Nintendo GameCube SD2SP2 Pro 64GB MICRO SD Card Adapter GameCube Serial Port 2 | eBay
GameCube accessories - Wikipedia
Gamecube SD2SP2 Micro SD Serial Port Adapter & Cover Kit
GameCube accessories - Wikipedia
Gamecube SD2SP2 DIY Module | Micro SD - Hand Held Legend
Card Adapter | Accessories - Sd2sp2 Card Adapter Nintendo 2 Accessories Original - Aliexpress
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Found a Game Boy player at the thrift store, now just need to find whatever plugs into serial port 2. : r/Gamecube
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IDE - EXI Serial Port 1 (BBA) - gc-forever - Gamecube/Wii Forums
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