HP dc7800 tower 2 SFF/CMT Power Distribution, Usdt 135-Watt Power Supply Unit Specifications

Page 80

Power and Signal Distribution

Table 7-1 lists the specifications of the external supply.

Table 7-1.

USDT 135-Watt Power Supply Unit Specifications

Parameter

 

Input Line Voltage Range

90–265 VAC

Line Frequency

47–63 Hz

Input Current, Maximum load @ 90 VAC

2.4 A

Output Voltage

19.5 VDC

Output Current, nominal load

3.5 A

Output Current, maximum load

6.9 A

Output Current, peak load (300 ms max) [1]

9.0 A

NOTES:

Total continuous power should not exceed 135 watts. Total surge power (<10 seconds w/duty cycle < 5 %) should not exceed 170 watts.

[1]Using 100 VAC input. The output voltage is allowed to drop to a minimum of 15 VDC during the transient period.

7.2.2SFF/CMT Power Distribution

The SFF and CMT form factors use a power supply unit contained within the system chassis. Figure 7-2 shows the block diagram for power generation in the SFF and CMT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Front Bezel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Button

Power On

90 - 264 VAC

NOTE:

CPU, slots, Chipsets, Logic, & Voltage Regulators

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3 VDC

5 AUX

+5 VDC

+12 VDC

+12 VccP

-12 VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3 VDC

 

 

 

PS On

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5 VDC

 

 

 

Spd [1]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+12 VDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Supply

Unit

Drives

[1] Not present on CMT.

Figure 7-2. SFF Power Generation, Block Diagram

Table 7-2 lists the specifications of the SFF power supply unit.

 

