistor

		TIA	Telecommunications Information Administration

		TPE	twisted pair ethernet

		TPI	track per inch

		TTL	transistor-transistor logic

		TV	television

		TX	transmit

		UART	universal asynchronous receiver/transmitter

		UDMA	Ultra DMA

		URL	Uniform resource locator

		us/∝s	microsecond

		USB	Universal Serial Bus

		UTP	unshielded twisted pair

		V	volt


	Technical Reference Guide		www.hp.com	1-9

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Contents October Technical Reference GuideTechnical Reference Guide Contents Processor/Memory Subsystem System SupportInput/Output Interfaces Integrated Graphics Subsystem Power and Signal DistributionError Messages and Codes Index System BiosOnline Viewing About this GuideAdditional Information Sources Model Numbering ConventionIntroduction Values Serial NumberNotational Conventions Special NoticesAcronyms and Abbreviations Acronym or Description Common Acronyms and AbbreviationsCPU CMCCmos CPQFPU EscdFifo FPMAcronym or Abbreviation Description Acronyms and AbbreviationsPCM PCAPCI PCI-ESmart SgramSimd SimmVGA VACVDC VesaIntroduction System OverviewFeatures Feature Difference Matrix by Form Factor Sodimm Dimm4GB 8GB System Architecture Architectural Differences By Form FactorFunction HP Comapq dc7800 Business PC Architecture, Block diagram Intel Processor Support Chipset Chipset Components and FunctionalityComponents Function Component Name Function Support ComponentsSystem Memory Support Component FunctionsNetwork Interface Controller Mass StorageSerial and Parallel Interfaces Universal Serial Bus InterfaceIntegrated Graphics Controller Graphics SubsystemAudio Subsystem Integrated Graphics Subsystem StatisticsParameter Operating Non-operating SpecificationsEnvironmental Specifications Factory Configuration Power Supply Electrical SpecificationsParameter Usdt SFF CMT Physical SpecificationsParameter Measurement Diskette Drive SpecificationsCD-RW/DVD-ROM Combo LightScribe Combo Optical Drive SpecificationsDVD/CD-RW SuperMulti ParameterParameter 80 GB 160 GB 250 GB Hard Drive SpecificationsSystem Overview Processor/Memory Subsystem Intel Processor Overview Intel ProcessorsForm Processor Changing/UpgradingSupported Processors ClockMemory Subsystem Channel a Channel B Socket Socket 2 Socket 4 Total Memory UpgradingMemory Mapping and Pre-allocation Memory Socket LoadingSystem Memory Map for maximum of 8 gigabytes PCI 2.3 Bus Operation PCI Bus OverviewPCI Component Function # Device # Wired to PCI Component Configuration Access PCI BusPCI Bus Mastering Devices PCI Express Bus OperationSoftware/Driver Layer Transaction Protocol LayerLink Layer PCI Power Management SupportOption ROM Mapping PCI InterruptsPCI Connectors PCI 2.3 ConnectorPCI 2.3 Bus Connector Pinout PCI Express Bus Connector Pinout PCI Express ConnectorsMode Apic ModeSystem Resources InterruptsSystem Interrupts System Board Direct Memory AccessConnector PCI slot 1 PCI slot 2 PCI slot 3 PCI Interrupt DistributionClearing Cmos Real-Time Clock and Configuration MemorySecurity Functions Configuration Memory Cmos MapSystem Management Standard Cmos LocationsInterface Security Power-On / Setup PasswordSetup Password Cable Lock ProvisionAcpi Wake-Up Event System Wakes From Power ManagementSmart Cover Lock Optional Acpi Wake-Up EventsSystem Operational Status LED Indications System Status PowerLED Beeps Action RequiredSystem Status Thermal Sensing and CoolingSystem I/O Map Register Map and Miscellaneous FunctionsGpio Functions ICH9 FunctionsSystem I/O Map Controller Functions Input/Output Interfaces Pin Sata Connector Pinout Sata InterfacePin Description Pin Slim IDE Connector Pinout Pin SignalPata Interface Diskette Drive Interface Pin Signal Description Pin Diskette Drive Connector PinoutSerial Interface DB-9 Serial Connector PinoutParallel Interface Standard Parallel Port ModeEnhanced Parallel Port Mode Extended Capabilities Port ModeParallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function Keyboard Interface Operation Keyboard/Pointing Device InterfaceData Keyboard/Pointing Device Interface ConnectorKeyboard/Pointing Device Connector Pinout Pointing Device Interface OperationUniversal Serial Bus Interface USB ConnectorUSB Connector Location Controller Signals USDT, SFF Form Factors CMT Form FactorUSB Color Code USB Connector PinoutUSB Cable Data USB Cable Length DataAudio Subsystem Audio Subsystem Functional Block DiagramHD Audio Controller HD Audio Link BusAudio Multistreaming Audio Specifications HD Audio Subsystem SpecificationsADC/DAC LAN I/F NIC Network Interface ControllerPower Management Support Wake-On-LAN SupportAlert Standard Format Support Parameter Compatibility standard orprotocol NIC ConnectorNIC Specifications NIC SpecificationsIntegrated Graphics Subsystem Functional Description Q35 IGC, Block diagramIGC Standard 2D Display Modes Sdram Installed Maximum Memory AllocationDisplay Modes Resolution Maximum Refresh Rate Analog Digital MonitorUpgrading Monitor Connectors Analog Monitor ConnectorDB-15 Monitor Connector Pinout Digital Monitor Connector Integrated Graphics Subsystem Usdt Power Distribution Power DistributionUsdt 135-Watt Power Supply Unit Specifications SFF Power DistributionMin Range Current Max Surge Tolerance Loading Ripple SFF 240-Watt Power Supply Unit SpecificationsCMT Power Distribution CMT 365-Watt Power Supply Unit SpecificationsRange or Min Current Max Surge Tolerance Loading Ripple Energy Star Compliancy Shows the power supply cabling for CMT systemsPressed Power Button Results Power ControlPower Button Power Button ActionsPower Button Actions Power LED Condition Wake-On-LAN Wake Up EventsConsumption To S0 by Required System Power StatesPower Transition OS Restart State System ConditionCR1 +5 VDC LED Signal DistributionSystem Board Component Designations Power and Signal Distribution System Bios ROM Flashing UpgradingChangeable Splash Screen Memory Detection and Configuration Boot FunctionsBoot Device Order Network Boot F12 SupportBoot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Function Mode Client Management FunctionsClient Management Functions INT15 System ID Numbers Temperature StatusDrive Fault Prediction System ID and ROM TypeType Data SmbiosManagement Engine Functions USB Legacy SupportNumerics IndexIndex

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