ASRock 990FX Extreme3 Power Down Enable, Bank Interleaving, Channel Interleaving, Command Rate CR

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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].

CAS# Latency (tCL)

Use this item to change CAS# Latency (tCL) Auto/Manual setting. The default is [Auto].

RAS# to CAS# Delay (tRCD)

Use this item to change RAS# to CAS# Delay (tRCD) Auto/Manual setting. The default is [Auto].

Row Precharge Time (tRP)

Use this item to change Row Precharge Time (tRP) Auto/Manual setting. The default is [Auto].

RAS# Active Time (tRAS)

Use this item to change RAS# Active Time (tRAS) Auto/Manual setting. The default is [Auto].

Command Rate (CR)

Use this item to change Command Rate (CR) Auto/Manual setting. Min: 1T. Max: 2T. The default is [Auto].

RAS# Cycle Time (tRC)

Use this item to change RAS# Cycle Time (tRC) Auto/Manual setting. The default is [Auto].

Write Recovery Time (tWR)

Use this item to change Write Recovery Time (tWR) Auto/Manual setting. The default is [Auto].

Refresh Cycle Time (tRFC)

Use this item to change Refresh Cyle Time (tRFC) Auto/Manual setting. The default is [Auto].

RAS to RAS Delay (tRRD)

Use this item to change RAS to RAS Delay (tRRD) Auto/Manual setting. The default is [Auto].

Write to Read Delay (tWTR)

Use this item to change Write to Read Delay (tWTR) Auto/Manual setting. The default is [Auto].

Read to Precharge (tRTP)

Use this item to change Read to Precharge (tRTP) Auto/Manual setting. The default is [Auto].

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Contents 990FX Extreme3 Copyright Notice DisclaimerContents Software Support Package Contents IntroductionSpecifications Unique Feature ConnectorBios Feature Rear Panel I/OCertifications HardwareMonitor See CautionPage Page Page Motherboard Layout LAN 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 RequirementsDriver Installation and Setup For Windows XP / XP 64-bit OS For Slitm mode onlySelect Nvidia Control Panel tab Select Control Panel tabPage CrossFire Bridge Installing Three CrossFireXTM-Ready Graphics Cards CrossFireTM Bridge For Windows XP OS For Windows 7 / VistaTM OSSurround Display Feature \ Surround Display InformationJumpers Setup JumperSetting Clear Cmos JumperOnboard Headers and Connectors 5mm Audio CableInfrared Module Header This header supports an Chassis Speaker Header Please connect the chassis ATX Power Connector Ground pinATX 12V Power Connector Please connect an ATX 12V power supply to this connectorWhat is Hot Swap Function? Serial ATA3 SATA3 Hard Disks InstallationWhat is Hot Plug 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 Installing Windows XP / XP 64-bit With RAID Functions Driver Installation GuideSet up Uefi Use RAID Installation Guide to set RAID configuration \ RAID Installation Guide Make a SATA3 Driver DisketteInstalling Windows XP / XP 64-bit Without RAID Functions Untied Overclocking Technology Introduction Uefi Menu BarTo jump to the Exit Screen or exit the current screen Navigation KeysMain Screen System Time HourMinuteSecondOC Tweaker Screen Processor Maximum Frequency Dram Configuration Dram FrequencyAMD Turbo Core Technology North Bridge Maximum FrequencyCommand Rate CR Power Down EnableRAS# to CAS# Delay tRCD Write Recovery Time tWRVoltage Control Dram Voltage Would you like to save current setting user defaults?Four Activate Window tFAW NB VoltageAdvanced Screen Instant FlashCPU Configuration North Bridge Configuration Primary Graphics AdapterSouth Bridge Configuration Sata IDE Combined Mode Storage ConfigurationSata Mode Sata ControllerSerial Port Address Super IO ConfigurationSerial Port Infrared PortAcpi Configuration Acpi Hpet table USB 3.0 Controller USB ConfigurationUSB 2.0 Controller Legacy USB SupportChassis Fan 2 Setting CPU Fan 1 & 2 SettingChassis Fan 1 Setting Chassis Fan 3 SettingBoot Screen Security Screen Save Changes and Exit Load Uefi DefaultsExit Screen Discard Changes and ExitRunning The Support CD Install Operating SystemSupport CD Information Drivers MenuInstalling OS on a HDD Larger Than 2TB in Ahci Mode Installing OS on a HDD Larger Than 2TB in RAID Mode Drv4E CtrlB5 LangengChoose Usable Physical Drive List to select Raid HDD Page Windows VistaTM 64-bit Page Windows 7 64-bit
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