•UEFIfirmwarelevel
•IMMfirmwarelevel
•Operatingsystemsoftware
Youcansolvesomeproblemsbycomparingtheconfigurationandsoftwaresetupsbetweenworkingand
nonworkingservers.Whenyoucompareserverstoeachotherfordiagnosticpurposes,considerthem
identicalonlyifallthefollowingfactorsareexactlythesameinalltheservers:
•Machinetypeandmodel
•UEFIfirmwarelevel
•IMMfirmwarelevel
•Adaptersandattachments,inthesamelocations
•Addressjumpers,terminators,andcabling
•Softwareversionsandlevels
•Diagnosticprogramtypeandversionlevel
•Configurationoptionsettings
•Operating-systemcontrol-filesetup
SeeAppendixD“Gettinghelpandtechnicalassistance”onpage705
forinformationaboutcallingLenovo
forservice.
Recoveringtheserverfirmware(UEFIupdatefailure)
Usethisinformationtorecovertheserverfirmware.
Important:Someclustersolutionsrequirespecificcodelevelsorcoordinatedcodeupdates.Ifthedevice
ispartofaclustersolution,verifythatthelatestlevelofcodeissupportedfortheclustersolutionbefore
youupdatethecode.
Iftheserverfirmwarehasbecomecorrupted,suchasfromapowerfailureduringanupdate,youcan
recovertheserverfirmwareinthefollowingway:
•In-bandmethod:Recoverserverfirmware,usingeitherthebootblockjumper(AutomatedBoot
Recovery)andaserverFirmwareUpdatePackageServicePack.
•Out-of-bandmethod:UsetheIMM2webinterfacetoupdatethefirmware,usingthelatestserver
firmwareupdatepackage.
Note:Youcanobtainaserverupdatepackagefromoneofthefollowingsources:
•DownloadtheserverfirmwareupdatefromtheWorldWideWeb.
•ContactyourLenovoservicerepresentative.
TodownloadtheserverfirmwareupdatepackagefromtheWorldWideWeb,goto
http://www.lenovo.com/support.
Theflashmemoryoftheserverconsistsofaprimarybankandabackupbank.Youmustmaintainabootable
UEFIfirmwareimageinthebackupbank.Iftheserverfirmwareintheprimarybankbecomescorrupted,you
caneithermanuallybootthebackupbankwiththeUEFIbootbackupjumper(JP16),orinthecaseofimage
corruption,thiswilloccurautomaticallywiththeAutomatedBootRecoveryfunction.
Chapter4.Troubleshooting143
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