Board Scans (Sega Mega CD 2) Updated Mar 15, 2026 · 1 min read · Support · 0 viewing 🔥 Most active page right now Previous Schematics (Sega Mega CD 2) Below are the schematics to the Mega CD 2 / Sega CD 2. 📎 Mega CD II Schematic.pdf (file unavailable... Next FRAM Upgrade (Sega Mega CD 2) You can perform an upgrade on the SRAM and battery module, upgrading it to an FRAM chip , meaning y...