Lenovo System x3500 M4 - Installing a DIMM

Table7.MemoryranksparingmodeDIMMpopulationsequence(continued)
NumberofDIMMs
Numberofinstalled
microprocessorDIMMconnector
SixthpairofDIMMs
13,6
SeventhpairofDIMMs
213,14
EighthpairofDIMMs
216,17
NinthpairofDIMMs
220,21
TenthpairofDIMMs
223,24
EleventhpairofDIMMs
219,22
TwelfthpairofDIMMs
215,18
Note:DIMMconnectors3,6,7,10,15,18,19,and22arenotusedinmemoryranksparingmodewhenUDIMMs
areinstalledintheserver.
InstallingaDIMM
UsethisinformationtoinstallaDIMM.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage35.
Ifyouarereplacingaservercomponentintheserver,youneedtoturnofftheserverandperipheraldevices,
anddisconnectthepowercordsandallexternalcables.
ToinstallaDIMM,completethefollowingsteps.
Step1.Unlockandremovetheleft-sidecover(see“Removingtheleft-sidecover”onpage40).
Step2.Removetheairbaffleifinstalled(see“Removingtheairbaffle”onpage189).
Step3.OpentheretainingcliponeachendoftheDIMMconnector.
Attention:ToavoidbreakingtheretainingclipsordamagingtheDIMMconnectors,openand
closetheclipsgently.
66Systemx3500M4InstallationandServiceGuide