The SD2IEC is a hardware mass storage device using an SD/MMC card and interfacing with the IEC bus. This device can emulate / replace the Commodore-1541 disk drive for a C64. With this new firmware there is support for the Final Cartridge III fastloader. Other features of the SD2IEC are: D64 support (read / write / U1 / U2), Support for PRG, P00, Turbo Disk, JiffyDOS, Final Cartridge III, External "disk change" button, FAT long file names and subdirectories.