Server User Manual

Table6.Memorymoduleinstallationrules
CPUDIMM
CPU1
DIMM
CHA2
CPU1
DIMM
CHA1
CPU1
DIMM
CHB2
CPU1
DIMM
CHB1
CPU2
DIMM
CHD2
CPU2
DIMM
CHD1
CPU2
DIMM
CHE2
CPU2
DIMM
CHE1
One
DIMM
X
Two
DIMMs*
X,1X,2
CPU1
Four
DIMMs
X,3X,1X,4X,2
Two
DIMMs
X,1X,2
Four
DIMMs*
X,1X,3X,2X,4
Six
DIMMs
X,5X,1X,3X,6X,2X,4
CPU1
andCPU
2
Eight
DIMMs
X,5X,1X,7X,3X,6X,2X,8X,4
Note:*denotestheChannelMirroringMode.ThismoderequiresthatyouinstalltheDIMMsinpair.
Installingamemorymodule
Attention:
DonotopenyourserverorattemptanyrepairbeforereadingandunderstandingtheSafetyInformationandthe
WarrantyandSupportInformationontheThinkServerDocumentationDVDthatcamewithyourproduct,and
“Guidelines”onpage39
.Toobtainacopyofthepublications,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoinstallamemorymodule.
Toinstallamemorymodule,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Removetheservercover.See“Removingtheservercover”onpage43.
3.Locatetheappropriatememoryslotonthesystemboardintowhichyouwillinstallthememorymodule.
Tooptimizesystemperformance,followtherelatedmemorymoduleinstallationrulesandinstallthe
memorymoduleintoamemoryslotstartingwiththememorymodulefarthestfromthemicroprocessor.
See“Memorymoduleinstallationrules”onpage49
.
50ThinkServerTD230HardwareMaintenanceManual