Mega-FX

Mega-FX was an cancelled chip add-on for the Sega Mega Drive cartridges, it was announced in September 1991.

Processor and CPU

 * Motorola 68040 30 Mhz (32-bits)

Memory

 * RAM: 8 MB


 * PCM samples: 2 MB


 * CD-ROM data cache: 1 MB


 * Video RAM: 3 MB


 * Audio RAM: 1 MB


 * Backup RAM: 1 MB
 * Cartridge Storage: 700 MB (Same to an CD-ROM)

Display and graphics

 * 3d polygonal graphics support
 * 320x224, 320x240, 640x448 and 640x480 resolutions support
 * 24-bits color palette, can show all the colors at the same time.

BIOS

 * Size: 8MB
 * Features: Load the games, load libraries and software that are necessary for the console.

Announced games
Here is an list of the announced game for that cancelled chip, they was announced on the two presentations, the first presentation from September 1991, and the second presentation from November 1992.

That games was announced for test and show the technical features of the chip. You can add more games....
 * Sonic The Hedgehog FX (Sega, September 1991)
 * Ecco the Dolphin 3D (Sega, November 1992 second presentation)
 * Shinobi DX (Sega, September 1991)