Lenovo TD340 Betriebsanweisung PDF herunterladen (Seite 105)

Installingorremovingamemorymodule

Thistopicprovidesinstructionsonhowtoinstallorremoveamemorymodule.

Note:ThememorymodulesaresensitivetoESD.Ensurethatyoureadandunderstand“Handling

static-sensitivedevices”onpage84ﬁrstandcarefullyperformtheoperation.

Memorymoduleinstallationrules

Yourserverhas12memoryslotsandithasthefollowingfeatures:

•Eachslotsupports2GB,4GB,8GB,and16GBdoubledatarate3low-voltageregistereddualinline

memorymodules(DDR3LVRDIMMs).

•Eachslotsupports2GB,4GB,8GB,and16GBDDR3RDIMMs.

•Eachslotsupports2GBand4GBDDR3unbuffereddualinlinememorymodules(UDIMMs)withError

CheckingandCorrecting(ECC)technology.

•Yourserversupportsuptosixmemorymoduleswhenonemicroprocessorisinstalledandupto12

memorymoduleswhentwomicroprocessorsareinstalled.

•TheminimumsystemmemoryforUDIMMs,RDIMMsorLVRDIMMsis2GB(onlyonemicroprocessor

installedandonlyone2GBUDIMM,RDIMMorLVRDIMMinstalledintheCPU1DIMMA1slot).

•ThemaximumsystemmemoryforRDIMMsorLVRDIMMsis192GB(twomicroprocessorsinstalledand

one16GBRDIMMorLVRDIMMinstalledineachofthe12memoryslots).

•ThemaximumsystemmemoryforUDIMMsis48GB(twomicroprocessorsinstalledandone4GB

UDIMMinstalledineachofthe12memoryslots).

Formoreinformationaboutthememorymodulesinyourspeciﬁcservermodel,usetheSetupUtility

program.See“ViewinginformationintheSetupUtilityprogram”onpage61.

ForalistofsupportedThinkServermemorymoduleoptions,goto:

http://www.lenovo.com/thinkserver

Beforeinstallingamemorymodule,ensurethatyouobservethefollowingguidelines:

•Allmemorymodulestobeinstalledmustbethesametype(LVRDIMM,RDIMM,orUDIMM).

•Whenyouinstallmemorymoduleswithdifferentranksinonechannel,startfromthefarthestmemoryslot

inthechannelandinstallthememorymodulethathasthemostranksﬁrst.

•Ifyouinstall1.35Vmemorymodulesand1.50Vmemorymodulesintothememoryslotsforthesame

microprocessor,youmustconﬁguretheworkingvoltageintheBIOSsothatallthememorymodules

runat1.50V.

•Whenyouinstallmemorymoduleswithdifferentfrequenciesintothememoryslotsforthesame

microprocessor,allthememorymodulesrunatthelowestfrequency.

•Itisrecommendedthatyouinstallthelow-voltagememorymodulesintothememoryslotsforthesame

microprocessortoensurelowpowerconsumption.

•Itisrecommendedthatyouinstallthehigh-frequencymemorymodulesintothememoryslotsforthe

samemicroprocessortoensurehighperformance.

Chapter6.Installing,removing,orreplacinghardware93

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Lenovo TD340 Betriebsanweisung Seite 105