iBook G3 14" Disassembly: Installing Logic Board - Removing Logic Board (page 23/25)

Two 3 mm Phillips from the edge of the logic board, near the battery
Two 4 mm large head Phillips on the port side, from either corner.
One 6 mm Phillips near the sleep light.
Two 7.5 mm Phillips securing the battery connector to the metal framework.
Two 5 mm Phillips from the logic board. These screws may not be present on some models.

There will be two screws remaining that secure the airport card cage to the logic board (can't get them all).

iBook G3 14" Fixit Guide :: Installing Logic Board (page 23/25)	prev \| contents \| next
iFixit sells MacBook, iBook & PowerBook parts and accessories	Now Removing Logic Board

click image to enlarge	Logic Board (product details: IF151-008) Remove the following 9 screws: Two 3 mm Phillips from the edge of the logic board, near the battery Two 4 mm large head Phillips on the port side, from either corner. One 6 mm Phillips near the sleep light. Two 7.5 mm Phillips securing the battery connector to the metal framework. Two 5 mm Phillips from the logic board. These screws may not be present on some models. There will be two screws remaining that secure the airport card cage to the logic board (can't get them all).
	Disconnect the sleep light from the logic board.
	Disconnect the DC cable from the logic board.