Figure140.DIMMremoval
Step6.IfyouareinstructedtoreturntheDIMM,followallpackaginginstructions,anduseanypackaging
materialsforshippingthataresuppliedtoyou.
Installingamemorymodule
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-ccd
where:
–gggggisthetotalcapacityoftheDIMM(forexample,1GB,2GB,or4GB)
–eRisthenumberofranks
1R=single-rank
2R=dual-rank
4R=quad-rank
–xffisthedeviceorganization(bitwidth)
x4=x4organization(4DQlinesperSDRAM)
x8=x8organization
x16=x16organization
–vistheSDRAMandsupportcomponentsupplyvoltage(VDD)
Chapter6.Removingandreplacingcomponents215