23.Useoneofthefollowingmethodstoapplyappropriateamountofthermalgreasetothetopofthe
microprocessorsintheshapeofacrossoracircleasshown.Usingtoomuchortoolittlethermalgrease
cancauseathermalproblemduetoimperfectcontactwiththecomponents.
Notes:
•Donottouchthethermalgrease.
•Keepthethermalgreaseoffthesystemboard.
Figure200.Applyingthethermalgreasetothetopofthemicroprocessor
24.Installtheheatsinksonthenewsystemboard.See“Installingorreplacingaheatsink”onpage139.
25.Reinstallallpartsthatyouhaveremovedonebyoneinthereversedsequenceasyouremovethem.
Connectallcablestothenewsystemboard.Refertotheinformationthatyouhavenoteddownandthe
relatedtopicsin“Installing,removing,orreplacinghardware”onpage77.
26.Ifyouareinstructedtoreturntheoldsystemboard,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Theoldsystemboardmustbereturnedwithtwomicroprocessorsocketcoverstoprotectthepinsonthe
microprocessorsocketsduringshippingandhandling.Usethemicroprocessorsocketcoversremoved
fromthenewsystemboard.
Toinstallamicroprocessorsocketcoverontheoldsystemboard,dothefollowing:
Chapter6.Replacinghardware201
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