ASRock 990FX Extreme4 Multiplier/Voltage Change, HT Bus Speed, HT Bus Width, Bank Interleaving

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Multiplier/Voltage Change

This item is set to [Auto] by default. If it is set to [Manual], you may adjust the value of Processor Frequency and Processor Voltage. However, it is recommended to keep the default value for system stability.

HT Bus Speed

This feature allows you selecting Hyper-Transport bus speed. Configura- tion options: [200MHz] to [2000MHz].

HT Bus Width

This feature allows you selecting Hyper-Transport bus width. Configuration options: [8 Bit] and [16 Bit].

DRAM Configuration

DRAM Frequency

If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assigns appropriate frequency automatically.

DRAM Timing Control

Power Down Enable

Use this item to enable or disable DDR power down mode.

Bank Interleaving

Interleaving allows memory accesses to be spread out over banks on the same node, or accross nodes, decreasing access contention.

Channel Interleaving

It allows you to enable Channel Memory Interleaving. Configuration op- tions: [Disabled], [Auto]. The default value is [Auto].

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Contents 990FX Extreme4 Copyright Notice DisclaimerContents Install Operating System Uefi Menu BarCPU Configuration Super IO Configuration Acpi Configuration USB ConfigurationPackage Contents IntroductionSpecifications Smart Switch ConnectorUSB Bios Feature Unique FeatureSupport CD HardwarePage Page Page Motherboard Layout Designed in TaipeiLAN Port LED Indications I/O PanelTable for Audio Output Connection Page Installation Pre-installation PrecautionsCPU Installation Installation of CPU Fan and HeatsinkInstallation of Memory Modules Dimm Dual Channel Memory ConfigurationsInstalling a Dimm Expansion Slots PCI and PCI Express Slots Installing an expansion cardPcie Slots Slitm and Quad Slitm Operation Guide RequirementsFor Windows XP / XP 64-bit OS For Slitm mode only Driver Installation and SetupDouble-click Nvidia Settings icon on your Windows taskbar Select Nvidia Control Panel tab Select Control Panel tabPage CrossFire Bridge Installing Three CrossFireXTM-Ready Graphics Cards CrossFireTM Bridge For Windows XP OS Install the required drivers to your systemFor Windows 7 / VistaTM OS Surround Display Feature \ Surround Display InformationJumper Setting Jumpers SetupClear Cmos Jumper Onboard Headers and Connectors Serial ATA3 Connectors USB 3.0 Header Besides two default USBOptional wireless transmitting USB 2.0 HeadersInternal Audio Connectors This connector allows you CD-ROM, DVD-ROM, TVTuner card, or Mpeg card Front Panel Audio HeaderPower LED Header Please connect the chassis Power LED to this header toIndicate system power status Power offCPU Fan Connectors ATX Power ConnectorATX 12V Power Connector Please connect an ATX Power supply to this connectorFront USB 3.0 Panel Installation Guide Rear USB 3.0 Bracket Installation Guide USB 3.0 PanelSmart Switches 11 Dr. Debug Status Code DescriptionPage Page Page Serial ATA3 SATA3 Hard Disks Installation What is Hot Plug Function?What is Hot Swap Function? Hot Plug and Hot Swap Functions for SATA3 HDDsSATA3 HDD Hot Plug Feature and Operation Guide Points of attention, before you process the Hot PlugHow to Hot Plug a SATA3 HDD Driver Installation Guide Installing Windows XP / XP 64-bit With RAID FunctionsSet up Uefi Make a SATA3 Driver Diskette\ RAID Installation Guide Make a SATA3 Driver Diskette Use RAID Installation Guide to set RAID configurationMake a SATA3 driver diskette by following .16.1 on Installing Windows XP / XP 64-bit Without RAID Functions Untied Overclocking Technology Introduction Uefi Menu BarNavigation Keys Main ScreenTo jump to the Exit Screen or exit the current screen System Time HourMinuteSecondOC Tweaker Screen Dram Timing Control Power Down Enable Multiplier/Voltage ChangeHT Bus Speed HT Bus WidthRAS# to CAS# Delay tRCD Command Rate CRWrite Recovery Time tWR RAS to RAS Delay tRRDWould you like to save current setting user defaults? NB VoltageHT Voltage CPU Load-line calibrationAdvanced Screen Instant FlashCPU Configuration Cool ‘n’ QuietSecure Virtual Machine Enhance Halt State C1ENorth Bridge Configuration Primary Graphics AdapterSouth Bridge Configuration Storage Configuration Onboard IDE & 1394 Controller Hard Disk S.M.A.R.TSuper IO Configuration Acpi Configuration USB Mouse Power On Acpi Hpet tableUSB Configuration USB 2.0 ControllerUSB 3.0 Controller Legacy USB SupportCPU Fan 1 & 2 Setting Chassis Fan 1 SettingChassis Fan 2 Setting Chassis Fan 3 SettingBoot Screen Security Screen Exit Screen Install Operating System Support CD InformationRunning The Support CD Drivers MenuInstalling OS on a HDD Larger Than 2TB
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