
BeepSymptomFRU/Action
1longand3shortbeepsKeyboarderror
Performthefollowingactionsinorder.
1.Makesurethekeyboardisproperlyconnectedtothe
keyboardconnector.
2.Replacethekeyboard.
3.Replacethesystemboard.
1longand9shortbeepsBIOSROMerror
Performthefollowingactionsinorder.
1.StarttheSetupUtilityprogramandpressF7toload
defaultsandthenpressF10toSaveandexit.See
Chapter8“Conguringtheserver”onpage77
.
2.PerformaBootblockrecovery.See“Recovering
fromaPOST/UEFIupdatefailure”onpage83.
3.Replacethesystemboard.
ContinuoslongbeepsDRAMmemoryerror
Performthefollowingactionsinorder.
1.Makesurethememorymodule(s)areproperlyseated
intheconnector(s).
2.Replacethememorymodule(s).
3.Replacethesystemboard.
POSTerrorcodes
Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem
andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing
operations.
•Checkssomebasicsystem-boardoperations
•Checksthememoryoperation
•Startsthevideooperation
•Veriesthatthebootdriveisworking
IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral
errormessagestoappear.Whenyoucorrectthecauseofthersterrormessage,theothererrormessages
probablywillnotappearonthescreenthenexttimeyouturnonthesystem.
POSTErrorMessageDescription/Action
CMOSbatteryfailedTheCMOSbatteryisnolongerfunctional.
Replacethebattery.
CMOSchecksumerror-defaultsloadedChecksumofCMOSisincorrect.
Thecomputerloadsthedefaultcongurationsettings.
ThiserrormightindicatethatCMOShasbecomecorrupt
duetoaweakCMOSbattery.
CPUatnnnn
nnnnistherunningspeedofthemicroprocessor.
PressEsctoskipmemorytest
PressingEscskipsthefullmemorytest
Chapter4.Diagnostics17
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