17.InstallallmemorymodulesandPCIcardsremovedfromthefailingsystemboardonthenewsystem
board.See“Installingorreplacingamemorymodule”onpage85and“InstallingorreplacingaPCI
card”onpage82.
18.Reconnectallremainingcablestothesystemboard.See“Locatingpartsonthesystemboard”
onpage77.
19.Tocompletethereplacement,goto“Completingthepartsreplacement”onpage104.
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.
Toinstallthemicroprocessorsocketcover,dothefollowing:
1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe
microprocessor.
2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe
contactsonthemicroprocessorsocket.
3.Notetheorientationofthesocketcover.Alignthenotches1ofthemicroprocessorsocketcoverwith
thealignmentkeys2ofthemicroprocessorsocket.
4.Installonesideofthesocketcoverintothemicroprocessorsocketasshown.
Figure29.Installingthesocketcover
Note:Yourmicroprocessorsocketandcovermightlookslightlydifferentfromtheillustration.
100ThinkCentreHardwareMaintenanceManual
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