ISO/IEC 9529-1:1989 Preview
Information processing systems -- Data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recording at 15 916 ftprad, on 80 tracks on each side -- Part 1: Dimensional, physical and magnetic characteristics
This standard was last reviewed and confirmed in 2006. Therefore this version remains current.
Specifies the dimensional, physical and magnetic characteristics of the 90 mm (3,5 in ) flexible disk cartridge using modified freqency modulation recording at 15 916 ftprad on 80 tracks on each side, so as to provide physical interchangeability between data processing systems. References: ISO 683-13; ISO 9293.