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Memorymoduleinstallationrules

YourserverhaseightmemoryslotsforinstallingorreplacingDDR3SDRAMDIMMsthatprovideuptoa

maximumof64GBofsystemmemory.

Thefollowingtablesprovideinformationaboutthememorymoduleinstallationrulesthatyoushould

considerwheninstallingamemorymodule.The“X”markindicatesthesuggestedmemoryslot(s)into

whichthememorymodule(s)shouldbeinstalledindifferentsituations.Thenumber,forexample1,2,or3,

indicatestheinstallationsequence.See“Locatingpartsonthesystemboard”onpage14

toidentifythe

variousmemoryslots.

Note:Allmemorymoduletypesandcapacitiesmustbeconsistent.

Table8.DIMMinstallationruleswhenasinglemicroprocessor(CPU0)isinstalled

DIMMslotOneDIMMTwoDIMMsThreeDIMMsFourDIMMs

CPU0DIMMCHA1

X,4

CPU0DIMMCHA0

XX,1X,1X,1

CPU0DIMMCHB0

X,2X,2X,2

CPU0DIMMCHC0

X,3X,3

Note:InstallingDIMMsonchannelAandchannelBofCPU0shouldenableChannelMirroringMode.Thismode

requiresthatyouinstalltheDIMMsinpair,andtheDIMMinstallationforChannelMirroringModeisoneDIMMon

CPU0DIMMCHA0andoneDIMMonCPU0DIMMCHB0whenasinglemicroprocessor(CPU0)isinstalled.

Table9.DIMMinstallationruleswhentwomicroprocessors(CPU0andCPU1)areinstalled

DIMMslotTwoDIMMsFourDIMMsSixDIMMsEightDIMMs

CPU0DIMMCHA1

X,7

CPU0DIMMCHA0

X,1X,1X,1X,1

CPU0DIMMCHB0

X,3X,3X,3

CPU0DIMMCHC0

X,5X,5

CPU1DIMMCHA1

X,8

CPU1DIMMCHA0

X,2X,2X,2X,2

CPU1DIMMCHB0

X,4X,4X,4

CPU1DIMMCHC0

X,6X,6

Note:FortheChannelMirroringMode,itrequiresthatyouinstalltheDIMMsinpair,andtheDIMMinstallationfor

ChannelMirroringModewhentwomicroprocessors(CPU0andCPU1)areinstalledisshownbelow.Followthis

sequenceratherthanthesequencelistedaboveifyouwanttousetheChannelMirroringMode.

1.Pair1:installaDIMMonCPU0DIMMCHA0andtheninstallaDIMMonCPU0DIMMCHB0.

2.Pair2:installaDIMMonCPU1DIMMCHA0andtheninstallaDIMMonCPU1DIMMCHB0.

Installingamemorymodule

Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstandingthe“Safetyinformation”

onpageiiiand“Guidelines”onpage17.

Thissectionprovidesinstructionsonhowtoinstallamemorymodule.

Toinstallamemorymodule,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall

powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.

Chapter5.Installing,removing,orreplacinghardware21

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