Signal Distribution, CR1 +5 VDC LED | HP dc7800 manual

Power and Signal Distribution

7.4Signal Distribution

Table 7-7 lists the reference designators for LEDS, connectors, headers, and switches used on the system boards for systems covered in this guide. Unless otherwise indicated, components are used on all system boards.

Table 7-7.

				System Board Component Designations

			Designator	Component function	Notes
			CR1	+5 VDC LED
			E1	Descriptor table override header
			E14	SPI ROM boot block header
			E49 / JP49	Password clear header / jumper
			J9	Stacked RJ-45 & dual USB connectors
			J10	Stacked quad USB connectors
			J20	PCI 2.3 connector	SFF & CMT only
			J21	PCI 2.3 connector	CMT only
		J22		PCI 2.3 connector	CMT only
		J31		PCIe x1 connector	SFF & CMT only
		J32		PCIe x1 connector	SFF & CMT only
		J41		PCIe x16 (graphics) connector	SFF & CMT only
		J50		Parallel port, DB-25 connector	SFF & CMT only
		J68		Stacked keyboard, mouse PS/2 connectors
		J69		VGA monitor DB-15 connector
		J78		Stacked audio line-in, headphone/line-out 1/8” jacks
		J103		DC input	USDT only
		P1		Power supply connector	SFF & CMT only
			P3	Vccp (PWRCPU) header
			P5	Control panel (power button, power LED) header
			P6	Internal speaker header
			P8	CPU fan header
			P9	Chassis fan, primary, header
			P10	Diskette drive connector	SFF & CMT only
			P20	PATA (IDE), primary, connector	n/a
			P21	PATA (IDE), secondary, connector	USDT only
			P23	Front panel audio header
		P24		Front panel USB header
		P52		Serial port, secondary, header	SFF & CMT only
		P53		Serial port, primary connector	CMT only
		P54		Serial port, primary header	SFF only
		P60		SATA0 (controller 1, primary) connector (dark blue)
		P61		SATA1 (controller 1, secondary) connector (white)	SFF & CMT only
		P62		SATA4 (controller 2, primary) connector (light blue)	SFF & CMT only
		P63		SATA5 (controller 2, secondary) connector (orange)	CMT only
		P70		CPU fan, primary header	CMT only
		P124		Hood lock header
		P125		Hood sense header
		P126		Parallel port header	USDT only
		P150		Media reader header

	7-10			www.hp.com	Technical Reference Guide

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HP dc7800 manual Signal Distribution, CR1 +5 VDC LED

