Lenovo x3250 m6 - Page 162

Step6.Removethemicroprocessor.
a.Openthemicroprocessorretentionlatchbygentlypressingdownthehandlealittlebitand
thenpushingthehandleoutward.
b.Openthemicroprocessorbracket.Keepthebracketintheopenposition.
c.Holdthemicroprocessorbyitsedgesandcarefullyliftthemicroprocessorstraightupandout
ofthesocket.
Attention:Handlethemicroprocessorcarefully.Droppingthemicroprocessorduringremovalcan
damagethecontacts.Inaddition,contaminantsonthemicroprocessorcontacts,suchasoilfrom
yourskin,cancauseconnectionfailuresbetweenthecontactsandthesocket.
Figure85.Microprocessorremoval
Step7.Placethemicroprocessoronastatic-protectivesurface.
Attention:Thepinsonthesocketsarefragile.Anydamagetothepinsmightrequirereplacingthe
systemboard.
Installingthemicroprocessorandheatsink(Trainedtechnicianonly)
Thefollowingnotesdescribethetypeofmicroprocessorthattheserversupportsandotherinformationthat
youmustconsiderwhenyouinstallamicroprocessorandheatsink:
•TheserversupportsoneIntellandgridarray(LGA)1151dual-coreorquad-coremicroprocessor.The
type,speed,andL3cacheofthemicroprocessordependsontheservermodel.
•Readthedocumentationthatcomeswiththemicroprocessortodeterminewhetheryouhave
toupdatetheserverfirmware.Todownloadthemostcurrentlevelofserverfirmware,goto
http://www.lenovo.com/supportandhttp://www.ibm.com/support/fixcentral.
•Themicroprocessorusesanintegratedvoltageregulatoronthesystemboard.
•Themicroprocessorspeedsareautomaticallysetforthisserver;therefore,youdonothavetosetany
microprocessorfrequency-selectionjumpersorswitches.
•Ifthethermal-greaseprotectivecover(forexample,aplasticcaportapeliner)isremovedfromtheheat
sink,donottouchthethermalgreaseonthebottomoftheheatsinkorsetdowntheheatsink.Formore
informationaboutapplyingorworkingwiththermalgrease,see“Thermalgrease”onpage150
.
148LenovoSystemx3250M6InstallationandServiceGuide