Attention:ToavoidbreakingtheretainingclipsordamagingtheDIMMconnectors,handlethe
clipsgently.
Step5.MovetheDIMMretainingclipsonthesideoftheDIMMconnectortotheopenpositionbypressing
theretainingclipsawayfromthecenteroftheDIMMconnector.
Figure178.Memorymoduleremoval
Step6.Usingyourfingers,lifttheDIMMoutoftheDIMMconnector.
Ifyouareinstructedtoreturntheservercomponentoroptionaldevice,followallpackaginginstructions,
anduseanypackagingmaterialsforshippingthataresuppliedtoyou.
Memorymoduleinstallation
ThefollowingnotesdescribethetypesofDIMMsthattheserversupportsandotherinformationthatyou
mustconsiderwhenyouinstallDIMMs.
•WhenyouinstallorremoveDIMMs,theserverconfigurationinformationchanges.Whenyourestartthe
server,thesystemdisplaysamessagethatindicatesthatthememoryconfigurationhaschanged.
•Theserversupportsonlyindustry-standarddouble-data-rate3(DDR3),800,1066,1333,1600,or
1866MHz,PC3-6400,PC3-8500,PC3-10600,PC3-12800,orPC3-14900registeredorunbuffered,
synchronousdynamicrandom-accessmemory(SDRAM)dualinlinememorymodules(DIMMs)with
errorcorrectingcode(ECC).Seehttp://www.lenovo.com/serverproven/foralistofsupportedmemory
modulesfortheserver.
–ThespecificationsofaDDR3DIMMareonalabelontheDIMM,inthefollowingformat.
–gggggeRxffPC3v-wwwwwm-aa-bb-ccdwhere:
–gggggisthetotalcapacityoftheDIMM(forexample,1GB,2GB,or4GB)
–eRisthenumberofranks
•1R=single-rank
•2R=dual-rank
•4R=quad-rank
–xffisthedeviceorganization(bitwidth)
262Systemx3500M4InstallationandServiceGuide