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INCITS 121-1984[S2011]

Two-Sided Unformatted 8-Inch (200-mm) Double Density Flexible Disk Cartridge, General, Physical, and Magnetic Requirements (for 13,262 FTPR Two-Headed Application) (formerly ANSI X3.121-1984 (R2001))

Specifies the general, physical, and magnetic requirements for interchangeability of the two-sided, 8-in (200-mm) (nominal), 48-tracks-per-inch (tpi), flexible disk caratridge (for 13 262 flux transitions per radian (ftpr) for use) as required to achieve unformatted disk cartridge interchange among disk drives using 77 tracks per side and associated information processing systems.

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