Asus P8H77-I manual Memory Frequency Auto, IGPU Max. Frequency, GPU Boost OK, Dram Timing Control

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Target CPU Turbo-Mode Speed : xxxxMHz

Displays the current CPU Turbo-Mode speed.

Target DRAM Speed : xxxxMHz

Displays the current DRAM speed.

2.4.1Memory Frequency [Auto]

Allows you to set the memory operating frequency. Configuration options: [Auto] [DDR3- 1066MHz] [DDR3-1333MHz] [DDR3-1600MHz]

Selecting a very high memory frequency may cause the system to become unstable! If this happens, revert to the default setting.

2.4.2iGPU Max. Frequency [xxx]

Allows you to set the iGPU maximum frequency. The values range from xxxxMHz (by CPU) to 3000MHz with a 50MHz interval. Use <+>/<-> to adjust the value.

2.4.3GPU Boost [OK]

[OK]

Select [OK] to automatically optimize the iGPU frequency.

[Cancel]

Select [Cancel] to use a fixed iGPU frequency.

2.4.4DRAM Timing Control

The sub-items in this menu allow you to set the DRAM timing control features. Use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press <Enter>.

Changing the values in this menu may cause the system to become unstable! If this happens, revert to the default settings.

2.4.5CPU Power Management

The sub-items in this menu allow you to set the CPU ratio and features.

CPU Ratio [Auto]

Allows you to manually adjust the maximum non-turbo CPU ratio. Use <+> and <-> keys or the numeric keypad to adjust the value. The valid value ranges vary according to your CPU model.

Enhanced Intel SpeedStep Technology [Enabled]

Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST).

[Disabled]

Disables this function.

[Enabled]

The operating system dynamically adjusts the processor voltage and

 

core frequency which may result in decreased average consumption and

 

decreased average heat production.

Turbo Mode [Enabled]

This item appears only when you set the previous item to [Enabled].

[Enabled]

Allows processor cores to run faster than marked frequency in specific

 

conditions.

[Disabled]

Disables this function.

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Chapter 2: BIOS information

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Contents Motherboard Copyright 2013 ASUSTeK Computer Inc. All Rights Reserved Offer to Provide Source Code of Certain SoftwareContents Asus Bios Updater CPU Configuration PCH ConfigurationSystem Language English Network StackAnti Surge Support Enabled Operation safety Safety informationElectrical safety How this guide is organized Where to find more informationAbout this guide Bold text Conventions used in this guideTypography P8H77-I specifications summary PCI Express 3.0/2.0 x16 slotBios Welcome Package contentsSpecial features Intel H77 Express Chipset Native Sata 6.0 Gb/s supportComplete USB 3.0 Integration PCIe 3.0 ReadyInnovative Asus features USB 3.0 Boost GPU BoostAsus Q-Fan Asus Fan XpertErP ready LucidLogix Virtu MVPR. CPU Parameter Recall Before you proceed Standby Power LEDStandby Power Powered Off Screw holes Placement directionMotherboard overview Layout contents Motherboard layoutInstalling the CPU To install a CPU Locate the CPU socket on the motherboardCentral Processing Unit CPU Load lever Retention tabLoad plate CPU notches Gold triangle mark Alignment keysInsert the load lever under Retention tabInstalling the CPU heatsink and fan P8H77-I CPU fan connector Uninstalling the CPU heatsink and fanP8H77-I 240-pin DDR3 Dimm sockets System memoryOverview Memory configurations DDR3-2250 MHz capabilityDDR3-2200 MHz capability DDR3-2133 MHz capabilityDDR3-2000 MHz capability DDR3-1866 MHz capabilityDDR3-1600 MHz capability DDR3-1333 MHz capability Vendors Size Chip Brand Chip no Timing Voltage Dimm socket DDR3-1066 MHz capability SS Single-sided / DS Double-sided Dimm supportRemove the Dimm from the socket Installing a DimmRemoving a Dimm Installing an expansion card Configuring an expansion cardExpansion slots PCI Express x16 slotsJumpers Clear RTC RAM 3-pin ClrtcConnectors Rear panel connectorsAudio 2, 4, 6, or 8-channel configuration LAN port LED indicationsAsus P8H77-I Internal connectors P8H77-I Digital audio connectorFront panel audio connector 10-1 pin Aafp P8H77-I Front panel audio connectorCPU, and chassis fan connectors 4-pin CPUFAN, 4-pin Chafan P8H77-I ATX power connectorsATX power connectors 24-pin EATXPWR, 4-pin ATX12V P8H77-ISpeaker Out Connector P8H77-I System panel connectorP8H77-I Sata 3.0Gb/s connectors See .5.3 Sata Configuration for detailsP8H77-I USB3.0 Front panel connector USB 3.0 connector 20-1 pin USB334P8H77-I USB2.0 connector USB connectors 10-1 pin USB78Installing an operating system Click an item to installSoftware support Support DVD informationManaging and updating your Bios Asus Update utilityInstalling Asus Update Updating the BiosAsus EZ Flash To update the Bios using EZ FlashSelect Update Bios from file, then click Next To recover the Bios Asus CrashFree Bios 3 utilityRecovering the Bios Booting the system in DOS environment Asus Bios UpdaterBefore updating Bios Filename Extension Backing up the current BiosTo backup the current Bios file using the Bios Updater Updating the Bios file To update the Bios file using Bios UpdaterEntering Bios Setup after Post Bios setup programEntering Bios Setup at startup Bios menu screen EZ ModeAdvanced Mode Menu itemsBack button Submenu itemsConfiguration fields Pop-up windowScroll bar Navigation keysMain menu System Language EnglishSystem Date Day xx/xx/xxxx System TimeAdministrator Password User PasswordAi Tweaker menu CPU Power Management Memory Frequency AutoIGPU Max. Frequency GPU Boost OKDram Voltage Auto CPU Voltage AutoIGPU Offset Voltage Auto PCH Voltage Auto Advanced menuVccsa Voltage Auto CPU Configuration PCH Configuration Sata ConfigurationSystem Agent Configuration USB Configuration Onboard Devices Configuration7 APM Network StackMonitor menu 12V VoltageCPU Temperature / MB Temperature xxxºC/xxxºF CPU Q-Fan Control EnabledCPU / Chassis Fan Speed xxxx RPM or Ignore / N/A CPU Fan Speed Low Limit 200 RPMChassis Q-Fan Control Enabled Anti Surge Support EnabledOn the chassis temperature CPU Voltage, 3.3V Voltage, 5V Voltage, 12V VoltageBoot menu Bootup NumLock State OnFull Screen Logo Enabled Wait for ‘F1’ If Error EnabledOption ROM Messages Force Bios Setup Mode EZ ModeUEFI/Legacy Boot Enabled both Uefi and Legacy Boot Option PrioritiesTools menu Asus EZ Flash 2 UtilityAsus O.C. Profile Asus SPD InformationExit menu Federal Communications Commission Statement IC Canadian Compliance StatementAsus Recycling/Takeback Services Canadian Department of Communications StatementAddress TelephoneOnline support Support faxDeclaration of Conformity EC Declaration of Conformity