Asus P8H77I, P8H77-I manual Jumpers, Clear RTC RAM 3-pin Clrtc

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1.9Jumpers

1.Clear RTC RAM (3-pin CLRTC)

This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.

I-P8H77

CLRTC

 

3

2

2

1

 

Normal

Clear RTC

(Default)

 

P8H77-I Clear RTC RAM

To erase the RTC RAM:

1.Turn OFF the computer and unplug the power cord.

2.Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2.

3.Plug the power cord and turn ON the computer.

4.Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!

• If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.

You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut down and reboot the system, then the BIOS automatically resets parameter settings to default values.

ASUS P8H77-I

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Contents Motherboard Offer to Provide Source Code of Certain Software Copyright 2013 ASUSTeK Computer Inc. All Rights ReservedContents CPU Configuration PCH Configuration Asus Bios UpdaterSystem Language English Network StackAnti Surge Support Enabled Safety information Electrical safetyOperation safety Where to find more information About this guideHow this guide is organized Conventions used in this guide TypographyBold text PCI Express 3.0/2.0 x16 slot P8H77-I specifications summaryBios Package contents Special featuresWelcome Native Sata 6.0 Gb/s support Intel H77 Express ChipsetComplete USB 3.0 Integration PCIe 3.0 ReadyInnovative Asus features GPU Boost USB 3.0 BoostAsus Q-Fan Asus Fan XpertLucidLogix Virtu MVP R. CPU Parameter RecallErP ready Standby Power LED Standby Power Powered OffBefore you proceed Placement direction Motherboard overviewScrew holes Motherboard layout Layout contentsTo install a CPU Locate the CPU socket on the motherboard Installing the CPUCentral Processing Unit CPU Load lever Retention tabCPU notches Gold triangle mark Alignment keys Load plateRetention tab Insert the load lever underInstalling the CPU heatsink and fan Uninstalling the CPU heatsink and fan P8H77-I CPU fan connectorSystem memory OverviewP8H77-I 240-pin DDR3 Dimm sockets DDR3-2250 MHz capability Memory configurationsDDR3-2133 MHz capability DDR3-2200 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 SS Single-sided / DS Double-sided Dimm support DDR3-1066 MHz capabilityInstalling a Dimm Removing a DimmRemove the Dimm from the socket Configuring an expansion card Installing an expansion cardExpansion slots PCI Express x16 slotsClear RTC RAM 3-pin Clrtc JumpersRear panel connectors ConnectorsAudio 2, 4, 6, or 8-channel configuration LAN port LED indicationsAsus P8H77-I P8H77-I Digital audio connector Internal connectorsFront panel audio connector 10-1 pin Aafp P8H77-I Front panel audio connectorP8H77-I ATX power connectors ATX power connectors 24-pin EATXPWR, 4-pin ATX12VCPU, and chassis fan connectors 4-pin CPUFAN, 4-pin Chafan P8H77-I System panel connector P8H77-ISpeaker Out ConnectorSee .5.3 Sata Configuration for details P8H77-I Sata 3.0Gb/s connectorsUSB 3.0 connector 20-1 pin USB334 P8H77-I USB3.0 Front panel connectorUSB connectors 10-1 pin USB78 P8H77-I USB2.0 connectorClick an item to install Installing an operating systemSoftware support Support DVD informationAsus Update utility Managing and updating your BiosInstalling Asus Update Updating the BiosTo update the Bios using EZ Flash Select Update Bios from file, then click NextAsus EZ Flash Asus CrashFree Bios 3 utility Recovering the BiosTo recover the Bios Asus Bios Updater Before updating BiosBooting the system in DOS environment Backing up the current Bios To backup the current Bios file using the Bios UpdaterFilename Extension To update the Bios file using Bios Updater Updating the Bios fileBios setup program Entering Bios Setup at startupEntering Bios Setup after Post EZ Mode Bios menu screenMenu items Advanced ModeBack button Submenu itemsPop-up window Configuration fieldsScroll bar Navigation keysSystem Language English Main menuSystem Date Day xx/xx/xxxx System TimeUser Password Administrator PasswordAi Tweaker menu Memory Frequency Auto CPU Power ManagementIGPU Max. Frequency GPU Boost OKCPU Voltage Auto IGPU Offset Voltage AutoDram Voltage Auto Advanced menu Vccsa Voltage AutoPCH Voltage Auto CPU Configuration Sata Configuration PCH ConfigurationSystem Agent Configuration Onboard Devices Configuration USB ConfigurationNetwork Stack 7 APM12V Voltage Monitor menuCPU Q-Fan Control Enabled CPU Temperature / MB Temperature xxxºC/xxxºFCPU / Chassis Fan Speed xxxx RPM or Ignore / N/A CPU Fan Speed Low Limit 200 RPMAnti Surge Support Enabled Chassis Q-Fan Control EnabledOn the chassis temperature CPU Voltage, 3.3V Voltage, 5V Voltage, 12V VoltageBootup NumLock State On Boot menuFull Screen Logo Enabled Wait for ‘F1’ If Error EnabledSetup Mode EZ Mode Option ROM Messages Force BiosUEFI/Legacy Boot Enabled both Uefi and Legacy Boot Option PrioritiesAsus EZ Flash 2 Utility Tools menuAsus O.C. Profile Asus SPD InformationExit menu IC Canadian Compliance Statement Federal Communications Commission StatementCanadian Department of Communications Statement Asus Recycling/Takeback ServicesTelephone AddressOnline support Support faxEC Declaration of Conformity Declaration of Conformity