Lenovo System x3550 M5 - Replacing a Memory Module

Replacingamemorymodule
Usethisinformationtoreplaceamemorymodule.
Toinstallamemorymodule,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”on
page116.
Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables,
ifnecessary.
Step3.Removethecover(see“Removingthecover”onpage119).
Step4.Removetheairbaffle(see“Removingtheairbaffle”onpage122).
Step5.Touchthestatic-protectivepackagethatcontainstheDIMMtoanyunpaintedmetalsurfaceonthe
outsideoftheserver.Then,removetheDIMMfromthepackage.
Step6.CarefullyopentheretainingclipsoneachendoftheDIMMconnector.
Alignment
slot
DIMM
Alignment tab
Retaining
clip
Figure89.DIMMinstallation
Step7.TurntheDIMMsothatthealignmentslotalignscorrectlywiththealignmenttab.
Step8.InserttheDIMMintotheconnectorbyaligningtheedgesoftheDIMMwiththeslotsattheends
oftheDIMMconnector(see“System-boardinternalconnectors”onpage26
forthelocations
oftheDIMMconnectors).
Step9.FirmlypresstheDIMMstraightdownintotheconnectorbyapplyingpressureonbothendsofthe
DIMMsimultaneously.TheretainingclipssnapintothelockedpositionwhentheDIMMisfirmly
seatedintheconnector.
Note:IfthereisagapbetweentheDIMMandtheretainingclips,theDIMMhasnotbeencorrectly
inserted;opentheretainingclips,removetheDIMM,andthenreinsertit.
Step10.Reconnectthepowercordsandanycablesthatyouremoved.
Step11.Replacetheairbaffle(see“Replacingtheairbaffle”onpage122).
Note:ClosealltheretainingclipsevenforslotswithoutDIMMsinstalledbeforereplacingthe
airbaffle.
Chapter5.Removingandreplacingcomponents167