•Whenyouinstallmemorymoduleswithdifferentfrequenciesintothememoryslotsforthesame
microprocessor,allthememorymodulesrunatthelowestfrequency.
•Itisrecommendedthatyouinstallthehigh-frequencymemorymodulesintothememoryslotsforthe
samemicroprocessortoensurehighperformance.
Figure41.CPU1DIMMs
Table4.Memorymoduleinstallationrulesforserverswithonemicroprocessor
CPU1DIMM
A1A2B1B2
C1C2
OneDIMM
X
TwoDIMMsXX
ThreeDIMMsXXX
FourDIMMsXXXX
SixDIMMs
XXXXXX
Thefollowingtableexplainsthememorymoduleinstallationrulesforserversthathavetwomicroprocessors
(CPU1andCPU2)installed.The“X”markindicatesthememoryslotsintowhichthememorymodules
shouldbeinstalledindifferentsituations.
Notes:
•Whenyouinstallmemorymoduleswithdifferentranksinonechannel,startfromthefarthestmemoryslot
inthechannelandinstallthememorymodulethathasthemostranksfirst.
•Whenyouinstall1.35Vmemorymodulesand1.50Vmemorymodulesintothememoryslotsforthe
samemicroprocessor,allthememorymodulesrunat1.50V.
•Whenyouinstallmemorymoduleswithdifferentfrequenciesintothememoryslotsforthesame
microprocessor,allthememorymodulesrunatthelowestfrequency.
•Itisrecommendedthatyouinstallthehigh-frequencymemorymodulesintothememoryslotsforthe
samemicroprocessortoensurehighperformance.
Chapter6.Installing,removing,orreplacinghardware83
To Next Page
Loading...
