Std

INCITS 137-1988(R1994)

Unformatted Flexible Disk Cartridge for Infomation Interchange 90 mm (3.5 in) 5.3 Tracks per mm (135 Tracks per in), General, Physical, and Magnetic Requirements for 7958 BPR Use (formerly ANSI X3.137-1988(R1994))

standard by InterNational Committee for Information Technology Standards (formerly NCITS) , 01/01/1988

📝 Amendments Available

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Full Description

Covers one- and two-sided 90-mm (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.
 

Product Details

Published:
01/01/1988
ANSI:
ANSI Approved
 

Amendments, rulings, supplements, and errata

  1. INCITS 137-1988(R1994) Amendment 1


    Unformatted Flexible Disk Cartridge for Infomation Interchange 90 mm (3.5 in) 5.3 Tracks per mm (135 Tracks per in), General, Physical, and Magnetic Requirements for 7958 BPR Use (formerly ANSI X3.137-1988(R1994) Amendment 1)