Lenovo ThinkServer RD650 Bedienungsanleitung Seite 93

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Note:ThememorymodulesareextremelysensitivetoESD.Ensurethatyoureadandunderstand“Handling
static-sensitivedevices”onpage68firstandcarefullyperformtheoperation.
Memorymoduleinstallationrules
Yourserverhas24memoryslotsandithasthefollowingfeatures:
Eachslotsupports4GB,8GB,and16GBdoubledatarate4registereddualinlinememorymodules
(DDR4RDIMMs)withErrorCheckingandCorrecting(ECC)technology.
Eachslotsupports32GBdoubledatarate4loadreductiondualinlinememorymodules(DDR4
LRDIMMs)withErrorCheckingandCorrecting(ECC)technology.
Yourserversupportsupto12memorymoduleswhenonemicroprocessorisinstalled.Supportsupto24
memorymoduleswhentwomicroprocessorsareinstalled.
Theminimumsystemmemoryis4GB(onlyonemicroprocessorinstalledandonlyone4GBRDIMM
installedintheCPU1DIMMA1slot).
Themaximumsystemmemoryis768GB(twomicroprocessorsinstalledandone32GBLRDIMM
installedineachofthe24memoryslots).
Formoreinformationaboutthememorymodulesinyourspecificservermodel,usetheSetupUtility
program.SeeViewinginformationintheSetupUtilityprogram”onpage55
.
ForalistofthesupportedThinkServermemorymoduleoptions,goto:
http://lenovoquickpick.com/usa/home/thinkserver/rack-and-tower-server
Beforeinstallingamemorymodule,ensurethatyouobservethefollowingguidelines:
Allmemorymodulestobeinstalledmustbethesametype.Yourserversupportsthefollowingtypes
ofmemorymodules:
DDR4RDIMMwithECCtechnology
DDR4LRDIMMwithECCtechnology
Whenyouinstallmemorymoduleswithdifferentranksinonechannel,startfromthefarthestmemoryslot
inthechannel.Installthememorymodulethathasthemostranksfirst.
Whenyouinstallmemorymoduleswithdifferentfrequenciesintothememoryslotsforthesame
microprocessor,allthememorymodulesrunatthelowestfrequency.
Itisrecommendedthatyouinstallthehigh-frequencymemorymodulesintothememoryslotsforthe
samemicroprocessortoensurehighperformance.
Chapter6.Replacinghardware79
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