•Ensurethatthenewmicroprocessoristhecorrecttypeyourserversupports.See“Features”onpage8.
Whentwomicroprocessorsareinstalled,bothmusthavethesamecorevoltageandcorespeed.
•Useanydocumentationthatcomeswiththemicroprocessoroptionkitandfollowthoseinstructionsin
additiontotheinstructionsinthistopic.
•Yourmicroprocessor,socket,andsocketcovermightlookslightlydifferentfromtheillustrationsinthis
topic.
Toreplacethemicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Iftheserverisinstalledinarackcabinet,removetheserverfromtherackcabinetandplaceitonaflat,
clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomeswiththeserver.
3.Removetheservercover.See“Removingtheservercover”onpage77.
4.Removethecoolingshroud.See“Removingandreinstallingthecoolingshroud”onpage82.
5.Removetheheatsink.See“Installingorreplacingaheatsink”onpage117.
6.Locatethemicroprocessorsocket.Openthesmallhandle2firstbygentlypressingdownthehandlea
littlebitandthenpullingthehandleoutwardtoreleaseitfromthesecuredposition.Then,openthe
othersmallhandle
1inthesameway.
Note:Therearetwomarksonthemicroprocessorretainer.Youneedtoopenthesmallhandlemarked
withfirstandthenyoucanopentheothersmallhandlemarkedwith.
Figure80.Openingthehandles
124ThinkServerRD640UserGuideandHardwareMaintenanceManual