The Colecovision Ultimate SD cartridge is an SD card based multi-cart for your Colecovision game system.
The Ultimate SD is the most advanced cartridge ever produced for the Colecovision and includes a 50 MIPS onboard CPU, advanced upgradable hardware logic, 512KB of SRAM and 128KB of block flash.
The Ultimate SD Cartridge supports the following Colecovision ROM formats:
The bank switching logic, CPU firmware, boot flash and menu software are all 100% field upgradable by just placing new files on the SD card and turning on the system!
To read more about the capabilities of the cartridge and the menu software, please check out the documentation below the ordering page and visit the discussion forums also linked below.