Contents

Technical Reference Guide October Technical Reference Guide Contents Processor/Memory Subsystem System SupportInput/Output Interfaces Power and Signal Distribution Integrated Graphics Subsystem System Bios Error Messages and Codes Index Model Numbering Convention About this GuideAdditional Information Sources Online Viewing Introduction Special Notices Serial NumberNotational Conventions Values Common Acronyms and Abbreviations Acronyms and Abbreviations Acronym or Description CPQ CMCCmos CPU FPM EscdFifo FPU Acronyms and Abbreviations Acronym or Abbreviation Description PCI-E PCAPCI PCM Simm SgramSimd Smart Vesa VACVDC VGA System Overview Introduction Features 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 Support Component Functions Support ComponentsSystem Memory Component Name Function Universal Serial Bus Interface Mass StorageSerial and Parallel Interfaces Network Interface Controller Integrated Graphics Subsystem Statistics Graphics SubsystemAudio Subsystem Integrated Graphics Controller Power Supply Electrical Specifications SpecificationsEnvironmental Specifications Factory Configuration Parameter Operating Non-operating Physical Specifications Parameter Usdt SFF CMT Diskette Drive Specifications Parameter Measurement Parameter Optical Drive SpecificationsDVD/CD-RW SuperMulti CD-RW/DVD-ROM Combo LightScribe Combo Hard Drive Specifications Parameter 80 GB 160 GB 250 GB System Overview Processor/Memory Subsystem Intel Processors Intel Processor Overview Clock Processor Changing/UpgradingSupported Processors Form Memory Subsystem Memory Socket Loading Memory UpgradingMemory Mapping and Pre-allocation Channel a Channel B Socket Socket 2 Socket 4 Total System Memory Map for maximum of 8 gigabytes PCI Bus Overview PCI 2.3 Bus Operation PCI Component Configuration Access PCI Bus PCI Component Function # Device # Wired to Transaction Protocol Layer PCI Express Bus OperationSoftware/Driver Layer PCI Bus Mastering Devices PCI Interrupts PCI Power Management SupportOption ROM Mapping Link Layer PCI Connectors PCI 2.3 ConnectorPCI 2.3 Bus Connector Pinout PCI Express Connectors PCI Express Bus Connector Pinout Interrupts Apic ModeSystem Resources Mode PCI Interrupt Distribution Direct Memory AccessConnector PCI slot 1 PCI slot 2 PCI slot 3 System Interrupts System Board Real-Time Clock and Configuration Memory Clearing Cmos Standard Cmos Locations Configuration Memory Cmos MapSystem Management Security Functions Cable Lock Provision Power-On / Setup PasswordSetup Password Interface Security Acpi Wake-Up Events Power ManagementSmart Cover Lock Optional Acpi Wake-Up Event System Wakes From Thermal Sensing and Cooling System Status PowerLED Beeps Action RequiredSystem Status System Operational Status LED Indications Register Map and Miscellaneous Functions System I/O Map Gpio 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 Diskette Drive Connector Pinout Pin Signal Description DB-9 Serial Connector Pinout Serial Interface Extended Capabilities Port Mode Standard Parallel Port ModeEnhanced Parallel Port Mode Parallel Interface Parallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function Keyboard/Pointing Device Interface Keyboard Interface Operation Pointing Device Interface Operation Keyboard/Pointing Device Interface ConnectorKeyboard/Pointing Device Connector Pinout Data Controller Signals USDT, SFF Form Factors CMT Form Factor USB ConnectorUSB Connector Location Universal Serial Bus Interface USB Cable Length Data USB Connector PinoutUSB Cable Data USB Color Code Audio Subsystem Functional Block Diagram Audio Subsystem HD Audio Controller HD Audio Link BusAudio Multistreaming Audio Specifications HD Audio Subsystem SpecificationsADC/DAC Network Interface Controller LAN I/F NIC Power Management Support Wake-On-LAN SupportAlert Standard Format Support NIC Specifications NIC ConnectorNIC Specifications Parameter Compatibility standard orprotocol Integrated Graphics Subsystem Q35 IGC, Block diagram Functional Description Sdram Installed Maximum Memory Allocation IGC Standard 2D Display Modes Resolution Maximum Refresh Rate Analog Digital Monitor Display Modes Upgrading Monitor Connectors Analog Monitor ConnectorDB-15 Monitor Connector Pinout Digital Monitor Connector Integrated Graphics Subsystem Power Distribution Usdt Power Distribution SFF Power Distribution Usdt 135-Watt Power Supply Unit Specifications SFF 240-Watt Power Supply Unit Specifications Min Range Current Max Surge Tolerance Loading Ripple CMT Power Distribution CMT 365-Watt Power Supply Unit SpecificationsRange or Min Current Max Surge Tolerance Loading Ripple Shows the power supply cabling for CMT systems Energy Star Compliancy Power Button Actions Power ControlPower Button Pressed Power Button Results Power Button Actions Power LED Condition Wake Up Events Wake-On-LAN State System Condition System Power StatesPower Transition OS Restart Consumption To S0 by Required Signal Distribution CR1 +5 VDC LED System 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 Configuration Boot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Function Mode Client Management FunctionsClient Management Functions INT15 System ID and ROM Type Temperature StatusDrive Fault Prediction System ID Numbers Smbios Type Data USB Legacy Support Management Engine Functions Index Numerics Index