Contains the dimensional, physical and magnetic characteristics of 200 mm (8 in) flexible disk cartridges recording at 13 262 ftprad, 1,9 tpmm (48 tpi), on both sides using modified frequency modulation recording. Together with the labelling scheme specified in ISO 7665, ISO 7065/1 und /2 provide for full data interchange between data processing systems. Provides physical interchangeability between data processing systems.