標準號：ANSI INCITS125-1985
中文標準名稱：信息系統.適用于7958BPR的雙面雙密度非格式化5.25-Inch (130-mm)、 48-tpi (1.9-tpmm)盒式軟磁盤.通用、物理和磁性要求
英文標準名稱：Two-Sided Double Density Unformatted 5.25 Inch (130 mm) 48 Tracks per Inch (1.9 Tracks per mm) Flexible Disk Cartridge, General, Physical, and Magnetic Requirements (for 7958 BPR use)
標準類型：L64
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：L64
國際標準分類號：35.220.21
適用范圍：This standard specifies the general, physical, and magnetic requirements for the interchangeability of the two-sided, 5.25-inch (130-mm) (nominal), 48-tracks-per-inch (tpi) 1, 9-tracks-per-millimeter (tpmm) flexible disk cartridge (for 7958 bits-per-radian (bpr)use) as required to achieve unformatted disk cartridge interchange among disk drives using 40 tracks per side and associated information processing systems. The twosided flexible disk cartridge in a protective envelope having two recording surfaces is of the type intended specifically for digital recording and reproducing equipment employing access mechanisms capable of positioning to these data tracks.