Lenovo ThinkServer RD340 - Page 56

ToclearCMOS,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Iftheserverisinstalledinarackcabinet,removetheserverfromtherackcabinetandplaceitonaflat,
clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomeswiththeserver.
3.Removetheservercover.See“Removingtheservercover”onpage75.
4.LocatetheClearCMOSjumperonthesystemboard.Then,removeanypartsanddisconnectany
cablesthatmightimpedeyouraccesstothejumper.
5.MovetheclearCMOSjumperfromthedefaultnormalposition(pin1andpin2)totheshort-circuited
position(pin2andpin3).
6.WaitmorethanfivesecondsandthenmovetheClearCMOSjumperbacktothenormalposition
(pin1andpin2).
7.Reinstallanypartsandreconnectanycables.Then,reinstalltheservercover.See“Completingthe
partsreplacement”onpage170.
8.Connecttheservertoanacpowersourceandwaitabout30seconds.Then,turnontheserver.The
BIOSrecoverstothefactorydefaultsettings.
2ThinkServerManagementModuleEnable/Disablejumper
WhentheThinkServerManagementModuleEnable/Disablejumper(hereinafterreferredtoastheTMM
Enable/Disablejumper)isinthedefaultnormalposition(pin1andpin2),theserverneedsabout30seconds
fortheTMMtoinitializewheneveryouconnecttheservertoanacpowersource.Ifyoupressthepower
buttononthefrontpanelduringthisperiod,theserverwillnotstartimmediately;itwillstartaftertheTMM
initializationfinishes.TheTMMfunctionisavailableinthissituation.
IfyoumovetheTMMEnable/Disablejumpertopin2andpin3,theTMMfunctionisnotavailableandthe
serverwillbedirectlyturnedonwhenyoupressthepowerbuttonwithoutwaitingfortheTMMtobeready.
44ThinkServerRD340UserGuideandHardwareMaintenanceManual