ANSI INCITS 137-1988/AM1-1999 信息系统.7958 BPR用单、双面未格式化的90mm(3.5英寸)、5.3tpmm(135tpi)盒式软盘.通用物理和磁性要求(以前为AN

标准号：ANSI INCITS 137-1988/AM1-1999
中文标准名称：信息系统.7958 BPR用单、双面未格式化的90mm(3.5英寸)、5.3tpmm(135tpi)盒式软盘.通用物理和磁性要求(以前为ANSI X3.137-1988/AM1-1999)
英文标准名称：Information Systems - One- and Two-sided, Unformatted, 90-mm (3.5-in), 5.3-tpmm (135-tpi) Flexible Disk Cartridge for 7958 BPR Use - General, Physical, and Magnetic Requirements (formerly ANSI X3.137:1988/AM1-1999)
标准类型：L70
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：L70
国际标准分类号：35.220.21
适用范围：The revision contains substantive and editorial changes to ANSI X3.137:1988. The standard specifies the general, physical and magnetic requirements for inter-changeability of the one-and two-sided 90mm (3.5 in) (nominal) flexible disk cartridge (for 7958 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.