Mega Drive Z80 (Sega Mega-Tech) Updated Mar 15, 2026 · 7 min read · Support · 0 viewing 🔥 Most active page right now Log in or register to read the full article. Previous Mega Drive 68k (Sega Mega-Tech) If you are suspecting issues with the Mega Drive system and want to check the 68k operation, this gu... Next 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...