標準號：ANSI INCITS121-1984
中文標準名稱：雙面、非格式化、8英寸(200毫米)、雙密度盒式軟盤(適用于13262FTPR雙頭)的通用、物理和磁性要求
英文標準名稱：Two-Sided Unformatted 8-Inch (200-mm) Double Density Flexible Disk Cartridge, General, Physical, and Magnetic Requirements (for 13,262 FTPR Two-Headed Application)
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 interchangeability of the two-sided, 8-in (200-mm) (nominal), 48-tracksper- inch (tpi), flexible disk cartridge (for 13 262 flux transitions per radian (ftpr) use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 tracks per side and associated information processing systems. The two-sided flexible disk cartridge enclosed in a protective envelope and having 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.