Specifications

90 - Power Mac G4 (Mirror/FW 800) Take Apart
Heatsink
2. Lift the heatsink straight up and remove it from the computer.
Power Mac G4 (FW 800), Best Configuration:
Warning: Handle the heatsink with care. Do not touch the underside of the heatsink.
The solder joints at the heatsink coils are delicate and might be warm.