What different variations of the Megadrive exist?
Original Japanese version (Megadrive 1) featuring headphone jack and AUX port with Japanese language settings and a cartridge lock. American version was identical but renamed Genesis and had English language Settings. The cartridge lock was removed. European version similar to the Genesis version but converted to display PAL 50HZ signal and English language settings. Slight changes to the Megadrive 1 removed EXT port and added the message “produced by or under license from Sega Enterprises” to the boot ROM. 1993 totally redesigned Megadrive 2 more square shaped design removed the headphone jack and only one custom multi output for sound and picture (See 1.3). Wondermega was a combined Megadrive and Mega CD by J.V.C that had improved sound capabilities, MIDI connections, a karaoke function, 2 inputs for microphones and SVHS connector. Originally came packed with a four game CD called Game Garden that featured the Megadrive game Flicky, a quiz game and Pyramid a puzzle game. The Game Gar