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INCITS 125-1985 (S2021)
Two-Sided, Double-Density, Unformatted 5.25 Inch (130 mm) 48-tpi (1.9 tpmm) Flexible Disk Cartridge for 7958 BPR Use
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.
CONTENT PROVIDER
InterNational Committee for Information Technology Standards [incits]
InterNational Committee for Information Technology Standards [incits]