INCITS 171:1989(S2020)
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The latest, up-to-date edition.
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 bpi Use - General, Physical, and Magnetic Requirements
01-01-2010
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.
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