Lenovo ThinkStation E31 - Installing or Replacing a Memory Module

Installingorreplacingamemorymodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“ImportantSafetyInformation”
onpage1.
Thissectionprovidesinstructionsonhowtoinstallorreplaceamemorymodule.
YourcomputerhasfourslotsforinstallingorreplacingDDR3UDIMMsthatprovideuptoamaximumof
32GBsystemmemory.Wheninstallingorreplacingamemorymodule,use2GB,4GB,or8GBDDR3
UDIMMsinanycombinationuptoamaximumof32GB.
Thefollowingtableprovidesinformationaboutthememorymoduleinstallationrulesthatyoushould
considerwheninstallingorremovingamemorymodule.The“X”markindicatesthememoryslot(s)into
whichthememorymodule(s)shouldbeinstalledindifferentsituations.Thenumbers1,2,3,and4indicate
theinstallationsequence.Tolocatethememorymoduleslots,see“Locatingpartsonthesystemboard”
onpage82.
UDIMMDIMM1DIMM2DIMM3DIMM4
OneUDIMM
X
TwoUDIMMsX,1X,2
ThreeUDIMMsX,3X,1X,2
FourUDIMMsX,3X,1X,4X,2
Toinstallorreplaceamemorymodule,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage120.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage120.
4.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage140.
5.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage135.
6.Pivottheopticaldrivebayupwardtogainaccesstothememoryslots.See“Replacingtheoptical
drive”onpage137.
7.Locatethememoryslots.See“Locatingpartsonthesystemboard”onpage82.
8.Removeanypartsthatmightpreventaccesstothememoryslots.
9.Dependingonwhetheryouareinstallingorreplacingamemorymodule,dooneofthefollowing:
Chapter11.ReplacingFRUs(formachinetypes:3688,3690,3691,3693,and3695)123