This adapter allows you to connect any keyboard or PS controller into your Gamecube. The Playstation controller function supports all buttons, including the analog controls. The keyboard connector can accept any PS/2 keyboard and is perfect for playing games such as Phantasy Star Online. Please note that special funtion keys are mapped differently: Also note the following buttons do not work correctly when tested with Phantasy Star Online: -NUM Lock is always off while the number keys can work.