How to transfer GameCube save files using an SD Card - YouTube
How to run GameCube games on Dolphin without an SD card slot or any form of external storage device? Is it possible to store save data in memory instead - Quora
How To Play GameCube ISOs On Your GameCube Via SD - YouTube
Can a Japanese game be saved to an SD card that has a NA save? : r/Gamecube
How To Play GameCube ISOs On Your GameCube Via SD - YouTube