ISO 8860-2:1987
信息处理 数据交换用90mm(3.5 in)改进调频记录的密度为7958 ftprad、每面80道软磁盘 第2部分:磁道格式
Information processing; Data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad on 80 tracks on each side; Part 2 : Track format