Historical

ANSI INCITS 137-1988/AM1-1999

Information Systems – One- and Two-sided, Unformatted, 90-mm (3.5-in), 5.3-tpmm (135-tpi) Flexible Disk Cartridge for 7958 BPR Use – General, Physical, and Magnetic Requirements (formerly ANSI X3.137:1988/AM1-1999)

The revision contains substantive and editorial changes to ANSI X3.137:1988. The standard specifies the general, physical and magnetic requirements for inter-changeability of the one-and two-sided 90mm (3.5 in) (nominal) flexible disk cartridge (for 7958 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.

CONTENT PROVIDER
InterNational Committee for Information Technology Standards [incits]

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