HP dc7800 tower Monitor Connectors, Analog Monitor Connector, DB-15 Monitor Connector Pinout

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Integrated Graphics Subsystem

6.5 Monitor Connectors

All form factors provide an analog VGA connector and a DisplayPort connector, and can drive both types of monitors simultaneously.

6.5.1 Analog Monitor Connector

All form factors include a legacyVGA connector (Figure 6-2) for attaching an analog video monitor:

Figure 6-2. DB-15 Analog VGA Monitor Connector, (as viewed from rear of chassis).

Table 6-3.

DB-15 Monitor Connector Pinout

Pin

Signal

Description

Pin

Signal

Description

1

R

Red Analog

9

PWR

+5 VDC (fused) [1]

2

G

Blue Analog

10

GND

Ground

3

B

Green Analog

11

NC

Not Connected

4

NC

Not Connected

12

SDA

DDC Data

5

GND

Ground

13

HSync

Horizontal Sync

6

R GND

Red Analog Ground

14

VSync

Vertical Sync

7

G GND

Blue Analog Ground

15

SCL

DDC Clock

8

B GND

Green Analog Ground

--

--

--

NOTE:

[1] Fuse automatically resets when excessive load is removed.

 

6-6

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Technical Reference Guide

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Contents Technical Reference Guide SeptemberTechnical Reference Guide Contents System Support Processor/Memory SubsystemInput/Output Interfaces Power and Signal Distribution Integrated Graphics SubsystemSystem Bios Error Messages and Codes IndexIntroduction About this GuideAdditional Information Sources Online ViewingSerial Number Notational ConventionsSpecial Notices ValuesAcronyms and Abbreviations Common Acronyms and AbbreviationsAcronym or Abbreviation Description CDS CGACMC CmosEisa EPPEide EscdIRQ ISALAN LCDODD PALPata PCASdvo SECSecam SgramURL USBUTP VACIntroduction System Overview IntroductionFeatures Sodimm Dimm Feature Difference Matrix by Form Factor1ODD Architectural Differences By Form Factor System ArchitectureFunction HP Compaq dc7900 Business PC Architecture, Block diagram Intel Processor Support Chipset Components and Functionality ChipsetComponents Function 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 Bus Overview System SupportPCI 2.3 Bus Operation 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 Connector PCI ConnectorsPCI 2.3 Bus Connector Pinout 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 FunctionICH10 Functions Gpio FunctionsSIO Controller 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 SupportDB-25 Parallel Connector Pinout Parallel Interface ConnectorPin Signal Function 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 SubsystemHD Audio Link Bus HD Audio ControllerAudio Multistreaming Audio Specifications HD Audio Subsystem SpecificationsParameter Measurement ADC/DACNetwork Interface Controller LAN I/F NICWake-On-LAN Support Power Management SupportAlert Standard Format Support NIC Connector NIC SpecificationsNIC Specifications Parameter Compatibility standard orprotocolIntegrated Graphics Subsystem Functional Description RGBSdram Installed Maximum Memory Allocation GMA 4500 Memory AllocationDisplay Modes Resolution Maximum Refresh Rate Analog Digital MonitorIGC Standard 2D Display Modes Upgrading Analog Monitor Connector Monitor ConnectorsDB-15 Monitor Connector Pinout DisplayPort Connector Pin SignalIntegrated Graphics Subsystem Power Distribution Power and Signal 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 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 Upgrading ROM FlashingChangeable Splash Screen Boot Functions Boot Device OrderNetwork Boot F12 Support Memory Detection and ConfigurationBoot Error Codes Boot Error CodesVisual power LED Audible speaker Meaning Client Management Functions Function ModeClient Management Functions INT15 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 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 Table A-14 Video Graphics Error Messages Probable Cause Audio Error MessagesTable A-15 Audio 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.

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.
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