Lenovo System x3650 M5 - Page 305

Step12.Removethememorymodulesandsetthemasideonastatic-protectivesurfaceforreinstallation
(see“Removingamemorymodule”onpage171
).
Note:MakeanoteofthelocationofeachDIMMasyouremoveit,sothatyoucanlaterreinstallit
inthesameconnector.
Step13.(Trainedtechnicianonly)Removeallheatsinksandmicroprocessors,andsetthemasideon
astatic-protectivesurfaceforreinstallation(see“Removingamicroprocessorandheatsink”on
page276).
Note:Donotallowthethermalgreasetocomeincontactwithanything,andkeepeachheatsink
pairedwithitsmicroprocessorforreinstallation.Contactwithanysurfacecancompromisethe
thermalgreaseandthemicroprocessorsocket.Amismatchbetweenthemicroprocessorandits
originalheatsinkcanrequiretheinstallationofanewheatsink.
Step14.Disconnectallcablesfromthesystemboard.Makealistofeachcableasyoudisconnectit;you
canthenusethisasachecklistwhenyouinstallthenewsystemboard(see“Internalcablerouting
andconnectors”onpage135
formoreinformation).
Attention:Disengagealllatches,releasetabsorlocksoncableconnectorswhenyoudisconnect
allcablesfromthesystemboard.Failingtoreleasethembeforeremovingthecableswilldamage
thecablesocketsonthesystemboard.Thecablesocketsonthesystemboardarefragile.Any
damagetothecablesocketsmayrequirereplacingthesystemboard.
Step15.1Loosenthetwothumbscrews(locatednearthefrontoftheserver)thatsecurethesystemboard
totheserverand2slidethesystemboardtowardthefrontoftheserver.
Step16.Graspbothsystem-boardhandlesandliftuptheleftsideofthesystemboardslightlyandcarefully
removeitfromthechassis,beingcarefulnottodamageanysurroundingcomponents.
Note:Usethesystem-boardhandlestoliftthesystemboardonly.Donotattempttoliftthe
serverusingthesystemboardhandles.
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Thumb screws
System board handles
Figure266.Systemboardremoval
Step17.1Pushthesystemboardtowardthebroadsideoftheserverand2liftthesystemboardup.
Chapter5.Installing,removing,andreplacingcomponents293