EN 29529-2-1991 信息处理系统.在每面80磁道、以15916ftprad速度、用改进的调频制、在90mm(3.5in)软磁盘存储器上进行数据交换.第2部分:磁道格式(ISO 9529-2-89)
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 2: Track Format