Lenovo ThinkServer RD350 - Memory Module Problems

•ThestatusLEDsoneachhot-swapharddiskdrivehelpyoueasilyidentifyaproblem.See“Hot-swap-drive
statusLEDs”onpage36
.
Symptom
Action
Anewlyinstalledhot-swapharddiskdriveisnot
recognized.
1.Ensurethatthedriveisinstalledintothecorrectdrive
bay.
2.Restarttheserver.
3.Removethedrivefromthebay,wait45seconds,
andreinsertthedriveintothebay,makingsurethat
thedriveconnectstothehot-swaphard-disk-drive
backplane.
4.Runanydiagnosticprogramstotesttheharddisk
driveifyouhave.
5.Ensurethatthehot-swaphard-disk-drivebackplane
iscorrectlyseated.Whenitiscorrectlyseated,
thedriveassembliescorrectlyconnecttothe
backplanewithoutbowingorcausingmovementof
thebackplane.
6.Ensurethatthecableconnectioniscorrect.See
“Connectingthecables”onpage37
.
7.Reconnectthebackplanepowercableandrepeat
step1throughstep4.
8.Reconnectthebackplanesignalcableandrepeat
step1throughstep4.
9.Ifyoususpectaproblemwiththebackplanesignal
cableorthebackplane:
a.Replacetheaffectedbackplanesignalcable.
b.Replacetheaffectedbackplane.
Multipleharddiskdrivesfail.
1.Ensurethatthecableconnectioniscorrect.See
“Connectingthecables”onpage37.
2.Reconnectthepowercables.
3.Reconnectthesignalcables.
4.Replacetheaffectedsignalcables.
5.Ifyoususpectaproblemwiththebackplane,replace
theaffectedbackplane.
Memorymoduleproblems
Followthesuggestedactionsforthecorrespondingsymptomintheorderinwhichtheyarelisteduntilthe
problemissolved.Ifnoneoftheseactionssolvetheproblem,see“Troubleshootingprocedure”onpage135
forthesubsequentstepsyoushouldcheckafterusingtheinformationinthistopic.Iftheproblemstillcannot
besolved,seektechnicalassistance.SeeChapter8“Gettinginformation,help,andservice”onpage141
.
Notes:
•Ifyouareinstructedtoremove,install,orreplaceanyCRUs,refertotherelatedprocedureinChapter
6“Replacinghardware”onpage53
.
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thisactionstepisreservedforatrained
servicetechnicianandmustbeperformedonlybyatrainedservicetechnician.
138ThinkServerRD350UserGuideandHardwareMaintenanceManual