Lenovo System x3550 M4 - Replacing a Microprocessor and Heat Sink

Installation tool
Microprocessor
Figure220.Installationtoolremoval
Step9.Installthenewmicroprocessor(see“Replacingamicroprocessorandheatsink”onpage290).
Attention:Ifyouarereplacingamicroprocessor,usetheemptyinstallationtoolthatcomeswith
thenewmicroprocessortoremovethemicroprocessor.
Step10.Ifyoudonotintendtoinstallamicroprocessoronthesocket,installthesocketcoverthatyou
removedinStep8onpage295onthemicroprocessorsocket.
Attention:Thepinsonthesocketarefragile.Anydamagetothepinsmayrequirereplacingthe
systemboard.
Ifyouareinstructedtoreturnthemicroprocessor,followallpackaginginstructions,anduseanypackaging
materialsforshippingthataresuppliedtoyou.
Replacingamicroprocessorandheatsink
Thefollowingnotesdescribethetypeofmicroprocessorthattheserversupportsandotherinformationthat
youmustconsiderwhenyouinstallamicroprocessorandheatsink.
•Microprocessorsaretobeinstalledonlybytrainedtechnicians.
Important:Alwaysusethemicroprocessorinstallationtooltoinstallamicroprocessor.Failingtouse
themicroprocessorinstallationtoolmaydamagethemicroprocessorsocketsonthesystemboard.Any
damagetothemicroprocessorsocketsmayrequirereplacingthesystemboard.
•Beextremelycareful,themicroprocessorsocketcontactsareveryfragile.Donottouchthe
microprocessorsocketcontacts.Contaminantsonthemicroprocessorcontactsormicroprocessorsocket
contacts,suchasoilfromyourskin,cancauseconnectionfailuresbetweenthecontactsandthesocket.
•Donotallowthethermalgreaseonthemicroprocessorandheatsinktocomeincontactwithanything.
Contactwithanysurfacecancontaminatethethermalgreaseandthemicroprocessorsocket.
•Donotuseanytoolsorsharpobjectstoliftthelockingleversonthemicroprocessorsocket.Doingso
mightresultinpermanentdamagetothesystemboard.
•Eachmicroprocessorsocketmustalwayscontaineitherasocketcoveroramicroprocessorandheatsink.
•Besuretouseonlytheinstallationtoolsprovidedwiththenewmicroprocessortoremoveorinstall
themicroprocessor.Donotuseanyothertool.
•Wheninstallingmultiplemicroprocessors,openonemicroprocessorsocketatatimetoavoiddamaging
othermicroprocessorsocketcontacts.
290Systemx3550M4InstallationandServiceGuide