Asus B85-PRO Specifications download pdf (Page 26)

1-18

Chapter 1: Product introduction

1.6 Jumpers

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.

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.

• 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.

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!

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Asus B85-PRO Specifications Page 26