Lenovo ThinkServer TD340 - Memory Module Problems

Symptom
Action
8.Reconnectthebackplanesignalcableandrepeat
step1throughstep4.
9.Ifyoususpectaproblemwiththebackplanesignal
cableorthebackplane:
a.Replacetheaffectedbackplanesignalcable.
b.Replacetheaffectedbackplane.
Multipleharddiskdrivesfail.1.Ifyouhaveanydiagnosticprograms,runthe
diagnosticprogramstotesttheharddiskdrives.
2.Ensurethatthecableconnectioniscorrect.See
“Connectingthecables”onpage43.
3.Reconnectthepowercable.
4.Reconnectthesignalcable.
5.Replacetheaffectedsignalcables.
6.Forhot-swapharddiskdrives,ifyoususpecta
problemwiththebackplane,replacetheaffected
backplane.
Memorymoduleproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage203
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.Iftheproblemstillcannot
besolved,seektechnicalassistance.SeeChapter8“Gettinginformation,help,andservice”onpage209.
Notes:
1.Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter6
“Installing,removing,orreplacinghardware”onpage83.
2.Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thisactionstepisreservedfora
trainedservicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
Symptom
Action
Theamountofsystemmemorythatisdisplayedisless
thanthetotalcapacityoftheinstalledphysicalmemory
modulesandyoususpectamemorymoduleproblem.
1.Ensurethat:
•Allmemorymodulesarethecorrecttype
supportedbytheserver.See“Features”onpage
7.
•Youfollowthememorymoduleinstallationrules.
See“Memorymoduleinstallationrules”onpage
93.
•Allmemorymodulesareseatedcorrectlyand
securely.
•Thesystemfirmwareisup-to-date.
2.Ifyouhaveanydiagnosticprograms,runthe
diagnosticprogramstotestthememorymodules.
3.Reinstallthememorymodules.
4.Replacethesuspectmemorymodules.
5.(Trainedservicetechnicianonly)Replacethesystem
board.
Chapter7.Troubleshootinganddiagnostics207