Lenovo ThinkServer RD350 - Installing or Removing a Memory Module

3.Notetheorientationofthecoolingshroudandthenplaceitabovetheserversothatthetabsonboth
sidesofthecoolingshroudarealignedwiththecorrespondingholesorgapsinbothsidesofthe
chassis.Then,lowerthecoolingshroudintothechassisuntilitsnapsintoposition.
Note:Ifnecessary,gentlypressthecoolingshroudonbothsidessothatthetabsonthecoolingshroud
completelyengagewithbothsidesofthechassis.
Figure23.Reinstallingthecoolingshroud
4.Reinstalltheservercoverandreconnectcablestotheserver.Formoreinformation,referto“Reinstalling
theservercoverandreconnectingcables”onpage131
.
Installingorremovingamemorymodule
Note:ThememorymodulesareextremelysensitivetoESD.Ensurethatyoureadandunderstand“Handling
static-sensitivedevices”onpage54firstandcarefullyperformtheoperation.
Memorymoduleinstallationrules
Yourserverhas16memoryslots.Thefollowinglistdescribesthememorymoduleinstallationrules.
•Eachslotsupports4GB,8GB,16GBand32GBdoubledatarate4registereddualinlinememory
modules(DDR4RDIMMs)withErrorCheckingandCorrecting(ECC)technology.
•Eachslotsupports32GBdoubledatarate4loadreductiondualinlinememorymodules(DDR4
LRDIMMs)withECCtechnology.
•Yourserversupportsuptoeightmemorymoduleswhenonemicroprocessorisinstalled.Yourserver
supportsupto16memorymoduleswhentwomicroprocessorsareinstalled.
•Theminimumsystemmemoryis4GB(onlyonemicroprocessorinstalledandonlyone4GBRDIMM
installedintheCPU1DIMMA1slot).
•Themaximumsystemmemoryis512GB(twomicroprocessorsinstalledandone32GBRDIMMor
LRDIMMinstalledineachofthe16memoryslots).
Formoreinformationaboutthememorymodulesinyourspecificservermodel,usetheSetupUtility
program.See“ViewinginformationintheSetupUtilityprogram”onpage41
.
60ThinkServerRD350UserGuideandHardwareMaintenanceManual