Lenovo ThinkStation D20 Manuel d'utilisateur télécharger pdf (Page 31)

Installingorreplacingamemorymodule

Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety

information”intheThinkStationSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopyofthe

ThinkStationSafetyandWarrantyGuide,goto:

http://support.lenovo.com

CAUTION:

Thememorymodulesmightbeveryhot.Turnoffthecomputerandwaitthreetoveminutestolet

thecomputercoolbeforeremovingthecomputercover.

Yourcomputerhas12slotsforinstallingorreplacingDDR3ECCUDIMMs(doubledatarate3errorcorrection

codeunbuffereddualin-linememorymodules)orDDR3ECCRDIMMs(doubledatarate3errorcorrection

coderegistereddualin-linememorymodules).

Wheninstallingorreplacingmemorymodules,usethefollowingguidelines:

•UseeitherDDR3ECCUDIMMsorDDR3ECCRDIMMsforyourcomputer.Donotinstallboththe

UDIMMsandRDIMMsintothesamecomputer.

•Use1GB,2GB,or4GBUDIMMsinanycombinationuptoamaximumof48GB.

•Use1GB,2GB,4GB,or8GBRDIMMsinanycombinationuptoamaximumof96GB.

•AlwaysinstallDIMMsinthenumericalorderprintedonthesystemboard(DIMM1,DIMM2,DIMM3,and

soon).Installmemorymodulesintothebluecolormemoryslotsrst.

•IfyourcomputerhasonlyoneCPUinstalled,besuretoinstallmemorymodulesonlyinthememory

slotsadjacenttothatCPU.

•IfyourcomputerhastwoCPUsinstalled,installequalnumbersofmemorymodulesinbothsetsofCPU

DIMMslotsformaximumperformance.

Toinstallorreplaceamemorymodule:

1.Removethecomputercover.See“Removingthecomputercover”onpage11.

2.Laythecomputeronitsside.

3.Locatethememoryslots.See“Identifyingpartsonthesystemboard”onpage8.

4.Forsomecomputermodels,youmightneedtoremovethememoryfanducttoaccessthememory

slots.Toremovethememoryfanduct,disconnectthememoryfancablefromthesystemboard,

removetheblueshippingclip,pressinwardonthetwotabs,pivotthefanduct,andthendisengagethe

otherendoftheduct.

Note:Notallcomputermodelshavethememoryfanductandblueshippingclip.

Figure24.Removingthememoryfanduct

Chapter3.Installingoptionsandreplacinghardware25

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Lenovo ThinkStation D20 Manuel d'utilisateur Page 31