ASRock 970 Extreme4 manual CAS# Latency tCL, RAS# to CAS# Delay tRCD, Row Precharge Time tRP

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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 Cyle 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].

Four Activate Window (tFAW)

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

Voltage Control

DRAM Voltage

Use this to select DRAM Voltage. The default value is [Auto].

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Contents Extreme4 Copyright Notice DisclaimerContents Install Operating System Uefi Menu BarCPU Conf guration Super IO Conf guration Acpi Conf guration USB Conf gurationPackage Contents IntroductionSpecifications Connector Smart SwitchBios Feature Rear Panel I/OUnique Feature Support CDHardware MonitorPage Page Page Motherboard Layout SocketLAN Port LED Indications I/O PanelTable for Audio Output Connection Pri Installation Pre-installation PrecautionsInstallation of CPU Fan and Heatsink CPU InstallationTo indicate that it is locked Dual Channel Memory Configurations Installation of Memory Modules DimmBlue Slot Installing a Dimm Expansion Slots PCI and PCI Express Slots Installing an expansion cardPcie Slots Slitm Operation Guide RequirementsDouble-click Nvidia Settings icon on your Windows taskbar Driver Installation and SetupFor Windows XP / XP 64-bit OS Select Nvidia Control Panel tab For Windows VistaTM / VistaTM 64-bit / 7 / 7 64-bit OSSelect Control Panel tab Page 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 InformationASRock Smart Remote Installation Guide CIR sensors in different anglesJumper Setting Jumpers SetupClear Cmos Jumper Onboard Headers and Connectors Serial ATA3 ConnectorsUSB 2.0 Headers Are three USB 2.0 headers onUSB 3.0 Header Besides two default USB Optional wireless transmittingOne USB 3.0 header on this Motherboard. This USBSeveral system front panel System Panel HeaderFunctions Power LED Header Please connect the chassis Power LED to this header toIndicate system power status Power offATX Power Connector Please connect an ATX power Supply to this connectorATX 12V Power Connector Ieee 1394 Header Besides one default IeeeSmart Switches 12 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 Installing Windows XP / XP 64-bit With RAID Functions Driver Installation GuideSet up Uefi Use RAID Installation Guide to set RAID configuration \ RAID Installation GuideInstalling Windows XP / XP 64-bit Without RAID Functions Untied Overclocking Technology Uefi Menu Bar IntroductionOperating System Navigation Keys Main Screen To 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 Vdda VoltageAdvanced Screen Instant FlashCPU Configuration Cool ‘n’ QuietSecure Virtual Machine Enhance Halt State C1ENorth Bridge Configuration Primary Graphics AdapterSouth Bridge Configuration Storage Configuration Sata ModeSata IDE Combined Mode Sata ControllerSuper IO Configuration Serial PortSerial Port Address Infrared PortAcpi 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