ANSI/INCITS/ISO 8630-3:1987
信息处理.数据交换用130mm(5.25 in)改进调频制记录、密度为13262 ftrad、每面80道的软盘.第3部分:用作80道的磁道格式B
Information Processing - Data Interchange on 130 mm (5.25 in) Flexible Disk Cartridges Using Modified Frequency Modulation Recording at 13 262 ftprad, on 80 Tracks on Each Side - Part 3: Track Format B for 80 Tracks