Lenovo x3650 M5 - Page 286

•Whenmixingmicroprocessorswithdifferentsteppinglevelswithinthesameservermodel,youdonot
havetoinstallthemicroprocessorwithloweststeppinglevelandfeaturesinmicroprocessorsocket1.
•Bothmicroprocessorvoltageregulatormodulesareintegratedonthesystemboard.
•Readthedocumentationthatcomeswiththemicroprocessortodeterminewhetheryouhavetoupdate
theserverfirmware.Todownloadthelatestlevelofserverfirmwareandothercodeupdatesforyour
server,gotohttp://www.lenovo.com/support.
•Themicroprocessorspeedsareautomaticallysetforthisserver;therefore,youdonothavetosetany
microprocessorfrequency-selectionjumpersorswitches.
•Ifthethermal-greaseprotectivecover(forexample,aplasticcaportapeliner)isremovedfromtheheat
sink,donottouchthethermalgreaseonthebottomoftheheatsinkorsetdowntheheatsink.Formore
informationaboutapplyingorworkingwiththermalgrease,see“Thermalgrease”onpage281
.
Note:Removingtheheatsinkfromthemicroprocessordestroystheevendistributionofthethermal
greaseandrequiresreplacingthethermalgrease.
•Toorderanadditionaloptionalmicroprocessor,contactyoursalesrepresentativeorreseller.
Installationtoolhastwosettingsforinstallingtwodifferentsizesofmicroprocessors.Thesettings
thataremarkedonthetoolare“L”forsmallerlowcoremicroprocessors,and“H”forlargerhighcore
microprocessors.
H
Installation tool
Microprocessor
Figure238.Microprocessorinstallationtools
Toreplaceamicroprocessorandheatsink,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”on
page289.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables.
Attention:Whenyouhandlestatic-sensitivedevices,takeprecautionstoavoiddamagefromstatic
electricity.Fordetailsabouthandlingthesedevices,see“Handlingstatic-sensitivedevices”on
page291
.
Step3.Removethetopcover(see“Removingthetopcover”onpage143).
Step4.Removetheairbaffle(see“Removingtheairbaffle”onpage145).
Step5.Ifyouarereplacingmicroprocessor1,removethememorymodulesfromDIMMconnectors6and
7.Ifyouarereplacingmicroprocessor2,removethememorymodulesfromDIMMconnectors18
and19.See“Removingamemorymodule”onpage164
forinstructions.
Step6.Rotatetheheatsinkretentionmodulereleaselevertotheopenposition.
274LenovoSystemx3650M5InstallationandServiceGuide