ASRock Version 1.0 Dram RAS# Precharge, Dram RAS# Activate to Precharge, Primary Graphics Adapter

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DRAM RAS# Precharge

This controls the idle clocks after a precharge command is issued. Con- figuration options: [Auto], [3 DRAM Clocks], [4 DRAM Clocks], [5 DRAM Clocks] and [6 DRAM Clocks].

DRAM RAS# Activate to Precharge

This controls the number of DRAM clocks for TRAS. Configuration options: Configuration options: [Auto], [9 DRAM Clocks], [10 DRAM Clocks], [11 DRAM Clocks], [12 DRAM Clocks], [13 DRAM Clocks], [14 DRAM Clocks] and [15 DRAM Clocks].

Primary Graphics Adapter

This allows you to select [Onboard], [PCI] or [PCI Express] as the boot graphic adapter priority. The default value is [PCI].

Internal Graphics Mode Select

If you select [Auto], the onboard VGA will be automatically disabled when you install VGA card; the onboard VGA will be enabled without the installation of any add-on VGA card. If you select [Enabled, 8MB] or [Enabled, 1MB], the onboard VGA will be enabled.

DVMT Mode Select

Use this option to adjust DVMT mode. Configuration options: [Fixed Mode] and [DVMT Mode]. The default value is [DVMT Mode]. DVMT (Dynamic Video Memory Technology) is an architecture that offers breakthrough performance for the motherboard through efficient memory utilization. In Fixed mode, a fixed-size fragment of the system memory is allocated to the graphics core. In DVMT mode, the graphics driver allocates memory as needed for running graphics applications and is cooperatively using this memory with other system components. This item will not be used under Windows® VistaTM OS because the driver will intelligently detect physical memory available and allocate necessary video memory.

DVMT/FIXED Memory

You are allowed to adjust the shared memory size in this item if you set DVMT Mode Select as [DVMT Mode]. Configuration options: [128MB], [256MB] and [Maximum DVMT]. The option [Maximum DVMT] only appears when you adopt the memory module with 1024MB or above.

OnBoard HD Audio

Select [Auto], [Enabled] or [Disabled] for the onboard HDAudio feature. If you select [Auto], the onboard HD Audio will be disabled when PCI Sound Card is plugged.

Front Panel

Select [Auto], [Enabled] or [Disabled] for the onboard HD Audio Front Panel.

OnBoard Lan

This allows you to enable or disable the “OnBoard Lan” feature.

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Contents 4Core1600-D800 Copyright Notice DisclaimerContents Software Support Package Contents IntroductionSpecifications Support CD ConnectorBios Feature HardwarePage CPU Motherboard Layout ATXPWR1ASRock 6CH I/O For Windows XPPre-installation Precautions Screw HolesCPU Installation Page Installation of CPU Fan and Heatsink Installation of Memory Modules Dimm Installing a DimmInstalling an expansion card Expansion Slots PCI and PCI Express SlotsJumpers Setup PS2USBPWR1Onboard Headers and Connectors IDE1USB 2.0 Headers Chassis Speaker Header ATX Power Connector Sataii Hard Disk Setup Guide Western DigitalDriver Installation Guide Untied Overclocking TechnologyBios Menu Bar Navigation Keys Main ScreenAdvanced Screen CPU Configuration Enhance Halt State Ratio StatusRatio Actual Value Max Cpuid Value LimitChipset Configuration Dram RAS# Precharge Internal Graphics Mode SelectDvmt Mode Select Dram RAS# Activate to PrechargeNB Core Voltage Dram Rcomp SettingDram Voltage VTT VoltageAcpi Configuration Acpi Hpet Table IDE ConfigurationATA/IDE Configuration Combined OptionPIO Mode IDE Device ConfigurationLBA/Large Mode Block Multi-Sector TransferPCIPnP Configuration OnBoard Floppy Controller Floppy ConfigurationSuper IO Configuration Serial Port AddressParallel Port Address Parallel Port ModeECP Mode DMA Channel EPP VersionUSB 2.0 Support USB Controller EnabledUSB Controller Legacy USB SupportCPU Quiet Fan Target CPU TemperatureHardware Health Event Monitoring Screen Target Fan SpeedMain Advanced Monitor Boot ScreenBoot Settings Configuration Security ExitBoot Up Num-Lock Boot Settings ConfigurationBoot From Onboard LAN Security ScreenSave Changes and Exit Load Optimal DefaultsExit Screen Discard Changes and ExitRunning The Support CD Install Operating SystemSupport CD Information Drivers Menu