12.Closethesmallhandle1firstandthenclosethesmallhandle2tolocktheretainerandsecurethenew
microprocessorinthesocket.
Note:Therearetwomarksonthemicroprocessorretainer.Ensurethatyouclosethesmallhandle
markedwith
firstandthenclosethesmallhandlemarkedwith.Alwaysfollowthecorrectsequence
whenyouclosethesmallhandles.
Figure105.Securingthemicroprocessorinthesocket
13.Useacleaningpadtowipethethermalgreasefromtheremovedheatsink.Disposeofthecleaning
padafterallofthethermalgreaseisremoved.
14.Useoneofthefollowingmethodstoapplyappropriateamountofthermalgreasetothetopofthenewly
installedmicroprocessorintheshapeofacrossoracircleasshown.Usingtoomuchortoolittle
thermalgreasecancauseathermalproblemduetoimperfectcontactwiththecomponents.
Notes:
•Donottouchthethermalgrease.
•Keepthethermalgreaseoffthesystemboard.
Figure106.Applyingthethermalgreasetothetopofthemicroprocessor
15.Reinstalltheheatsink.See“Replacingtheheatsink”onpage165.
16.Ifyouareinstructedtoreturntheoldmicroprocessor,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Chapter6.Replacinghardware143
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