Table6.MaximummemoryinstallationusingrankedDIMMs
NumberofDIMMsDIMMtypeDIMMsizeTotalmemory
24
Single-rankRDIMMs4GB96GB
24Dual-rankRDIMMs
8GB192GB
24Dual-rankRDIMMs
16GB384GB
24
Quad-rankLRDIMMs32GB768GB
24
Quad-rankLRDIMMs64GB1536GB
•TheRDIMMoptionsthatareavailablefortheserverare4GB,8GB,and16GB.Theserversupportsa
minimumof4GBandamaximumof384GBofsystemmemoryusingRDIMMs.
•TheLRDIMMoptionthatisavailablefortheserveris32GBand64GB.Theserversupportsaminimum
of32GBandamaximumof1536GBofsystemmemoryusingLRDIMMs.
Note:Theamountofusablememoryisreduceddependingonthesystemconfiguration.Acertain
amountofmemorymustbereservedforsystemresources.Toviewthetotalamountofinstalledmemory
andtheamountofconfiguredmemory,runtheSetuputility.Foradditionalinformation,see“Configuring
theserver”onpage104
.
•AminimumofoneDIMMmustbeinstalledforeachmicroprocessor.Forexample,youmustinstalla
minimumoftwoDIMMsiftheserverhastwomicroprocessorsinstalled.However,toimprovesystem
performance,installaminimumoffourDIMMsforeachmicroprocessor.
•DIMMsintheservermustbethesametype(RDIMMorLRDIMM)toensurethattheserverwilloperate
correctly.
Note:YoucaninstallDIMMsformicroprocessor2assoonasyouinstallmicroprocessor2;youdonothave
towaituntilalloftheDIMMslotsformicroprocessor1arefilled.
ThefollowingillustrationshowsthelocationoftheDIMMconnectorsontheysystemboard.
Microprocessor 1
Microprocessor 2
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
DIMM 7
DIMM 8
DIMM 9
DIMM 10
DIMM 11
DIMM 12
DIMM 13
DIMM 14
DIMM 15
DIMM 16
DIMM 17
DIMM 18
DIMM 19
DIMM 20
DIMM 21
DIMM 22
DIMM 23
DIMM 24
Figure62.ThelocationoftheDIMMconnectorsonthesystemboard
Chapter2.Installingoptionaldevices75
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