Things You'll Need
Instructions
Play GBA Games on a GameCube With the Game Boy Player
Power off and unplug the GameCube.
Turn the GameCube over to reveal the underside panel. Press in the locking tab on the high-speed port cover located on the upper left corner of the GameCube's underside panel. Pull up to remove the cover.
Insert the Game Boy Player into the high-speed port. Press down firmly.
Tighten the locking screws using a screwdriver or a thin coin.
Flip the GameCube right-side up and plug in the power cable.
Open the disc cover and insert the "Game Boy Player Start-Up" disc. Close the disc cover.
Insert the GBA game into the Game Boy Player with the label facing downward.
Press the "ON" button to power on the GameCube. The GameCube will boot into the GBA game.
Using the GBA as an Additional Display or Controller
Press the "ON" button to power off the GameCube.
Insert the controller plug of the link cable into one of the GameCube's controller ports.
Insert the GBA plug into the connection port on the top of the GBA.
Open the GameCube's disc cover and insert the GameCube game that you will be using the GBA with. Close the disc cover.
Press the "ON" button to power on the GameCube and boot into the game.