Toreplacethesystemboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage86.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.RemoveallmemorymodulesandPCIcardsthatarecurrentlyinstalled.See“Installingorreplacinga
memorymodule”onpage91and“InstallingorreplacingaPCIcard”onpage88.
5.Recordthecableroutingandcableconnectionsandthendisconnectallcablesfromthesystemboard.
See“Locatingpartsonthesystemboard”onpage74.
6.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand
fanassembly”onpage105.
7.Removetheeightscrewsthatsecurethesystemboardbyfollowingthesequenceshowninthe
followingillustration.
Figure74.Removingtheeightscrewsthatsecurethesystemboard
8.Slidethesystemboardtothefrontofthecomputerandthencarefullyliftthesystemboardoutof
thechassis.
9.Removethemicroprocessorfromthefailingsystemboardandinstallitonthenewsystemboard.See
“Replacingthemicroprocessor”onpage131
.
134ThinkStationE32HardwareMaintenanceManual
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