9.Carefullyliftthesystemboardoutofthechassis.
10.Removethemicroprocessorsocketcoverfromthenewsystemboard.
11.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.
See“Replacingthemicroprocessor”onpage92.
12.Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.Installthemicroprocessorsocketcoverremovedfromthenewsystemboard
onthefailingsystemboard.
Note:Themicroprocessorsocketcoverinstallationprocedureshouldbeperformedonbothprocessors.
Toinstallthemicroprocessorsocketcover:
a.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe
microprocessor.
b.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe
contactsonthemicroprocessorsocket.
c.Alignthenotches1ofthemicroprocessorsocketcoverwiththealignmentkeys2ofthe
microprocessorsocket.Lowerthesocketcoverstraightdownintothemicroprocessorsocket
onthesystemboard.
Chapter11.ReplacingFRUs(Type4155,4158,4218)125
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