* '''F1 - X''' Single 5.25" drive without FDC, with [[VDOS]] 2.0
* '''M1 - X''' Single 3.5" drive without FDC, with [[VDOS]] 2.0(not inside drive)
* '''F1 - XRS''' same as F1-X, upgraded with RS232 interface
* '''M1 - XRS''' same as M1-X, upgraded with RS232 interface