
Notes:
•Allmemorymodulestobeinstalledonaservermustbethesametype(LVRDIMM,RDIMM,orUDIMM).
•Whenyouinstallmemorymoduleswithdifferentranksinonechannel,startfromthefarthestmemoryslot
inthechannelandinstallthememorymodulethathasthemostranksrst.
•When1.35Vmemorymodulesand1.50Vmemorymodulesareinstalledintothememoryslotsforthe
samemicroprocessor,allthememorymodulesrunat1.50V.
•Whenmemorymoduleswithdifferentfrequenciesareinstalledintothememoryslotsforthesame
microprocessor,allthememorymodulesrunatthelowestfrequency.
•Itisrecommendedthatyouinstallthelow-voltagememorymodulesintothememoryslotsforthesame
microprocessortoensurelowpowerconsumption.
•Itisrecommendedthatyouinstallthehigh-frequencymemorymodulesintothememoryslotsforthe
samemicroprocessortoensurehighperformance.
Figure34.CPU1DIMMs
Table3.Memorymoduleinstallationrulesforserverswithonemicroprocessor
CPU1
DIMM
A1A2A3B1B2B3
C1C2C3
D1D2D3
OneDIMM
X
TwoDIMMsXX
Three
DIMMs
XXX
FourDIMMsXXXX
SixDIMMs
XXXXXX
Eight
DIMMs
XXXXXXXX
Twelve
DIMMs
XXXXXXXXXXXX
Note:The12DIMMscongurationissupportedonlywhenyouareusingnormalRDIMMs.
Thefollowingtableexplainsthememorymoduleinstallationrulesforserversthathavetwomicroprocessors
(CPU1andCPU2)installed.The“X”markindicatesthememoryslotsintowhichthememorymodules
shouldbeinstalledindifferentsituations.
74ThinkServerRD530UserGuide
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