Lenovo ThinkServer RD240 - Microprocessor Problems; Monitor Problems

•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeethepartslistinginChapter8“Partslisting,RD240Types1045,1046,1047,and1048”onpage93to
determinewhichcomponentsarecustomerreplaceableunits(CRUs)andwhichcomponentsareeld
replaceableunits(FRUs).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
3.ReturntheremovedDIMMs,onepairatatime,totheiroriginalconnectors,
restartingtheserveraftereachpair,untilapairfails.ReplaceeachDIMMinthe
failedpairwithanidenticalknowngoodDIMM,restartingtheserverafteryou
reinstalleachDIMM.ReplacethefailedDIMM.Repeatstep3onpage17
until
youhavetestedallremovedDIMMs.
4.(Trainedservicetechnicianonly)Replacethesystemboard.
Microprocessorproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeethepartslistinginChapter8“Partslisting,
RD240Types1045,1046,1047,and1048”onpage93to
determinewhichcomponentsarecustomerreplaceableunits(CRUs)andwhichcomponentsareeld
replaceableunits(FRUs).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
Theserveremitsacontinuous
beepduringthePOST,
indicatingthatthestartup
(boot)microprocessorisnot
workingcorrectly.
1.Makesurethattheserversupportsallthemicroprocessorsandthatthe
microprocessorsmatchinspeedandcachesize.
2.(Trainedservicetechnicianonly)Reseatmicroprocessor1.
3.(Trainedservicetechnicianonly)Ifthereisnoindicationofwhichmicroprocessor
hasfailed,isolatetheerrorbytestingwithonemicroprocessoratatime.
4.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.(Trainedservicetechnicianonly)Microprocessor2
b.VRM2
c.(Trainedservicetechnicianonly)Systemboard
5.(Trainedservicetechnicianonly)Ifmultipleerrorcodesindicateamicroprocessor
error,reversethelocationsoftwomicroprocessorstodeterminewhetherthe
errorisassociatedwithamicroprocessororwithamicroprocessorsocket.
•Iftheerrorisassociatedwithamicroprocessor,replacethemicroprocessor.
•IftheerrorisassociatedwithaVRM,replacetheVRM.
•Iftheerrorisassociatedwithamicroprocessorsocket,replacethesystem
board.
Monitorproblems
Somemonitorshavetheirownself-tests.Ifyoususpectaproblemwithyourmonitor,seethedocumentation
thatcomeswiththemonitorforinstructionsfortestingandadjustingthemonitor.
Chapter5.Diagnostics17