17.Installthenewsystemboardintothechassisandpressthesystemboardtotherearoftheserver.
Ensurethat:
•Thenewsystemboardisengagedbythemountingstudonthechassis.
•Therearconnectorsonthenewsystemboardareinsertedintothecorrespondingholesinthe
rearpanel.
Figure104.Installingthesystemboard
18.Removethemicroprocessorsfromtheoldsystemboardandinstallthemonthenewsystemboard.See
“Installingorreplacingthemicroprocessor”onpage92.
Note:Donotdropanythingontothemicroprocessorsocketontheoldsystemboardwhileitisexposed.
Thesocketpinsmustbekeptascleanaspossible.
19.Useacleaningpadtowipethethermalgreasefromtheheatsinksandthetopofthemicroprocessors.
Disposeofthecleaningpadafterallofthethermalgreaseisremoved.
20.Useoneofthefollowingmethodstoapplyappropriateamountofthermalgreasetothetopofthe
microprocessorsintheshapeofacrossoracircleasshown.Eithertoomuchortoolessapplicationof
thermalgreasecancauseathermalproblemduetoimperfectcontactwiththecomponents.
Notes:
•Donottouchthethermalgrease.
•Keepthethermalgreaseoffthesystemboard.
Figure105.Applyingthethermalgreasetothetopofthemicroprocessor
21.Installtheheatsinksonthenewsystemboard.See“Installingorreplacingaheatsink”onpage90.
Chapter6.Replacinghardware129
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