Board Scans (Sega Mega Drive) Updated Mar 15, 2026 · 1 min read · 0 viewing Previous Schematics (Sega Mega Drive) There are various schematics available. For the easiest reading use this remake schematic from here... Next Hardware Overview (Sega Mega Drive) The Mega Drive circuit is mostly made up of the following chips: 68000 CPU (Motorola MC68000) SRAM f...