Computer Hardware User Manual
Notes:
1.Readthesafetyinformationat“ImportantSafetyInformation”onpage1.
2.Read“Guidelinesfortrainedservicetechnicians”onpage115.
3.Read“Handlingstatic-sensitivedevices”onpage117.
Toreplacedamagedorcontaminatedthermalgreaseonthemicroprocessorandheatsink,completethe
followingsteps:
1.Placetheheatsinkonacleanworksurface.
2.Removethecleaningpadfromitspackageandunfolditcompletely.
3.Usethecleaningpadtowipethethermalgreasefromthebottomoftheheatsink.
Note:Makesurethatallofthethermalgreaseisremoved.
4.Useacleanareaofthecleaningpadtowipethethermalgreasefromthemicroprocessor;then,dispose
ofthecleaningpadafterallofthethermalgreaseisremoved.
5.Usethethermal-greasesyringetoplace9uniformlyspaceddots1of0.02mLeachonthetopof
themicroprocessor2.Makesurethattheoutermostdotsarewithin5mmoftheedge,toensure
evendistribution.
Note:0.01mLisonetickmarkonthesyringe.Ifthegreaseisproperlyapplied,approximatelyhalf
(0.22mL)ofthegreasewillremaininthesyringe.
6.Installtheheatsinkontothemicroprocessorasdescribedin“Installingthemicroprocessor”onpage141.
Replacingthesystemboard
Toreplacethesystemboard,usethefollowingprocedures:
Removingthesystemboard
Note:Whenyoureplacethesystemboard,youmusteitherupdatetheserverwiththelatestrmwareor
restorethepre-existingrmwarethatthecustomerprovidesonadisketteorCDimage.Makesurethatyou
havethelatestrmwareoracopyofthepre-existingrmwarebeforeyouproceed.
Toremovethesystemboard,completethefollowingsteps
1.Readthesafetyinformationin“ImportantSafetyInformation”onpage1and“Guidelinesfortrained
servicetechnicians”onpage115
.
2.Turnofftheserverandanyattacheddevices.
Chapter6.ReplacingFRUs143