Instructions

Chapter 2 BIOS Setup
BIOS(Basic Inputand Output System)records hardwareparameters of thesystem inthe CMOS onthe
motherboard.ItsmajorfunctionsincludeconductingthePower-OnSelf-Test(POST)duringsystemstartup,
saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that allows
theusertomodifybasicsystemcongurationsettingsortoactivatecertainsystemfeatures.
When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to
keepthecongurationvaluesintheCMOS.
ToaccesstheBIOSSetupprogram,pressthe<Delete>keyduringthePOSTwhenthepoweristurnedon.
ToupgradetheBIOS,useeithertheGIGABYTEQ-Flashor@BIOSutility.
• Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system.
• @BIOSisaWindows-basedutilitythatsearchesanddownloadsthelatestversionofBIOSfromtheInternet
and updates the BIOS.
• BecauseBIOSashingispotentiallyrisky,ifyoudonotencounterproblemsusingthecurrentversionofBIOS,
itisrecommendedthatyounotashtheBIOS.ToashtheBIOS,doitwithcaution.InadequateBIOSashing
may result in system malfunction.
• Itisrecommendedthatyounotalterthedefaultsettings(unlessyouneedto)topreventsysteminstabilityorother
unexpected results. Inadequately altering the settings may result in system's failure to boot. If this occurs, try to
cleartheCMOSvaluesandresettheboardtodefaultvalues.(Refertothe"LoadOptimizedDefaults"sectionin
thischapterorintroductionsofthebattery/clearCMOSjumperinChapter1forhowtocleartheCMOSvalues.)
2-1 Startup Screen
The following startup Logo screen will appear when the computer boots.
(SampleBIOSVersion:F1b)
• When the system is not stable as usual, select the Load Optimized Defaults item to set your system to its defaults.
• The BIOS Setup menus described in this chapter are for reference only and may differ by BIOS version.
Function Keys
TherearetwodifferentBIOSmodesasfollowsandyoucanusethe<F2>keytoswitchbetweenthetwomodes.
The Classic Setup mode provides detailed BIOS settings. You can press the arrow keys on your keyboard to move
amongtheitemsandpress<Enter>toacceptorenterasub-menu.Oryoucanuseyourmousetoselectthe
item you want. Easy Mode allows users to quickly view their current system information or to make adjustments
foroptimumperformance.InEasyMode,youcanuseyourmousetomovethroughcongurationitems.
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