Lenovo ThinkServer RD450 - Installing a Memory Module

Thefollowingtableexplainsthememorymoduleinstallationorderforserversthathavetwomicroprocessors
(CPU1andCPU2)installed.
Table8.Memorymoduleinstallationorderinsparingmodeforserverswithtwomicroprocessors
CPU1DIMMCPU2DIMM
A1A2B1B2
C1C2
D1D2A1A2B1B2
C1C2
D1D2
DIMMinstallationorder1133
5577
22446688
Memorymoduleinstallationorderinlockstepmode
Inlockstepmode,theRASfeaturesareavailable.FormoreinformationabouttheRASfeatures,refertothe
relatedsectionin“Features”onpage7.
Notes:
•Allmemorymodulestobeinstalledmustbethesametypewiththesamecapacity,frequency,voltage,
andnumberofranks.
•Allmemorymodulesmustbeinstalledinpairs.
Thefollowingtableexplainsthememorymoduleinstallationorderforserversthathaveonlyone
microprocessor(CPU1)installed.
Table9.Memorymoduleinstallationorderinlockstepmodeforserverswithonemicroprocessor
CPU1DIMM
A1A2B1B2
C1C2
D1D2
DIMMinstallationorder13132424
Thefollowingtableexplainsthememorymoduleinstallationorderforserversthathavetwomicroprocessors
(CPU1andCPU2)installed.
Table10.Memorymoduleinstallationorderinlockstepmodeforserverswithtwomicroprocessors
CPU1DIMMCPU2DIMM
A1A2B1B2
C1C2
D1D2A1A2B1B2
C1C2
D1D2
DIMMinstallationorder1
5
1
5
3
7
3
7
26264848
Installingamemorymodule
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage63.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Notes:
•Ensurethatyouconsiderandfollowthememorymoduleinstallationruleswhenperformingtheoperation.
See“Memorymoduleinstallationrules”onpage74
.
•Useanydocumentationthatcomeswiththememorymoduleandfollowthoseinstructionsinadditionto
theinstructionsinthistopic.
Toinstallamemorymodule,dothefollowing:
78ThinkServerRD450UserGuideandHardwareMaintenanceManual