Dell Precision T3600 (Mid 2012) - Manual (Page 34)

j. front input/output (I/O) panel
k. speakers
l. heat sink
m. heat-sink fan
n. memory module(s)
o. processor
3. Disconnect all the cables from the system board.
4. Remove the screws that secure the system board to the chassis.
5. Lift the system board in an upward direction and remove it from the computer.
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