Computer Hardware User Manual

CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeremovingthecomputercover.
Note:Beforereplacingthesystemboard,makesureyouhavearetentionmoduleforthenewsystemboard.
Toreplacethesystemboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage64.
3.Placethecomputeronitssidetogaineasieraccesstothesystemboard.
4.RemoveallmemorymodulesandPCIcardsthatarecurrentlyinstalled.See“Installingorreplacinga
memorymodule”onpage69and“InstallingorreplacingaPCIcard”onpage66.
5.Removetheharddiskdrivefanassembly.See“Replacingtheharddiskdrivefanassembly”onpage80.
6.Removetheharddiskdriveenablementmoduleifitisinstalled.See“Installingorreplacingaharddisk
driveenablementmodule”onpage87.
7.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand
fanassembly”onpage78.
8.Removethemicroprocessor(s)fromthefailingsystemboard.See“Replacingamicroprocessor”on
page95
.
9.Removethebatteryfromthefailingsystemboard.See“Replacingthebattery”onpage77.
10.Notethelocationofallcableconnectionsonthesystemboardanddisconnectallcables.See“Locating
partsonthesystemboard”onpage58.
11.Removethetenscrewsthatsecurethesystemboardtothechassisbyfollowingthesequencefrom1
to10.
Figure51.Removingthetenscrewsthatsecurethesystemboardtothechassis
100ThinkStationHardwareMaintenanceManual