PowerBook G4 (15-inch FW 800_1.5/1.33GHz) Take Apart - 95
Logic Board
For 1.33 GHz & 1.5 GHz logic board heatsinks:
• Install only the light blue pad, in the center.
4. For 1.33 GHz & 1.5 GHz logic board heatsinks:
• Remove the thermal paste on the heatsink at the graphics chip location.