Lenovo System x3550 M4 - Page 315

Step7.RemoveallPCIriser-cardassembliesandadapters(see“RemovingaPCIriser-cardassembly”on
page220
and“Removinganadapter”onpage225).
Step8.RemovetheServeRAIDSAS/SATAcontroller(see“RemovingaServeRAIDSAS/SATAcontroller”
onpage230
).
Step9.Removethedual-portnetworkadapter(see“Removingthedual-portnetworkadapter”onpage
238).
Step10.Removethememorymodulesandsetthemasideonastatic-protectivesurfaceforreinstallation
(see“Removingamemorymodule”onpage213).
Note:MakeanoteofthelocationofeachDIMMasyouremoveit,sothatyoucanlaterreinstallit
inthesameconnector.
Step11.(Trainedtechnicianonly)Removeallheatsinksandmicroprocessors,andsetthemasideon
astatic-protectivesurfaceforreinstallation(see“Removingamicroprocessorandheatsink”on
page285
).
Notes:
1.Removethesocketcoversfromthemicroprocessorsocketsonthenewsystemboardand
placethemonthemicroprocessorsocketsofthesystemboardyouareremoving.
2.Donotallowthethermalgreasetocomeincontactwithanything,andkeepeachheatsink
pairedwithitsmicroprocessorforreinstallation.Contactwithanysurfacecancompromisethe
thermalgreaseandthemicroprocessorsocket.Amismatchbetweenthemicroprocessorand
itsoriginalheatsinkcanrequiretheinstallationofanewheatsink.
Step12.Removethesystembattery(see“Removingthesystembattery”onpage269).
Step13.Disconnectallcablesfromthesystemboard.Makealistofeachcableasyoudisconnectit;you
canthenusethisasachecklistwhenyouinstallthenewsystemboard(see“Internalcablerouting
andconnectors”onpage179formoreinformation).
Attention:Disengagealllatches,releasetabsorlocksoncableconnectorswhenyoudisconnect
allcablesfromthesystemboard.Failingtoreleasethembeforeremovingthecableswilldamage
thecablesocketsonthesystemboard.Thecablesocketsonthesystemboardarefragile.Any
damagetothecablesocketsmayrequirereplacingthesystemboard.
Step14.Removethehot-swapfans(see“Removingahot-swapfan”onpage243).
Step15.Rotatethefanassemblybracketuptowardthefrontoftheserver.
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Figure236.Fanassemblybracketrotation
Chapter6.Removingandreplacingcomponents301