•Microprocessorsaretobeinstalledonlybytrainedtechnicians.
Important:Alwaysusethemicroprocessorinstallationtooltoinstallamicroprocessor.Failingtouse
themicroprocessorinstallationtoolmaydamagethemicroprocessorsocketsonthesystemboard.Any
damagetothemicroprocessorsocketsmayrequirereplacingthesystemboard.
•TheserversupportscertainIntelXeonscalablemulti-coremicroprocessors,whicharedesignedfor
theLGA2011socket.Thesemicroprocessorsare64-bitdual-coreorquad-coremicroprocessors
withanintegratedmemorycontroller,quick-pathinterconnect,andsharedlastcache.See
http://www.lenovo.com/serverproven/foralistofsupportedmicroprocessors.
•Donotmixmicroprocessorswithdifferentcoresinthesameserver.
•Theserversupportsuptotwomicroprocessorswhenthemicroprocessor2expansionboardisinstalled.
Note:Microprocessor2expansionboardissupportedwhenthesecondmicroprocessorisinstalled.
•Whentwomicroprocessorsareinstalled,theairbaffleandfan2mustbeinstalledtoprovideproper
systemcooling.
•Whenyouinstallthesecondmicroprocessor,youmustalsoinstalladditionalmemory,theairbaffle,and
fan2.See“Memorymoduleinstallation”onpage60
fordetailsabouttheinstallationsequence.
•Toensureproperserveroperationwhenyouinstallanadditionalmicroprocessor,usemicroprocessors
thathavethesameQuickPathInterconnect(QPI)linkspeed,integratedmemorycontrollerfrequency,core
frequency,powersegment,internalcachesize,andtype.
•Mixingmicroprocessorsofdifferentsteppinglevelswithinthesameservermodelissupported.
•Whenmixingmicroprocessorswithdifferentsteppinglevelswithinthesameservermodel,youdonot
havetoinstallthemicroprocessorwithloweststeppinglevelandfeaturesinmicroprocessorsocket1.
•Readthedocumentationthatcomeswiththemicroprocessortodeterminewhetheryouhavetoupdate
theserverfirmware.Todownloadthelatestlevelofserverfirmwareandothercodeupdatesforthe
server,gotohttp://www.ibm.com/support/fixcentral.
•Themicroprocessorspeedsareautomaticallysetforthisserver;therefore,youdonothavetosetany
microprocessorfrequency-selectionjumpersorswitches.
•Ifthethermal-greaseprotectivecover(forexample,aplasticcaportapeliner)isremovedfromtheheat
sink,donottouchthethermalgreaseonthebottomoftheheatsinkorsetdowntheheatsink.Formore
informationaboutapplyingorworkingwiththermalgrease,see“Thermalgrease”onpage91
.
Note:Removingtheheatsinkfromthemicroprocessordestroystheevendistributionofthethermal
greaseandrequiresreplacingthethermalgrease.
•Donotremovethefirstmicroprocessorfromthesystemboardtoinstallthesecondmicroprocessor.
•Toorderanadditionaloptionalmicroprocessor,contactyourLenovosalesrepresentativeorLenovo
reseller.
Therearetwotypesofmicroprocessorinstallationtools.Thetoolsaresimilarinfunctionanddesign,
howeverToolAhasonesettingforinstallingonesizeofmicroprocessor,andsupportsthefollowing
familiesofmicroprocessors:E5-26xx,E5-46xx.InstallationToolBhastwosettingsforinstallingtwo
differentsizesofmicroprocessors.ThesettingsthataremarkedonToolBare“L”forsmallerlowcore
microprocessors,and“H”forlargerhighcoremicroprocessors.InstallationToolBsupportsthefollowing
familiesofmicroprocessors:E5-26xx,E5-46xx,E5-26xxv2,E5-46xxv2.
MicroprocessorInstallationToolsAandBareshowninthefollowingillustration.
84Systemx3500M4InstallationandServiceGuide