19.Installthetenscrewsfollowingtherecommendednumericalsequenceasshowntosecurethenew
systemboardonthechassis.
Figure140.Installingthescrewstosecurethesystemboard
20.Removethemicroprocessorsfromtheoldsystemboardandinstallthemonthenewsystemboard.See
“Installingorreplacingthemicroprocessor”onpage135
.
21.Theoldsystemboardmustbereturnedwithtwomicroprocessorsocketcoverstoprotectthepinson
themicroprocessorsocketsduringshippingandhandling.Usethemicroprocessorsocketcovers
removedfromthenewsystemboard.
Toinstallamicroprocessorsocketcoverontheoldsystemboard,dothefollowing:
a.Ensurethatthesmallhandleandthemicroprocessorretainerareinthefullyopenposition.See
“Installingthesecondmicroprocessor”onpage135.
Note:Donotdropanythingontothemicroprocessorsocketwhileitisexposed.Thesocketpins
mustbekeptascleanaspossible.
Chapter6.Installing,removing,orreplacinghardware179