Specifications

CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Beforeyouopenthecomputercover,turnoff
thecomputerandwaitseveralminutesuntilthecomputeriscool.
Note:Beforereplacingthesystemboard,makesureyouhavearetentionmoduleforthenewsystemboard.
Toreplacethesystemboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage82.
3.Placethecomputeronitssidetogaineasieraccesstothesystemboard.
4.RemoveallmemorymodulesandPCIcardsthatarecurrentlyinstalled.See“Installingorreplacinga
memorymodule”onpage89and“InstallingorreplacingaPCIcard”onpage84.
5.Removetheharddiskdrivefanassembly.See“Replacingtheharddiskdrivefanassembly”on
page100.
6.Removetheharddiskdriveenablementmoduleifitisinstalled.See“Installingorreplacingaharddisk
driveenablementmodule”onpage107.
7.Removetheheatsinkandfanassemblyfromthefailingsystemboard.See“Replacingtheheatsinkand
fanassembly”onpage98.
8.Removethemicroprocessor(s)fromthefailingsystemboard.See“Replacingamicroprocessor”on
page115.
9.Removethebatteryfromthefailingsystemboard.See“Replacingthebattery”onpage97.
10.Notethelocationofallcableconnectionsonthesystemboardanddisconnectallcables.See“Locating
partsonthesystemboard”onpage76.
11.Removethetenscrewsthatsecurethesystemboardtothechassisbyfollowingthesequencefrom1
to10.
120ThinkStationD30HardwareMaintenanceManual