ISO/IEC 9529-2:1989
信息处理系统 数据交换用90mm(3.5 in)改进调频制记录的密度为15916 ftprad、每面80道的软磁盘 第2部分:磁道格式
Information processing systems; data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad, on 80 tracks on each side; part 2: track format