HP 8200 tower manual IGC Memory Allocation with Windows XP, System Memory Installed Pre-allocated

Page 69

Integrated Graphics Subsystem

The total memory allocation is determined by the amount of system memory installed in a system, along with the BIOS settings, operating system, and system load. Table 6-2 shows the pre-allocation memory amounts.

Table 6-2.

IGC Memory Allocation with Windows XP

System Memory Installed

Pre-allocated

DVMT

0.5 GB

32 MB

128 MB

1.0 GB

32 MB

512 MB

 

 

 

1.5 GB

32 MB

768 MB

> 2GB

32 MB

1024 MB

System memory that has been pre-allocated is not seen by the operating system, which will report the total amount of memory installed less the amount of pre-allocated memory.

Systems running Windows Vista or Windows 7 use Protected Audio Video Path (PAVP) to ensure smooth playback of high-definition video by off-loading video decoding from the processor to the IGC. Table 6-3 shows the PAVP memory usage for Windows Vista and Windows 7.

Table 6-3.

IGC Memory Allocation with Windows Vista or Windows 7

 

Available

Total

Shared

System Memory

System

Available

System

Installed

Memory

Graphics Memory [1]

Memory [2]

 

 

 

 

1 GB

952 MB

252 MB

124 MB

2 GB

1976 MB

764 MB

636 MB

4 GB

4024 MB

1759 MB

1631 MB

6 GB

6072 MB

1759 MB

1631 MB

 

 

 

 

8 GB

8120 MB

1759 MB

1631 MB

NOTES:

[1]Total amount of memory available for graphics as reported by the OS.

[2]Shared System Memory (memory dynamically allocated for graphics use).

Both the “Total Available... and “Shared System...” memory amounts will vary depending on each system’s memory configuration.

The integrated graphics controller will use, in standard VGA/SVGA modes, pre-allocated memory as a true dedicated frame buffer. If the system boots with the OS loading the Extreme Graphics drivers, the pre-allocated memory will then be re-claimed by the drivers and may or may not be used in the “extended” graphic modes. However, it is important to note that pre-allocated memory is available only to the integrated graphics controller, not to the OS.

The DVMT function is an enhancement over the Unified Memory Architecture (UMA) of earlier systems. The DVMT of the Q67 Express selects, during the boot process, the maximum graphics memory allocation possible according on the amount of system memory installed:

The actual amount of system memory used in the “extended” or “extreme” modes will increase and decrease dynamically according to the needs of the application. The amount of memory used solely for graphics (video) may be reported in a message on the screen, depending on the operating system and/or applications running on the machine.

For viewing the maximum amount of frame buffer memory available go to the MS Windows Control Panel and select the Display icon, then > Settings > Advanced > Adapter.

