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Anybody know what this cable is for? It appears to make use of the ext port on the back of early model 1 Genesis consoles. : r/Megadrive
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Controller connector for sega mega drive master system 9 pin socket port replacement - 2 pack black | zedlabz | Fruugo US
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Retro-Bit Official Sega Genesis USB Controller 8-Button Arcade Pad for Sega Genesis Mini, Switch, PC, Mac, Steam, RetroPie, Raspberry Pi - USB Port (Crimson Red) - Walmart.com
![Amazon.com: Retro-Bit Official Sega Genesis Controller 6-Button Arcade Pad for Sega Genesis - Original Port (Black) : Video Games Amazon.com: Retro-Bit Official Sega Genesis Controller 6-Button Arcade Pad for Sega Genesis - Original Port (Black) : Video Games](https://m.media-amazon.com/images/I/71eRwkc59UL.jpg)
Amazon.com: Retro-Bit Official Sega Genesis Controller 6-Button Arcade Pad for Sega Genesis - Original Port (Black) : Video Games
![USB Dual Port Converter Adapter for MayFlash for SEGA Mega Drive Controller Compatible for Switch Windows PC|Power Supplys| - AliExpress USB Dual Port Converter Adapter for MayFlash for SEGA Mega Drive Controller Compatible for Switch Windows PC|Power Supplys| - AliExpress](https://ae01.alicdn.com/kf/H1e46c56a32b54acf8f914e0813f0f2568/USB-Dual-Port-Converter-Adapter-for-MayFlash-for-SEGA-Mega-Drive-Controller-Compatible-for-Switch-Windows.jpg)
USB Dual Port Converter Adapter for MayFlash for SEGA Mega Drive Controller Compatible for Switch Windows PC|Power Supplys| - AliExpress
![Super Sonic (lost build of cancelled Sega CD port of Sega Genesis platformer "Sonic the Hedgehog 2"; existence unconfirmed; 1992-1993) - The Lost Media Wiki Super Sonic (lost build of cancelled Sega CD port of Sega Genesis platformer "Sonic the Hedgehog 2"; existence unconfirmed; 1992-1993) - The Lost Media Wiki](https://lostmediawiki.com/images/2/20/Page38-453px-Supergame_BR_07.pdf.jpg)