
Thefollowingtableexplainsthememorymoduleinstallationorderforserversthathaveonlyone
microprocessor(CPU1)installed.
Table10.Memorymoduleinstallationorderinlockstepmodeforserverswithonemicroprocessor
CPU1DIMM
A1A2B1B2
C1C2
D1D2
DIMM
installationorder
1
5
263
7
48
Thefollowingtableexplainsthememorymoduleinstallationorderforserversthathavetwomicroprocessors
(CPU1andCPU2)installed.
Table11.Memorymoduleinstallationorderinlockstepmodeforserverswithtwomicroprocessors
CPU1DIMMCPU2DIMM
A1A2B1B2
C1C2
D1D2A1A2B1B2
C1C2
D1D2
DIMM
installationorder
19210
5
13614311412
7
15816
Installingamemorymodule
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiii
and“Guidelines”onpage63.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Notes:
•Tooptimizesystemperformance,ensurethatyoufollowthememorymoduleinstallationruleswhen
performingtheoperation.See“Memorymoduleinstallationrules”onpage76.
•Useanydocumentationthatcomeswiththememorymoduleandfollowthoseinstructionsinadditionto
theinstructionsinthistopic.
Toinstallamemorymodule,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Iftheserverisinstalledinarackcabinet,removetheserverfromtherackcabinetandplaceitonaflat,
clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomeswiththeserver.If
theserverisintowerformfactor,laytheserveronitssideforeasieroperation.
3.Removetheservercover.See“Removingtheservercover”onpage66.
4.Removethecoolingshroud.See“Removingthecoolingshroud”onpage69.
5.Locatethememoryslotsonthesystemboard.See“Systemboardcomponents”onpage41.
6.Removeanypartsanddisconnectanycablesthatmightpreventyouraccesstothememoryslots.
Chapter6.Replacinghardware81
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