Technical Reference Guide

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Contents March Technical Reference GuideTechnical Reference Guide Contents Processor/Memory Subsystem System SupportInput/Output Interfaces Integrated Graphics Subsystem Power and Signal DistributionIndex Error Messages and CodesAbout this Guide IntroductionAdditional Information Sources Online Viewing HardcopyNotational Conventions Serial NumberSpecial Notices ValuesCommon Acronyms and Abbreviations Acronyms and AbbreviationsAcronym or Abbreviation Description CGA Eide IRQ Nvram SDR Uart Introduction Introduction System OverviewHP Uefi Bios FeaturesUsdt SFF CMT Feature Differences by Form FactorSystem Architecture Architectural Differences by Form FactorFunction HP Compaq 8200 Elite Business PC Architecture, Block diagram Chipset Intel Processor SupportSystem Memory Support ComponentsSupport Component Functions Component Name FunctionLegacy Input/Output Interfaces Mass Storage AccommodationsUniversal Serial Bus Interface Network Interface ControllerGraphics Subsystem Audio SubsystemHP ProtectTools Embedded Security Environmental Specifications Factory Configuration SpecificationsPower Supply Electrical Specifications Parameter Operating Non-operatingPhysical Specifications ParameterSFF CMT System Overview Processor/Memory Subsystem Architecture Processor/Memory SubsystemIntel Processor Features Specifications of Supported Intel ProcessorsIntel Processor Processor Changing/Upgrading Memory Subsystem Memory Mapping and Pre-allocation Memory UpgradingMemory Socket Loading Channel B Channel a Socket TotalSystem Memory Map for maximum of 8 gigabytes System Support PCI Bus OverviewPCI 2.3 Bus Operation PCI Express Bus Operation PCI Request/Grant SignalsSoftware/Driver Layer Transaction Protocol LayerOption ROM Mapping PCI Power Management SupportPCI Interrupts Link LayerPCI Connectors PCI 2.3 ConnectorPCI 2.3 Bus Connector Pinout PCIe Bus Connector Pinout PCIe ConnectorsSystem Resources Apic ModeInterrupts ModeDirect Memory Access System Board System Interrupts Pirq ConnectorPCI Interrupt Distribution Clearing 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 PowerLED Beeps Action Required System StatusSystem Operational Status LED Indications Register Map and Miscellaneous Functions Thermal Sensing and CoolingSystem I/O Map Port Function System I/O MapGpio Functions PCH-DO FunctionsSIO Controller Functions System Support Input/Output Interfaces SATA/eSATA Interfaces Pin Sata Connector PinoutSata interface Pin DescriptionESATA interface Optional eSATA Bracket/Cable AssemblyDB-9 Serial Connector Pinout Pin Signal DescriptionSerial Interface Enhanced 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 Interface Connectors Keyboard/Pointing Device Connector PinoutPointing Device Interface Operation USB Signals USB Connector Location see note below Universal Serial Bus InterfacePCH USB Port Mapping USB Connector Pinout USB ConnectorUSB Cable Data USB Cable Length DataPCH-D0 Audio SubsystemHD Audio Controller HD Audio Link BusAudio Multistreaming Audio Specifications HD Audio Subsystem SpecificationsParameter Measurement Network Interface Controller 10. LAN LED IndicationsFunction Activity LED Speed LED Power Management Support NIC ConnectorWake-On-LAN Support NIC Specifications 11. NIC SpecificationsParameter Compatibility standard orprotocol Functional Description Integrated Graphics SubsystemSupported Intel Processor IGC Specifications System Memory Installed Pre-allocated IGC Memory Allocation with Windows XPIGC Memory Allocation with Windows Vista or Windows IGC Supported Resolutions Resolution Analog Digital DisplayPortMaximum Refresh Rate Upgrading Monitor ConnectorsDisplayPort Connector Analog Monitor ConnectorDB-15 Monitor Connector Pinout Pin SignalPower Distribution Power and Signal DistributionUsdt Power Distribution Usdt Power Supply SpecificationsParameter Watt supply Power Supply Unit 4 3 2 2 SFF/MT/CMT Power DistributionMT/CMT 320-Watt Power Supply Unit Specifications SFF 240-Watt Power Supply Unit SpecificationsPower Button Power ControlPower Button Actions Pressed Power Button ResultsPower LED Condition Power LED IndicationsWake Up Events Power ManagementPower Transition OS Restart System Power StatesState System Condition Consumption To S0 by RequiredSignal Distribution System Board Connector, Indicator, and Switch DesignationsDesignator Component function SW1 Shows pinouts of headers used on the system boards Power and Signal Distribution System Bios ROM Flashing UpgradingChangeable Splash Screen Boot Functions Boot Device OrderNetwork Boot F12 Support Boot Error Codes Memory Detection and ConfigurationVisual power LED Audible speaker Meaning Boot Error CodesFunction Mode Client Management FunctionsClient Management Functions INT15 Temperature Status Smbios SupportUSB Legacy Support System ID and ROM TypeManagement Engine Functions Beep/Power LED Codes Error Messages and CodesTable A-1. Beep/Power LED Codes Beeps Power LED Probable CausePower-On Self Test Post Messages Directory. Do not power down system untilProcessing is complete Board For systems with 2 Sata ports Root directory. Do not power down system until Table A-3 System Error Messages Probable Cause System Error MessagesMemory Error Messages Memory Error MessagesTable A-4 Message Probable CauseTable 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 Numerics IndexIndex
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8200 tower specifications

The HP 8200 Tower is a robust desktop computer designed for professional environments, delivering performance and expandability for a variety of business needs. This workstation is part of HP's Elite series, known for its reliability and advanced technologies, making it a sound choice for companies requiring consistent operation.

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Connectivity options are plentiful, with USB 2.0 and USB 3.0 ports, enabling speedy data transfer and peripheral connectivity. Additionally, integrated Gigabit Ethernet offers reliable networking capabilities, essential for seamless communication within a business environment.

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