ASRock Z77 Pro4 manual OC Tweaker Screen

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3.3 OC Tweaker Screen

In the OC Tweaker screen, you can set up overclocking features.

Load Optimized CPU OC Setting

You can use this option to load optimized CPU overclocking settings. Please note that overclocing may cause damage to your CPU and mother- board. It should be done at your own risk and expense.

CPU Configuration

CPU Turbo Ratio

Use this item to change the ratio value of this motherboard.

Host Clock Override (BCLK)

Use this to adjust the host clock (BCLK) frequency. The default value is [Auto].

Spread Spectrum

This item should always be [Auto] for better system stability.

Intel SpeedStep Technology

Intel SpeedStep technology is Intel’s new power saving technology. Pro- cessors can switch between multiple frequencies and voltage points to en- able power saving. The default value is [Enabled]. Configuration options: [Enabled] and [Disabled]. If you install Windows® VistaTM / 7 and want to enable this function, please set this item to [Enabled]. This item will be hid- den if the current CPU does not support Intel SpeedStep technology.

Please note that enabling this function may reduce CPU voltage and lead to system stability or compatibility issues with some power supplies. Please set this item to [Disabled] if above issues occur.

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Contents Z77 Pro4 Disclaimer Copyright NoticeContents Uefi Setup Utility Introduction Package ContentsSpecifications USB3.0 AudioRear Panel I/O Support CD Unique FeatureCertifications HardwareMonitor Page Page Page Motherboard Layout Table for Audio Output Connection I/O PanelLAN Port LED Indications Page Screw Holes Pre-installation PrecautionsCPU Installation Page Installation of CPU Fan and Heatsink Dual Channel Memory Configuration Installation of Memory Modules DimmInstalling a Dimm Expansion Slots PCI and PCI Express Slots Installing an expansion cardCrossFireXTM and Quad CrossFireXTM Operation Guide Installing Two CrossFireXTM-Ready Graphics CardsCrossFire Bridge For Windows 7 / VistaTM OS Driver Installation and SetupFor Windows XP OS Page Dual Monitor Feature Dual Monitor and Surround Display FeaturesFor Windows XP / XP 64-bit OS Surround Display FeatureHdcp Function What is HDCP?For Windows 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS CIR sensors in different angles ASRock Smart Remote Installation GuideDescription Jumpers SetupOnboard Headers and Connectors USB 3.0 Header Besides two default USB System Panel Header Chassis Speaker Header Please connect the chassis ATX 12V Power Connector Please connect an ATX ATX Power ConnectorSerial port Header Serial ATA3 SATA3 Hard Disks Installation Serial ATA Sata / Serial ATA2 SATA2 Hard Disks InstallationHot Plug and Hot Swap Functions for SATA3 HDDs What is Hot Plug Function?What is Hot Swap Function? Hot Plug and Hot Swap Functions for Sata / SATA2 HDDsPoints of attention, before you process the Hot Plug How to Hot Plug a Sata / SATA2 / SATA3 HDD Use 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 FunctionsPage Uefi Menu Bar IntroductionF10 F12 Navigation KeysMain Screen Navigation Keys + / Tab Enter Pgup Pgdn HomeOC Tweaker Screen Intel Turbo Boost Technology Long Duration Power LimitShort Duration Power Limit Dram Timing Configuration Load XMP SettingDram tRP Command Rate CRDram Timing Control Dram tCL Dram tRCDDram tFAW MRC Fast BootVoltage Configuration CPU Core Voltage Dram tRTPUser Defaults Instant Flash Advanced ScreenCPU Configuration Adjacent Cache Line Prefetch Intel Virtualization TechnologyHardware Prefetcher North Bridge Configuration South Bridge Configuration IntelR Rapid Start Technology IntelR Rapid Start TechnologyIntelR Smart Connect Technology IntelR Smart Connect TechnologyStorage Configuration Page Infrared Port Super IO ConfigurationSerial Port Serial Port AddressAcpi Configuration Legacy USB Support USB ConfigurationUSB 2.0 Controller USB 3.0 ControllerOver Temperature Protection CPU Fan 1 & 2 SettingChassis Fan 1 Setting Chassis Fan 2 SettingBoot 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
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