ASRock H77 Pro4-M Dram tRP, Dram tRAS, Command Rate CR, Dram tWR, Dram tRFC, Dram tRRD, Dram tWTR

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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].

Command Rate (CR)

Use this item to change Command Rate (CR) 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 tRFC

Use this item to change Refresh Cyle Time (tRFC) 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 tWTR

Use this item to change Write to Read Delay (tWTR) 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].

ODT WR (CH A)

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

ODT WR (CH B)

Use this item to change ODT WR (CH B) setting. The default is [Auto].

ODT NOM (CH A)

Use this item to change ODT NOM (CH A) setting. The default is [Auto].

ODT NOM (CH B)

Use this item to change ODT NOM (CH B) setting. The default is [Auto].

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Contents H77 Pro4-M Disclaimer Copyright NoticeContents Uefi Setup Utility Introduction Package ContentsSpecifications Rear Panel I/O AudioBios Feature ConnectorUnique Feature USB3.0Monitor HardwareCertifications Page Page Page 24.4cm Motherboard LayoutLAN Port LED Indications I/O PanelTable for Audio Output Connection Page Screw Holes Pre-installation PrecautionsCPU Installation Page Installation of CPU Fan and Heatsink Dual Channel Memory Configuration Installation of Memory Modules DimmNotch break Break Installing a DimmExpansion Slots PCI Express Slots Installing an expansion cardCrossFireXTM and Quad CrossFireXTM Operation Guide Installing Two CrossFireXTM-Ready Graphics CardsCrossFire Bridge For Windows XP OS Driver Installation and SetupFor Windows 7 / VistaTM OS Page Dual Monitor Feature Dual Monitor and Surround Display FeaturesFor Windows XP / XP 64-bit OS Surround Display FeatureFor Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS What is HDCP?Hdcp Function CIR sensors in different angles ASRock Smart Remote Installation GuideDescription Jumpers SetupOnboard Headers and Connectors USB 2.0 Headers Besides four default USB Front Panel Audio Header Chassis Speaker Header Please connect the chassis Supply to this connector ATX Power ConnectorATX 12V Power Connector Serial port Header Serial ATA3 SATA3 Hard Disks Installation Serial ATA Sata / Serial ATA2 SATA2 Hard Disks InstallationWhat is Hot Swap Function? What is Hot Plug Function?Hot Plug and Hot Swap Functions for Sata / SATA2 HDDs Hot Plug and Hot Swap Functions for SATA3 HDDsPoints of attention, before you process the Hot Plug How to Hot Plug a Sata / SATA2 / SATA3 HDD Set up Uefi Driver Installation GuideUse RAID Installation Guide to set RAID configuration Install Windows XP / XP 64-bit OS on your system Installing Windows XP / XP 64-bit Without RAID FunctionsPage Uefi Menu Bar Introduction Main Screen Navigation Keys Navigation Keys + / Tab Enter Pgup Pgdn Home F10 F12OC Tweaker Screen Dram Timing Configuration Load XMP Setting Short Duration Power LimitPrimary Plane Current Limit Secondary Plane Current LimitDram tRP Command Rate CRDram tRAS Dram tWRVoltage Configuration CPU Core Voltage MRC Fast BootUser Defaults CPU Load-Line CalibrationInstant Flash Advanced ScreenCPU Configuration Hardware Prefetcher Intel Virtualization TechnologyAdjacent Cache Line Prefetch North Bridge Configuration South Bridge Configuration IntelR Rapid Start Technology IntelR Rapid Start TechnologyIntelR Smart Connect Technology IntelR Smart Connect TechnologyStorage Configuration Super IO Configuration Acpi Configuration USB 2.0 Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportChassis Fan 1 Setting CPU Fan 1 & 2 SettingChassis Fan 2 Setting Over Temperature ProtectionBoot Screen Security Screen Exit Screen Software Support Installing OS on a HDD Larger Than 2TB in Ahci Mode Installing OS on a HDD Larger Than 2TB in RAID Mode Windows VistaTM 64-bit Page Windows 7 64-bit