which connects to the expansion-bus on the right side of the Amiga 1000 computer (-> Side-expansion Port). Is built around the same Intel 8088 processor, the original IBM PC/XT (-> IBM 5160) was already build around, although Commodore shipped it mostly using German Siemens CPUs or other CPU-variants from Asian vendors (likely due to lower costs).

Amiga-Software as well as PC-programs were included to allow data to be exchanged easily between the PC- and the Amiga-side of the system, as well as copying