Whenyouareinstallingtheheatsinkonthesamemicroprocessorthatitwasremovedfrom,makesure
thatthefollowingrequirementsaremet:
•Thethermalgreaseontheheatsinkandmicroprocessorisnotcontaminated.
•Additionalthermalgreaseisnotaddedtotheexistingthermalgreaseontheheatsinkandmicroprocessor.
Notes:
•Readthesafetyinformationin“Safety”onpagev.
•Readthe“Installationguidelines”onpage31.
•Read“Handlingstatic-sensitivedevices”onpage33.
Toreplacedamagedorcontaminatedthermalgreaseonthemicroprocessorandheatsink,completethe
followingsteps.
Step1.Placetheheatsinkonacleanworksurface.
Step2.Removethecleaningpadfromitspackageandunfolditcompletely.
Step3.Usethecleaningpadtowipethethermalgreasefromthebottomoftheheatsink.
Note:Makesurethatallofthethermalgreaseisremoved.
Step4.Useacleanareaofthecleaningpadtowipethethermalgreasefromthemicroprocessor;then,
disposeofthecleaningpadafterallofthethermalgreaseisremoved.
Figure172.Thermalgreaseonmicroprocessor
Step5.Usethethermal-greasesyringetoplace9uniformlyspaceddotsof0.02mLeachonthetopof
themicroprocessor.Theoutermostdotsmustbewithinapproximately5mmoftheedgeofthe
microprocessor.Thisistoensureuniformdistributionofthegrease.
Figure173.Thermal-greasesyringe
Note:0.01mLisonetickmarkonthesyringe.Ifthegreaseisproperlyapplied,approximatelyhalf
(0.22mL)ofthegreasewillremaininthesyringe.
Step6.Installtheheatsinkontothemicroprocessorasdescribedin“Replacingamicroprocessorand
heatsink”onpage242.
Chapter6.Removingandreplacingservercomponents245
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