Compatibility
The PowerBook G4 (17-inch) computer comes with one PC Card slot that can accept one Type I or one Type II card. It does not accept Type III cards.
You can use cards that comply with the 16-bit PC Cards and 32-bit CardBus Cards standards. Cards can be removed and replaced while the computer is in use.
Important: The Apple AirPort Card and AirPort Extreme Card are not PC Cards or CardBus cards. Do not insert them into the PowerBook G4 (17-inch) computer's PC Card slot.
Ejecting
To eject a PC Card:
1. With the computer turned on, drag the card's icon to the Trash.
2. Push the PC Card eject button once to release it.
3. Push the eject button again to eject the card.
4. Pull the card out of the slot.