Lenovo ThinkServer RD230 Uživatelský manuál Strana 102

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SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
Theamountofsystemmemory
thatisdisplayedislessthan
theamountofinstalledphysical
memory.
1.Makesurethat:
NoerrorLEDsarelitontheoperatorinformationpanelorontheDIMM.
Memorymirroringdoesnotaccountforthediscrepancy.
Thememorymodulesareseatedcorrectly.
Youhaveinstalledthecorrecttypeofmemory.
Ifyouchangedthememory,youupdatedthememorycongurationinthe
SetupUtilityprogram.
Allbanksofmemoryareenabled.Theservermighthaveautomatically
disabledamemorybankwhenitdetectedaproblem,oramemorybank
mighthavebeenmanuallydisabled.
2.CheckthePOSTeventlogforDIMMerrormessages:
IfaDIMMwasdisabledbyasystems-managementinterrupt(SMI),replace
theDIMM.
IfaDIMMwasdisabledbytheuserorbyPOST,runtheSetupUtilityprogram
andenabletheDIMM.
3.Makesurethatthereisnomemorymismatchwhentheserverisattheminimum
memoryconguration.
4.AddonepairofDIMMsatatime,makingsurethattheDIMMsineachpair
arematching.
5.ReseattheDIMMs.
6.ReplacetheDIMMsoneatatimeintheorderandrestarttheservereachtime.
MultiplerowsofDIMMsina
branchareidentiedasfailing.
1.ReseattheDIMMs;then,restarttheserver.
2.Replacethelowest-numberedDIMMswithidenticalknowngoodDIMMs;
then,restarttheserver.Repeatasnecessary.Ifthefailurescontinueafterall
identiedpairsarereplaced,contactatrainedservicetechnicianforhelp.
3.ReturntheremovedDIMMs,onepairatatime,totheiroriginalconnectors,
restartingtheserveraftereachpair,untilapairfails.ReplaceeachDIMMin
thefailedpairwithanidenticalknowngoodDIMM,restartingtheserverafter
youreinstalleachDIMM.ReplacethefailedDIMM.Repeattheseactionsuntil
youhavetestedallremovedDIMMs.
4.(Trainedservicetechnicianonly)Replacethesystemboard.
Microprocessorproblems
FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
90ThinkServerUserGuide
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