ASRock X79 Extreme4-M Dram tRP, Dram tRAS, Dram tRFC, Dram tWR, Dram tWTR, Dram tRRD, Dram tRTP

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DRAM tRP

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

DRAM tRAS

Use this item to change RAS# Active Time (tRAS) Auto/Manual setting.

The default is [Auto].

DRAM tRFC

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

DRAM tWR

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

DRAM tWTR

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

DRAM tRRD

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

DRAM tRTP

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

DRAM tFAW

Use this item to change Four Activate Window (tFAW) Auto/Manual set- ting. The default is [Auto].

DRAM tCWL

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

Command Rate (CR)

Use this item to change Command Rate (CR) Auto/Manual setting. Min: 1N. Max: 3N. The default is [Auto].

DRAM Power Down Mode

Use this item to adjust DDR power down mode. Configuration options: [Auto], [Slow] and [Fast]. The default value is [Fast].

ODT WR (CH A)

Use this item to change ODT WR (CH A) Auto/60/120 setting. The default is [Auto].

ODT NOM (CH A)

Use this item to change ODT NOM (CH A) Auto/20/30/40/60/120 setting. The default is [Auto].

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Contents X79 Extreme4-M Disclaimer Copyright NoticeContents Introduction Uefi Menu Bar Uefi Setup UtilityIntroduction Package ContentsSpecifications Smart Switch ConnectorBios Feature USB3.0Support CD Unique FeatureHardware MonitorPage Page Page Motherboard Layout LAN Port LED Indications I/O PanelOff No Link Blinking LinkPage Screw Holes Pre-installation PrecautionsCPU Installation Locate Pin1 and the two orientation key notches With fan operation or contact other components Installation of CPU Fan and HeatsinkInstalling a Dimm Installation of Memory Modules DimmExpansion Slots PCI and PCI Express Slots Installing an expansion cardRequirements Slitm and Quad Slitm Operation GuideASRock SLIBridge Card Double-click Nvidia Settings icon on your Windows taskbar Driver Installation and SetupFor Windows XP / XP 64-bit OS For Slitm mode only Select Control Panel tab Select Nvidia Control Panel tabCrossFireXTM and Quad CrossFireXTM Operation Guide Installing Two CrossFireXTM-Ready Graphics CardsCrossFire Bridge For Windows 7 / VistaTM OS Install the required drivers to your systemFor Windows XP OS \ Surround Display Information Surround Display FeatureCIR sensors in different angles ASRock Smart Remote Installation GuideASRock XFast Charger Operation Guide Clear Cmos Jumper Jumpers SetupDescription Serial Ataii Connectors Onboard Headers and ConnectorsSerial ATA3 Connectors Serial ATA Sata Data CableOptional wireless transmitting USB 3.0 Header Besides two default USBPorts on the I/O panel, there is One USB 3.0 header on thisPower LED to this header to Power LED Header Please connect the chassisIndicate system power status Power offSupply to this connector ATX Power ConnectorATX 12V Power Connector Smart Switches Status Code Description 15 Dr. DebugPage Page Page Serial ATA3 SATA3 Hard Disks Installation What is Hot Swap Function? What is Hot Plug Function?Hot Plug and Hot Swap Functions for Sata / Sataii HDDs Hot Plug and Hot Swap Functions for SATA3 HDDsPoints of attention, before you process the Hot Plug Points of attention, before you process the Hot Unplug Points of attention, before you process the Hot PlugUse RAID Installation Guide to set RAID configuration Driver Installation GuideSet up Uefi Install Windows XP / XP 64-bit OS on your system Installing Windows XP / XP 64-bit Without RAID FunctionsUntied Overclocking Technology Uefi Menu Bar IntroductionMain Screen Navigation KeysNavigation Keys F10OC Tweaker Screen Dram Timing Control Load XMP Setting Turbo Boost Power LimitCore Current Limit Additional Turbo VoltageDram Power Down Mode Command Rate CRDram tRP Dram tRASMemory Power Savings Mode Phase SheddingMemory Test When Fast Boot Memory Fast BootUser Default Load Power Saving ModeVoltage Control CPU Core Voltage CPU Load-Line CalibrationInstant Flash Advanced ScreenSystem Browser CPU Configuration Enhance Halt State C1E CPU Thermal ThrottlingCPU C3 State Support CPU C6 State SupportNorth Bridge Configuration South Bridge Configuration Storage Configuration Use this item to enable or disable the onboard serial port Super IO ConfigurationSerial Port Serial Port AddressAcpi Configuration USB 2.0 Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportME Subsystem Intel ME Subsystem Configuration ME VersionHardware Health Event Monitoring Screen Boot Screen Security Screen Exit Screen Software Support Installing OS on a HDD Larger Than 2TB in Ahci Mode Copy Intel RAID drivers into a USB flash disk Installing OS on a HDD Larger Than 2TB in RAID ModeWindows VistaTM 64-bit Page Windows 7 64-bit