7-2

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Technical Reference Guide

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Page 79 Page 81
Contents Technical Reference Guide SeptemberTechnical Reference Guide Contents Input/Output Interfaces Processor/Memory SubsystemSystem Support Power and Signal Distribution Integrated Graphics SubsystemSystem Bios Error Messages and Codes IndexIntroduction About this GuideAdditional Information Sources Online ViewingSerial Number Notational ConventionsSpecial Notices ValuesAcronym or Abbreviation Description Common Acronyms and AbbreviationsAcronyms and Abbreviations CDS CGACMC CmosEisa EPPEide EscdIRQ ISALAN LCDODD PALPata PCASdvo SECSecam SgramURL USBUTP VACIntroduction System Overview IntroductionFeatures 1ODD Feature Difference Matrix by Form FactorSodimm Dimm Function System ArchitectureArchitectural Differences By Form Factor HP Compaq dc7900 Business PC Architecture, Block diagram Intel Processor Support Components Function ChipsetChipset Components and Functionality Support Components System MemorySupport Component Functions Component Name FunctionMass Storage Serial InterfaceUniversal Serial Bus Interface Network Interface ControllerGraphics Subsystem Audio SubsystemIntegrated Graphics Subsystem Statistics Integrated Graphics ControllerSpecifications Environmental Specifications Factory ConfigurationPower Supply Electrical Specifications Parameter Operating Non-operatingPhysical Specifications Parameter Usdt SFF CMTOptical Drive Specifications HP SuperMulti LightScribeParameter CD-RW/DVD-ROM ComboHard Drive Specifications Parameter 80 GB 160 GB 250 GBProcessor/Memory Subsystem Processor/Memory Subsystem ArchitectureIntel Processors Intel Processor OverviewProcessor Changing/Upgrading Supported Processors partial listingClock FormMemory Subsystem Memory Upgrading Memory Mapping and Pre-allocationMemory Socket Loading Channel a Channel B Socket Socket 2 Socket 4 TotalSystem Memory Map for maximum of 8 gigabytes PCI 2.3 Bus Operation System SupportPCI Bus Overview PCI Component Configuration Access PCI Bus PCI Component Function # Device # Wired toPCI Express Bus Operation Software/Driver LayerTransaction Protocol Layer PCI Bus Mastering DevicesPCI Power Management Support Option ROM MappingPCI Interrupts Link LayerPCI 2.3 Bus Connector Pinout PCI ConnectorsPCI 2.3 Connector PCI Express Connectors PCI Express Bus Connector PinoutApic Mode System ResourcesInterrupts ModeDirect Memory Access PCI Interrupt DistributionReal-Time Clock and Configuration Memory Clearing CmosConfiguration Memory Cmos Map System ManagementStandard Cmos Locations Security FunctionsPower-On / Setup Password Setup PasswordCable Lock Provision Interface SecurityPower Management Smart Cover Lock OptionalAcpi Wake-Up Events Acpi Wake-Up Event System Wakes FromSystem Status PowerLED Beeps Action Required System StatusThermal Sensing and Cooling System Operational Status LED IndicationsRegister Map and Miscellaneous Functions System I/O MapSystem I/O Map Port FunctionSIO Controller Functions Gpio FunctionsICH10 Functions Input/Output Interfaces Pin Sata Connector Pinout SATA/eSATA InterfacesSata interface Pin DescriptionOptional eSATA Bracket/Cable Assembly ESATA interfaceDiskette Drive Interface Pin Diskette Drive Connector Pinout Pin Signal DescriptionDB-9 Serial Connector Pinout Serial InterfaceStandard Parallel Port Mode Enhanced Parallel Port ModeExtended Capabilities Port Mode Parallel Interface SupportPin Signal Function Parallel Interface ConnectorDB-25 Parallel Connector Pinout Keyboard/Pointing Device Interface Keyboard Interface OperationKeyboard/Pointing Device Interface Connector Keyboard/Pointing Device Connector PinoutPointing Device Interface Operation DataUSB Connector Controller Signals USB Connector Location all form factorsUniversal Serial Bus Interface ICH10 USB Port MappingUSB Connector Pinout USB Cable DataUSB Cable Length Data USB Color CodeAudio Subsystem Functional Block Diagram Audio SubsystemAudio Multistreaming HD Audio ControllerHD Audio Link Bus Audio Specifications HD Audio Subsystem SpecificationsParameter Measurement ADC/DACNetwork Interface Controller LAN I/F NICAlert Standard Format Support Power Management SupportWake-On-LAN Support NIC Connector NIC SpecificationsNIC Specifications Parameter Compatibility standard orprotocolIntegrated Graphics Subsystem Functional Description RGBSdram Installed Maximum Memory Allocation GMA 4500 Memory AllocationIGC Standard 2D Display Modes Resolution Maximum Refresh Rate Analog Digital MonitorDisplay Modes Upgrading DB-15 Monitor Connector Pinout Monitor ConnectorsAnalog Monitor Connector DisplayPort Connector Pin SignalIntegrated Graphics Subsystem Usdt Power Distribution Power and Signal DistributionPower 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 Control Power ButtonPower Button Actions Pressed Power Button ResultsPower LED Indications Condition Wake Up Events Wake-On-LANSystem Power States Power Transition OS RestartState System Condition Consumption To S0 by RequiredSignal Distribution CR1 +5 VDC LEDSystem Board Component Designations Power and Signal Distribution System Bios Changeable Splash Screen ROM FlashingUpgrading Boot Functions Boot Device OrderNetwork Boot F12 Support Memory Detection and ConfigurationVisual power LED Audible speaker Meaning Boot Error CodesBoot Error Codes Client Management Functions INT15 Function ModeClient Management Functions Temperature Status System ID and ROM TypeSystem ID Numbers SubsystemSmbios Functions Type DataUSB Legacy Support Management Engine FunctionsError Messages and Codes Beep/Power LED CodesTable A-1 Beep/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 CauseMemory Error Messages Memory Error MessagesTable A-4 Message Probable CauseKeyboard Error Messages Table A-5 Keyboard Error Messages Probable CausePrinter Error Messages Video Graphics Error MessagesTable A-6 Printer Error Messages Probable Cause 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 Table A-11 System Status Error MessagesSystem Status Error Messages 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 Table A-15 Audio Error Messages Probable Cause Audio Error MessagesTable A-14 Video Graphics Error Messages Probable Cause 17 DVD/CD-ROM Error Messages Network Interface Error MessagesDVD/CD-ROM 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.

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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.
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