HP dc7900 manual SFF 240-Watt Power Supply Unit Specifications

Page 81

Power and Signal Distribution

Table 7-2.

SFF 240-Watt Power Supply Unit Specifications

 

 

 

 

 

 

 

 

 

 

Min.

 

 

 

 

 

 

Range/

Current

Max.

Surge

Max.

 

Tolerance

Loading [1]

Current

Current

Ripple

 

 

 

 

 

 

 

 

 

Input Line Voltage

90–264 VAC

--

 

--

 

--

 

--

Line Frequency

47–63 Hz

--

 

--

 

--

 

--

Input (AC) Current

--

--

 

5.0

A

--

 

--

+3.3 VDC Output

+ 4%

0.1

A

15.0 A

15.0 A

50 mV

+5.08 VDC Output

+ 3.3 %

0.3 A

17.0 A

17.0 A

50 mV

+5.08 AUX Output

+ 3.3 %

0.0 A

3.0

A

3.5

A

50 mV

+12 VDC Output

+ 5 %

0.1

A

7.5

A

9.0

A

120 mV

+12 VDC Output (Vcpu)

+ 5 %

0.1

A

11.0 A

14.5 A

120 mv

--12 VDC Output

+ 10 %

0.0 A

0.15 A

0.15 A

200 mV

NOTES:

Total continuous power should not exceed 240 watts. Total surge power (<10 seconds w/duty cycle < 5 %) should not exceed 260 watts.

[1] The minimum current loading figures apply to a PS On start up only.

Figure 7-3 shows the power supply cabling for the SFF system.

 

 

 

P4

P7

P5

P2

P4, P5, P7

 

P2

 

3

P3

4

P11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

P3

P11

 

 

 

 

 

 

 

 

 

2

 

 

 

 

5 4 3 2 1

4

3

2

1

1

 

2

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

P1

 

4

Power Supply

 

 

 

 

P1

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin

Pin

Pin

Conn

Pin 1

Pin 2

Pin 3

 

Pin 4

Pin 5

Pin 6

Pin 7

Pin 8

 

Pin 9

 

10

11

12

P1

+3.3

+3.3

RTN

 

+5

RTN

+5

RTN

 

POK

 

5AUX

 

+12

+12

3.3

P1 [1]

+3.3

-12

RTN

 

PS On

RTN

RTN

RTN

PS Det

 

+5

 

+5

+5

RTN

P2

+5

RTN

RTN

 

+12

 

 

 

 

 

 

 

 

 

 

 

P3

RTN

RTN

VccP

 

VccP

 

 

 

 

 

 

 

 

 

 

 

P4, 5,

+3.3

RTN

+5

 

RTN

+12

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P11

GND

nc

Ftach

 

Fcmd

 

 

 

 

 

 

 

 

 

 

 

All + and - values are VDC. RTN = Return (signal ground) sns = sense

GND = Power ground RS = Remote sense FC = Fan command FO = Fan off

FSpd = Fan speed FS = Fan Sink

POK = Power OK (power good)

VccP = +12 for CPU nc = not connected Ftach = Fan speed Fcmd = Fan command

[1] This row represents pins 13–24 of connector P1

Figure 7-3. SFF Power Cable Diagram

 

