Step2.Connectcablestothepowerdistributionboard.
Step3.Installthepowerdistributionboardcover.See“Installingthepowerdistributionboardcover”on
page152.
Step4.Connectthecablestothepowersupplyconnector,microprocessorpowerconnector,andpower
distributionboardconnectoronthesystemboard.See“System-boardconnectors”onpage21
.
Attention:Whenconnectingthecabletothesystemboard,donotgrabthewires.Grabthe
connectortoverticallyconnectthecabletothesystemboard.
Figure94.Connectingthepowercableconnectortothesystemboard
Step5.Completethepartsreplacement.See“Completingthepartsreplacement”onpage172.
Removingthesystemboard
Beforeyoustart,noticethefollowinginformation:
•Afteryoureplacethesystemboard,youmusteitherupdatetheserverwiththelatestfirmwareorrestore
thepre-existingfirmwarethatthecustomerprovidesonaCDimage.Makesurethatyouhavethelatest
firmwareoracopyofthepre-existingfirmwarebeforeyouproceed.
•Whenyoureplacethesystemboard,makesurethatyouremovetheIntegratedManagementModuleII
(IMM2)AdvancedUpgradeandplaceitonthenewsystemboard..
•Beforeyoureplacethesystemboard,makesurethatyoubackupanyFeaturesonDemand(FoD)keys
thatwereenabled.ReactivateFoDafterreplacingthesystemboard.ToactivateFoDandinstallactivation
keysautomatically,refertotheinstructionsintheLenovoFeaturesonDemandUser'sGuide.Todownload
thedocument,gotohttp://www.ibm.com/systems/x/fod/,login,andclickHelp.
Note:Afteryouremovethesystemboard,youneedtoinstallanewone.See“Installingthesystemboard”
onpage157
.
Toremovethesystemboard,dothefollowing:
Step1.Turnofftheserver.Then,disconnectallexternalcablesandremoveallperipheraldevices.
Step2.Removetheservercover.See“Removingtheservercover”onpage88.
Step3.Removetheairbaffle.See“Removingtheairbaffle”onpage90.
Step4.RemovethePCIriser-cardassembly.See“RemovingthePCIriser-cardassembly”onpage93.
Step5.Recordwherethecablesareconnectedtothesystemboard;then,disconnectthem.
Attention:Disengagealllatches,cableclips,releasetabs,orlocksoncableconnectors
beforehand.See“Internalcablerouting”onpage158.Failingtoreleasethembeforeremoving
Chapter7.Removingandinstallingservercomponents155