Includes magnetic characteristics, track layout and a track format used on a 200 mm (8 in) flexible disk cartridge, recorded at 13 262 ftprad on both sides using modified frequency modulation recording at a track density of 1,9 tracks per millimetre (tpmm) (48 track per inch - tpi) which is intended for data interchange between data processing systems. Mentioned disk cartridge shall be in conformance with ISO 7065 if meeting all requirements of part 1 and 2 of ISO 7065 and implementing one of the three sector sizes specified in 4.11.