ASRock B85iCafe4 manual OC Tweaker Screen, CPU Configuration CPU Ratio, Intel SpeedStep Technology

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B85iCafe4

4.3 OC Tweaker Screen

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

Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.

CPU Configuration

CPU Ratio

The CPU speed is determined by the CPU Ratio multiplied with the BCLK. Increasing the CPU Ratio will increase the internal CPU clock speed without affecting the clock speed of other components.

Intel SpeedStep Technology

Intel SpeedStep technology allows processors to switch between multiple frequen- cies and voltage points for better power saving and heat dissipation.

Intel Turbo Boost Technology

Intel Turbo Boost Technology enables the processor to run above its base operating frequency when the operating system requests the highest performance state.

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Contents Page Disclaimer Copyright NoticeContents Page Introduction Package ContentsCPU SpecificationsLAN Bios Certifica Unique Features ASRock XFast RAM ASRock Crashless BiosASRock OMG Online Management Guard ASRock Internet FlashASRock Interactive Uefi ASRock Fast BootASRock Restart to Uefi ASRock On/Off Play TechnologyASRock Easy Driver Installer ASRock FAN-Tastic TuningUSB2 Motherboard LayoutNo. Description I/O Panel Activity / Link LED Status Description Installation Installing the CPU English English Installing the CPU Fan and Heatsink Dual Channel Memory Configuration Installing Memory Modules DimmEnglish PCI slots Expansion Slots PCI and PCI Express SlotsCLRCMOS1 Jumpers SetupPwrbtn Power Switch Onboard Headers and ConnectorsHeader can support two ports Front Panel Audio Header Pin HDAUDIO1 See p.10, No ATX Power Connector Pin ATXPWR1 See p.10, No Print Port Header Pin LPT1 See p.10, No Running The Support CD Installing DriversDrivers Menu Utilities MenuInstalling A-Tuning TuningUsing A-Tuning Operation ModeXFast RAM ToolsSystem Info OC TweakerTech Service System Requirements Intel Rapid Start TechnologyConfiguring Rapid Start Setup GuideEnglish Using Rapid Start English Intel Smart Connect Technology Installing ASRock Smart Connect Utility Click Apply to enable Smart Connect Using Smart Connect English Configuring Start8 Installing Start8Start8 StyleControl ConfigureAbout DesktopUefi Menu Bar IntroductionEND Navigation KeysUefi Guide Main ScreenActive Page on Entry OC Tweaker Screen CPU Configuration CPU RatioIntel SpeedStep Technology Intel Turbo Boost TechnologyShort Duration Power Limit Long Duration Power LimitGT Voltage Mode Dram Timing Configuration Load XMP SettingRAS# to CAS# Delay tRCD Dram Configuration Dram TweakerDram Reference Clock Dram FrequencyWrite Recovery Time tWR Command Rate CRRAS to RAS Delay tRRD Write to Read Delay tWTRTRDRD TCKETRDRDDR TRDRDDDMRC Fast Boot Command Tri StateFivr Configuration Fivr Switch Frequency Signature Fivr Switch Frequency OffsetCPU Integrated VR Efficiency Mode CPU Integrated VR FaultsVoltage Configuration Dram Voltage CPU Override VoltagePCH 1.05V Voltage Advanced Screen CPU Configuration CPU Thermal Throttling Package C State SupportNo-Execute Memory Protection Intel Virtualization TechnologyChipset Configuration Render Standby Restore on AC/Power LossOnboard HD Audio Front PanelSata Mode Selection Storage ConfigurationSata Aggressive Link Power Management Sata ControllersIntel Rapid Start Technology Intel Smart Connect Technology Super IO Configuration Acpi Configuration USB Mouse Power On RTC Alarm Power OnUSB Keyboard/Remote Power On USB Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportTools Internet Setting Network ConfigurationUefi Download Server Dehumidifier FunctionLoad User Default Dehumidifier CPU Fan SettingSave User Default Chassis Fan 1 Setting CPU Fan 1 & 2 SettingChassis Fan 2 Setting Over Temperature ProtectionFast Boot Boot ScreenBoot From Onboard LAN Setup Prompt TimeoutBoot Failure Guard Count Boot Failure GuardFull Screen Logo AddOn ROM DisplayLaunch Video OpROM Policy Launch PXE OpROM PolicyLaunch Storage OpROM Policy User Password Supervisor PasswordSecure Boot Security ScreenExit Screen Contact Information