3.If an AirPort Extreme Card is not installed, unlatch the flexible wire holder to release the AirPort antenna cable.
4.Remove the four screws that secure the RAM shield. (Figure 7)
Figure 7
5.Lift the RAM shield out of the computer. Carefully pulling up on the wire holder may help to remove the shield. (Figure 8)
6.Route the AirPort antenna cable out of the slot in the RAM shield.
Figure 8
iBook G4 Memory Card - 5