Lenovo ThinkCentre Edge 91 - Installing or Replacing a Memory Module

7.PivotthecardlatchtotheclosedpositiontosecurethePCIcard.
8
7
6
5
3
4
Figure11.InstallingaPCIcard
8.ReinstallthescrewtosecurethePCIcardlatchinplace.
9.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage104.
Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhasfourslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof16
GBsystemmemory.Wheninstallingorreplacingamemorymodule,usethefollowingguidelines:
•Use1GB,2GB,or4GBDDR3UDIMMsinanycombinationuptoamaximumof16GB.
•Pleaserefertobelowtablefordetailmemorymodulesinstallationsequence.
UDIMMDIMM1DIMM2DIMM3DIMM4
OneUDIMM
X
TwoUDIMMsX,1X,2
ThreeUDIMMsX,1X,2X,3
FourUDIMMsX,1X,2X,3X,4
Toinstallorreplaceamemorymodule,dothefollowing:
Chapter8.ReplacingFRUs(MachineTypes:1852,1853,and1855)85