10.Liftthefailingsystemboardoffthecover.
11.Positionthenewsystemboardsothatthescrewholesarealignedwiththemountingstudsonthecover.
12.Installthescrewstosecurethenewsystemboardtotheprotectivecover.
13.Installthememorymodules,PCIcard,battery,andmicroprocessorthatyouremovedfromthefailing
systemboardtothenewsystemboard.
14.Slidethenewsystemboardtotherearofthechassisandthenpivotitinwarduntilitislockedinto
position.
15.Connectallthecablestothenewsystemboard.See“Locatingpartsonthesystemboard”onpage71.
16.Installtheheatsinktothenewsystemboard.See“Replacingtheheatsink”onpage81.
17.Goto“Completingthepartsreplacement”onpage98.
Thefailingsystemboardmustbereturnedwithamicroprocessorsocketcovertoprotectthepinsduring
shippingandhandling.
Toinstallthemicroprocessorsocketcover,dothefollowing:
1.Releasetheleversecuringthemicroprocessorretainerandopentheretainertoaccessthe
microprocessor.
2.Graspthemicroprocessoronthesidesandliftitstraightupandoutofthesocket.Donottouchthe
contactsonthemicroprocessorsocket.
3.Notetheorientationofthesocketcover.Alignthenotches1ofthemicr oprocessorsocketcoverwith
thealignmentkeys2ofthemicroprocessorsocket.
4.Installonesideofthesocketcoverintothemicroprocessorsocketasshown.
Chapter8.ReplacingFRUs87