Hardware Overview (Sega Mega Drive) Updated Mar 15, 2026 · 5 min read · 0 viewing Previous Board Scans (Sega Mega Drive) There is a great KiCad recreation of the schematic and PCB of the Mega Drive here . Next AV Pinout (Sega Mega Drive) The Mega Drive / Genesis 1 has the exact same port, cable and AV pinout as the Master System 1. It a...