Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 49
4. Slide the logic board
away from the I/O panel
to clear the board guides.
5. Tilt the logic board so
that the ports clear the
openings in the I/O panel
and lift the board out of
the computer.
Important: If you are
replacing the logic board,
transfer the processor
module, video card, PCI
cards, AirPort card,
memory cards, and modem
from the original logic board
to the replacement board.