AS 3712.1-1990 数据存储和传输媒介．数据交换用90mm磁盘，改进调频制记录密度为15 916 ftrad，每面80道．尺寸，物理和磁性特征
Data storage and transfer media - Data interchange on 90 mm diskettes using modified frequency modulation recording at 15 916 ftprad, on 80 tracks on each side - Dimensional, physical and magnetic characteristics
Specifies the dimensional, physical and magnetic characteristics of the diskette, so as to provide physical interchangeability between data processing systems. This Standard is identical to, and has been reproduced from, ISO/IEC 9529-1.