Lenovo x3250 m6 - Page 163

Note:Removingtheheatsinkfromthemicroprocessordestroystheevendistributionofthethermal
greaseandrequiresreapplyingthethermalgrease.
Attention:
•Donotallowthethermalgreaseonthemicroprocessorandheatsinktocomeincontactwithanything.
Contactwithanysurfacecancompromisethethermalgreaseandthemicroprocessorsocket.
•Droppingthemicroprocessorduringinstallationorremovalcandamagethecontacts.
•Themicroprocessorcontactsarefragile.Donottouchthemicroprocessorcontacts;handlethe
microprocessorbytheedgesonly.Contaminantsonthemicroprocessorcontacts,suchasoilfromyour
skin,cancauseconnectionfailuresbetweenthecontactsandthesocket.
•Thepinsonthesocketsarefragile.Anydamagetothepinsmightrequirereplacingthesystemboard.
•Whenyouhandlestatic-sensitivedevices,takeprecautionstoavoiddamagefromstaticelectricity.For
detailsabouthandlingthesedevices,see“Handlingstatic-sensitivedevices”onpage88
.
•Themicroprocessorfitsonlyonewayonthesocket.
•Removingtheheatsinkfromthemicroprocessordestroystheevendistributionofthethermalgrease,
youmustwipeoffthethermalgreasewiththealcoholwipesandreapplycleanthermalgrease.See
“Thermalgrease”onpage150.
Toinstallthemicroprocessorandheatsink,dothefollowing:
Step1.Installthemicroprocessor.
a.Alignthemicroprocessorwiththesocket(notethealignmentmarks1andthepositionofthe
notches)andcarefullyplacethemicroprocessoronthesocket.
b.Closethemicroprocessorbracketframe.
c.Closethemicroprocessorretentionlatchbysecuringthehandlebacktoitsposition.
Figure86.Microprocessorinstallation
Chapter7.Removingandinstallingservercomponents149