Chapter 5: BIOS Setup
5-6
5.2 BIOS setup program
Thismotherboardsupportsaprogrammablermwarechipthatyoucanupdateusingthe
provided utility described in section
5.1 Managing and updating your BIOS
.
UsetheBIOSSetupprogramwhenyouareinstallingamotherboard,reconguringyour
system,orpromptedto“RunSetup.”Thissectionexplainshowtocongureyoursystem
using this utility.
EvenifyouarenotpromptedtousetheSetupprogram,youcanchangethecongurationof
yourcomputerinthefuture.Forexample,youcanenablethesecuritypasswordfeatureor
changethepowermanagementsettings.Thisrequiresyoutorecongureyoursystemusing
the BIOS Setup program so that the computer can recognize these changes and record them
intheCMOSRAMofthermwarechip.
ThermwarechiponthemotherboardstorestheSetuputility.Whenyoustartupthe
computer,thesystemprovidesyouwiththeopportunitytorunthisprogram.Press<Del>
duringthePower-OnSelf-Test(POST)toentertheSetuputility;otherwise,POSTcontinues
with its test routines.
IfyouwishtoenterSetupafterPOST,restartthesystembypressing<Ctrl>+<Alt>+<Delete>,
or by pressing the reset button on the system chassis. You can also restart by turning the
systemoffandthenbackon.Dothislastoptiononlyifthersttwofailed.
TheSetupprogramisdesignedtomakeitaseasytouseaspossible.Beingamenu-driven
program,itletsyouscrollthroughthevarioussub-menusandmakeyourselectionsfromthe
availableoptionsusingthenavigationkeys.
• ThedefaultBIOSsettingsforthismotherboardapplyformostconditionstoensure
optimum performance. If the system becomes unstable after changing any BIOS
settings,loadthedefaultsettingstoensuresystemcompatibilityandstability.Press
<F5> and select
Yes
to load the BIOS default settings.
• TheBIOSsetupscreensshowninthissectionareforreferencepurposesonly,and
may not exactly match what you see on your screen.
• VisittheASUSwebsite(www.asus.com)todownloadthelatestBIOSleforthis
motherboard.
Thesystemthenrunsthepower-onself-testorPOST.Whilethetestsarerunning,theBIOS
beeps or additional messages appear on the screen. If you do not see anything within 30
secondsfromthetimeyouturnedonthepower,thesystemmayhavefailedapower-ontest.
Checkthejumpersettingsandconnectionsorcallyourretailerforassistance.Thefollowing
shows the possible beep codes and its corresponding error condition.
BIOS Beep codes
Beep Error condition
1 short Power supply surges detected during the previous power on.
1 short No Keyboard Detected.
1short,2short No DIMM Detected.
1short,8short No VGA Detected.
2 long Chassis Intrusion.
2 long BIOS-image Crash Detected.