[. . . ] Power Mac G4 / Macintosh Server G4 AirPort Card Replacement Instructions Be sure to follow the instructions in this sheet carefully. [. . . ] To avoid scratching the case, lower the panel onto a soft, clean cloth. (Figure 2) Warning: If you see any lights glowing on the main logic board, the computer has not been shut down. Close the side access panel and shut down the computer before proceeding. Removing the Installed Card 1. Gently pull the end of the card until you feel it release from the card connector. Remove the card from the card guide and the computer. Installing the Replacement Card 1. Insert the AirPort Card through the opening in the card guide and into the AirPort Card connector on the logic board. (Figure 4A) Warning: Do not insert any card other than an AirPort Card into this connector or you could damage your computer and the card. Raise the side access panel, lift the latch, and press the panel against the case until it snaps securely into place. [. . . ] AirPort and Power Mac are trademarks of Apple Computer, Inc. Power Mac G4 AirPort Card - 3 Power Mac G4 AirPort Card - 4 1 B A 2 Power Mac G4 AirPort Card - 5 3 B A 4 A B Power Mac G4 AirPort Card - 6 [. . . ]