Specifications

Figure53.Removingthetenscrewsthatsecurethesystemboardtothechassis
12.Carefullyliftthefailingsystemboardoutofthechassis.
13.Positionthenewsystemboardintothechassissothatthescrewholesinthenewsystemboardare
alignedwiththoseinthechassis.Installthetenscrewsthatsecurethesystemboardtothechassisby
followingthesequencefrom10to1.
14.Removethemicroprocessorsocketcover(s)fromthenewsystemboard.
15.Installthememorymodules,PCIcards,battery,microprocessor,heatsinkandfanassembly,harddisk
driveenablementmodule(ifapplicable),andtheharddiskdrivefanassemblythatyouremovedfromthe
failingsystemboardtothenewsystemboard.
16.Connectallcablestothesystemboard.See“Locatingpartsonthesystemboard”onpage76.
17.Goto“Completingthepartsreplacement”onpage124.
Thefailingsystemboardmustbereturnedwithmicroprocessorsocketcoverstoprotectthepinsduring
shippingandhandling.Installthemicroprocessorsocketcoversremovedfromthenewsystemboard
onthefailingsystemboard.
Note:Themicroprocessorsocketcoverinstallationprocedureshouldbeperformedonbothmicroprocessor
socketsonthefailingsystemboard.
Toinstallthemicroprocessorsocketcoveronthefailingsystemboard:
1.Pivotthemicroprocessorretainerdownwardtoclosetheretainer.
Chapter10.ReplacingFRUs121