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ANSI/INCITS 89

81st Edition, January 1, 2017

Complete Document

Unrecorded Single-Disk, Double-Density Cartridge (Front Loading, 2200 BPI, 200 TPI), General, Physical, and Magnetic Requirements

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , 2017


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Product Details:

  • Revision: 81st Edition, January 1, 2017
  • Published Date: January 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American National Standards Institute (ANSI)
  • Page Count: 40
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This standard specifies the general, physical, and mag netic requirements for interchangeability of the singledisk cartridge (front loading) as required to achieve unrecorded cartridge interchange between disk storage drives and associated information processing systems. The single-disk cartridge (front loading), with two recording surfaces, is of the type intended specifically for USCw ith digital recording and reproducing equipments employing access mechanisms capable of positioning to 400 usable data tracks on each surface. The requirements for three additional track areas on each recording surface are identified for use as alternates in case of difficulty in reading or recording on any usable data tracks.

The general, physical, and magnetic requirements for the single-disk cartridge specified in this standard include:

(1) Operating, storage, and test environments for the cartridge

(2) Physical dimensions of the cartridge and its components

(3) Materials and testing specifications where necessary

(4) Magnetic recording and reproducing geometry, including track locations

(5) Magnetic surface and track quality test specifications and requirements

(6) Supporting diagrams, measurement methods, and an appendix to provide clarity and completeness of the standard