9.Positionthenewmemorymoduleoverthememoryslot.Ensurethatthenotch1onthenewmemory
moduleisalignedwiththekey
2inthememoryslot.Then,pressthenewmemorymodulestraightdown
intothememoryslotuntiltheretainingclipscloseandthenewmemorymodulesnapsintoposition.
Note:Ifthereisagapbetweenthememorymoduleandtheretainingclips,thememorymodulehas
notbeeninstalledcorrectly.Opentheretainingclips,removethememorymodule,andthenreinstallit
intothememoryslotuntiltheretainingclipsarecompletelyclosed.
Figure38.Installingamemorymodule
10.Reinstallanypartsorreconnectanycablesthatyouhaveremoved.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallation,goto“Completingthepartsreplacement”onpage152.
Removingamemorymodule
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage59.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Tooptimizesystemperformance,ensurethatyouconsiderandfollowthememorymoduleinstallation
ruleswhenperformingtheoperation.See“Memorymoduleinstallationrules”onpage66
.
Toremoveamemorymodule,dothefollowing:
1.Removeallexternalmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedto
theserver.
2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage61.
3.Removetheservercover.See“Removingtheservercover”onpage61.
4.Removethecoolingshroud.See“Removingandreinstallingthecoolingshroud”onpage64.
5.Locatethememoryslotsonthesystemboardandreadthememorymoduleinstallationrules.See
“Memorymoduleinstallationrules”onpage66.
6.Removeanypartsordisconnectanycablesthatmightpreventyouraccesstothememoryslots.
70ThinkServerRD550UserGuideandHardwareMaintenanceManual