Lenovo ThinkServer TD230 - Microprocessor Problems

•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.ReplacetheDIMMsinstep5onpage18,oneatatime,intheordershown,
restartingtheservereachtime.
MultiplerowsofDIMMsina
branchareidentiedasfailing.
1.ReseattheDIMMs;then,restarttheserver.
2.Replacethelowest-numberedDIMMswithidenticalknowngoodDIMMs;
then,restarttheserver.Repeatasnecessary.Ifthefailurescontinueafterall
identiedpairsarereplaced,gotostep4onpage18.
3.ReturntheremovedDIMMs,onepairatatime,totheiroriginalconnectors,
restartingtheserveraftereachpair,untilapairfails.ReplaceeachDIMMinthe
failedpairwithanidenticalknowngoodDIMM,restartingtheserverafteryou
reinstalleachDIMM.ReplacethefailedDIMM.Repeatstep3onpage18
until
youhavetestedallremovedDIMMs.
4.(Trainedservicetechnicianonly)Replacethesystemboard.
Microprocessorproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
atrainedservicetechnician.
18ThinkServerTD230HardwareMaintenanceManual