2x SD card drives, up to 4GB FAT16 formatted each.
512kB RAM working in two selectable modes - Mega RAM or RAM Mapper

Compatible with MSX, MSX2, MSX2+ & MSX Turbo-R machines

Allows to:

- use MSX-DOS2 on 64kB machines

- thanks to SOFA RUN software execute 8/16/32kB Cartridge ROM images, KONAMI Cartridge ROM images

- mount and execute DSK disk image files