Cartridge Pinout (Sega Mega-Tech) Updated Mar 15, 2026 · 32 min read · Support · 0 viewing 🔥 Most active page right now Log in or register to read the full article. Previous Mega Drive AV Out (Sega Mega-Tech) You can probe the CN8 connector (RGB1) for the main game screen. You will get no output until a val... Next Reading Game Titles (Sega Mega-Tech) Once the SMS reads the BIOS and boots, it instructs the Mega Drive to read all games header ROMs tha...