Lenovo ThinkServer TD350 Manual do Utilizador descarregar pdf (Página 175)

19.Useacleaningpadtowipethethermalgreasefromtheheatsinksandthetopofthemicroprocessors.

Disposeofthecleaningpadafterallofthethermalgreaseisremoved.

20.Useoneofthefollowingmethodstoapplyappropriateamountofthermalgreasetothetopofthe

microprocessorsintheshapeofacrossoracircleasshown.Usingtoomuchortoolittlethermalgrease

cancauseathermalproblemduetoimperfectcontactwiththecomponents.

Notes:

•Donottouchthethermalgrease.

•Keepthethermalgreaseoffthesystemboard.

Figure126.Applyingthethermalgreasetothetopofthemicroprocessor

21.Installtheheatsinksonthenewsystemboard.See“Replacingtheheatsink”onpage154.

22.Theoldsystemboardmustbereturnedwithtwomicroprocessorsocketcoverstoprotectthepinson

themicroprocessorsocketsduringshippingandhandling.Usethemicroprocessorsocketcovers

removedfromthenewsystemboard.

Toinstallamicroprocessorsocketcoverontheoldsystemboard,dothefollowing:

a.Closethemicroprocessorretainer.Pressdownthesmallhandle1ﬁrstandthenpushthehandle

inwardtosecureit.Then,pressdownthesmallhandle2andthenpushthehandleinwardto

lockthemicroprocessorretainerintoposition.

Note:Therearetwomarksonthemicroprocessorretainer.Ensurethatyouclosethesmallhandle

markedwith

ﬁrstandthenclosetheothersmallhandlemarkedwith.Alwaysfollowthecorrect

sequencewhenyouclosethesmallhandles.

Figure127.Securingthemicroprocessorretainer

Chapter6.Replacinghardware161

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Lenovo ThinkServer TD350 Manual do Utilizador Página 175