•Ifyourcomputerhasonlyonemicroprocessorinstalled,besuretoinstallmemorymodulesonlyinthe
memoryslotsadjacenttothatmicroprocessor.
•Ifyourcomputerhastwomicroprocessorsinstalled,installequalnumbersofmemorymodulesinboth
setsofmicroprocessorDIMMslotsformaximumperformance.
Toinstallorreplaceamemorymodule,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.RemovethePCIcardholder.See“RemovingandreinstallingthePCIcardholder”onpage38
4.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage12.
5.Removeanypartsthatmightpreventyouraccesstothememoryslots.Dependingonyourcomputer
model,youmightneedtoremovethePCIExpressx16graphicscardforeasieraccesstothememory
slots.See“InstallingorreplacingaPCIcard”onpage39
.
6.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:
•Ifyouarereplacinganoldmemorymodule,opentheretainingclipsandgentlypullthememory
moduleoutofthememoryslot.
Figure16.Removingamemorymodule
•Ifyouareinstallingamemorymodule,opentheretainingclipsofthememoryslotintowhichyou
wanttoinstallthememorymodule.
Figure17.Openingtheretainingclips
42ThinkStationC30UserGuide