ANSI X3.171-1989
信息系統.用15916bpi單面和雙面的高密度非格式化90mm(3.5英寸),5.3tpmm(135tpi)的盒式軟磁盤.物理和磁性通用要求

Information Systems - One- and Two-Sided, High-Density, Unformatted, 90-mm (3.5 in), 5,3-tpmm (135-tpi), Flexible Disk Cartridge for 15 916 bpr Use - General, Physical and Magnetic Requirements

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標準號

ANSI X3.171-1989

發布日期

1989年

實施日期

廢止日期

無

中國標準分類號

L64

國際標準分類號

35.220.20

發布單位

US-ANSI

適用范圍

4. This standard specifies the general, physical, and magnetic requirements for interchangeability of the one- and two-sided, high-density, 90-mm (3.5-in) (nominal) flexible disk cartridge for 15 916 bits-per-radian (bpr) use as required to achieve unformatted disk cartridge interchange among disk drives using 80 tracks per side and associated information processing systems. The one- and two-sided flexible disk enclosed ina protective case and having one or two recording surfaces is of the type intended specifically for use with digital recording and reproducing equipment employing access mechanisms capable of positioning to these data tracks.