Technical Reference Guide

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7-3

Image 81
Contents September 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 BiosAbout this Guide IntroductionAdditional Information Sources Online ViewingNotational Conventions Serial NumberSpecial Notices ValuesAcronyms and Abbreviations Acronym or Description Common Acronyms and AbbreviationsCGA CDSCMC CmosEPP EisaEide EscdISA IRQLAN LCDPAL ODDPata PCASEC SdvoSecam SgramAcronym or Abbreviation Description Acronyms and AbbreviationsIntroduction Introduction System OverviewFeatures 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 System Memory Support ComponentsSupport Component Functions Component Name FunctionSerial Interface Mass StorageUniversal Serial Bus Interface Network Interface ControllerAudio Subsystem Graphics SubsystemIntegrated Graphics Subsystem Statistics Integrated Graphics ControllerEnvironmental Specifications Factory Configuration SpecificationsPower Supply Electrical Specifications Parameter Operating Non-operatingParameter Usdt SFF CMT Physical SpecificationsHP SuperMulti LightScribe Optical Drive SpecificationsParameter CD-RW/DVD-ROM ComboParameter 80 GB 160 GB 250 GB Hard Drive SpecificationsProcessor/Memory Subsystem Architecture Processor/Memory SubsystemIntel Processor Overview Intel ProcessorsSupported Processors partial listing Processor Changing/UpgradingClock FormMemory Subsystem Memory Mapping and Pre-allocation Memory UpgradingMemory Socket Loading 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 Function # Device # Wired to PCI Component Configuration Access PCI BusSoftware/Driver Layer PCI Express Bus OperationTransaction Protocol Layer PCI Bus Mastering DevicesOption ROM Mapping PCI Power Management SupportPCI Interrupts Link LayerPCI Connectors PCI 2.3 ConnectorPCI 2.3 Bus Connector Pinout PCI Express Bus Connector Pinout PCI Express ConnectorsSystem Resources Apic ModeInterrupts ModePCI Interrupt Distribution Direct Memory AccessClearing Cmos Real-Time Clock and Configuration MemorySystem Management Configuration Memory Cmos MapStandard Cmos Locations Security FunctionsSetup Password Power-On / Setup PasswordCable Lock Provision Interface SecuritySmart Cover Lock Optional Power ManagementAcpi Wake-Up Events Acpi Wake-Up Event System Wakes FromSystem Status System Status PowerLED Beeps Action RequiredThermal Sensing and Cooling System Operational Status LED IndicationsSystem I/O Map Register Map and Miscellaneous FunctionsPort Function System I/O MapGpio Functions ICH10 FunctionsSIO Controller Functions Input/Output Interfaces SATA/eSATA Interfaces Pin Sata Connector PinoutSata interface Pin DescriptionESATA interface Optional eSATA Bracket/Cable AssemblyDiskette Drive Interface Pin Signal Description Pin Diskette Drive Connector PinoutSerial Interface DB-9 Serial Connector PinoutEnhanced Parallel Port Mode Standard Parallel Port ModeExtended Capabilities Port Mode Parallel Interface SupportParallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function Keyboard Interface Operation Keyboard/Pointing Device InterfaceKeyboard/Pointing Device Connector Pinout Keyboard/Pointing Device Interface ConnectorPointing Device Interface Operation DataController Signals USB Connector Location all form factors USB ConnectorUniversal Serial Bus Interface ICH10 USB Port MappingUSB Cable Data USB Connector PinoutUSB Cable Length Data USB Color CodeAudio Subsystem Audio Subsystem Functional Block DiagramHD Audio Controller HD Audio Link BusAudio Multistreaming HD Audio Subsystem Specifications Audio SpecificationsParameter Measurement ADC/DACLED Network Interface ControllerPower Management Support Wake-On-LAN SupportAlert Standard Format Support NIC Specifications NIC ConnectorNIC Specifications Parameter Compatibility standard orprotocolIntegrated Graphics Subsystem RGB Functional DescriptionGMA 4500 Memory Allocation Sdram Installed Maximum Memory AllocationResolution Maximum Refresh Rate Analog Digital Monitor Display ModesIGC Standard 2D Display Modes Upgrading Monitor Connectors Analog Monitor ConnectorDB-15 Monitor Connector Pinout Pin Signal DisplayPort ConnectorIntegrated Graphics Subsystem Power and Signal Distribution Power DistributionUsdt Power Distribution Usdt 135-Watt Power Supply Unit Specifications 2 SFF/CMT Power DistributionMin Range Current Max Surge Tolerance Loading Ripple SFF 240-Watt Power Supply Unit SpecificationsRange or Min Current Max Surge Tolerance Loading Ripple CMT 365-Watt Power Supply Unit SpecificationsEnergy Star Compliancy Shows the power supply cabling for CMT systemsPower Button Power ControlPower Button Actions Pressed Power Button ResultsPower LED Indications Condition Wake-On-LAN Wake Up EventsPower Transition OS Restart System Power StatesState System Condition Consumption To S0 by RequiredCR1 +5 VDC LED Signal DistributionSystem Board Component Designations Power and Signal Distribution System Bios ROM Flashing UpgradingChangeable Splash Screen Boot Device Order Boot FunctionsNetwork Boot F12 Support Memory Detection and ConfigurationBoot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Function Mode Client Management FunctionsClient Management Functions INT15 System ID and ROM Type Temperature StatusSystem ID Numbers SubsystemType Data Smbios FunctionsManagement Engine Functions USB Legacy SupportBeep/Power LED Codes Error Messages and CodesTable A-1 Beep/Power LED Codes Beeps Power LED Probable CausePower-On Self Test Post Messages Table A-2 Table A-2 Error Message Probable CauseTable A-3 System Error Messages Probable Cause System Error MessagesTable A-4 Memory Error Messages Probable Cause Memory Error MessagesTable A-5 Keyboard Error Messages Probable Cause Keyboard Error MessagesVideo Graphics Error Messages Printer Error MessagesTable A-6 Printer Error Messages Probable Cause Table A-7 Video Graphics Error Messages Probable CauseTable A-8 Diskette Drive Error Messages Probable Cause Diskette Drive Error MessagesTable A-9 Serial Interface Error Messages Probable Cause Serial Interface Error MessagesModem Communications Error Messages System Status Error Messages System Status Error MessagesTable A-11 Table A-12 Hard Drive Error Messages Probable Cause Hard Drive Error MessagesXx = 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 Network Interface Error Messages 17 DVD/CD-ROM Error MessagesDVD/CD-ROM Error Messages Table A-17 Network Interface Error Messages Probable CauseTable A-18 Scsi Interface Error Messages Scsi Interface Error Messages 65xx-xx, 66xx-xxPointing Device Interface Error Messages 8601-xx Error Messages and Codes Numerics IndexIndex
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dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

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In terms of graphics capabilities, the HP dc7900 typically features integrated Intel graphics, with options to install discrete graphics cards for users who require enhanced visual performance. This makes the dc7900 suitable for tasks ranging from standard office applications to more graphics-intensive responsibilities.

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The HP dc7900 is not just a powerful desktop; it’s a versatile and dependable solution for modern businesses. With its combination of performance, expandability, and solid build quality, the dc7900 remains a relevant choice for those looking to enhance their productivity and efficiency in the workplace.