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Data interchange on 130 mm flexible disk cartridges using two-frequency recording at 7 958 ftprad on one side

1st edition, September 1980

This Standard ECMA-66 specifies the characteristics of a magnetic flexible disk cartridge to provide physical interchangeability between data processing systems. It also specifies a standard track format.

Together with the labeling system specified in another ECMA Standard, the track format in this Standard provides for full data interchange between data processing systems on 35 tracks.


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Technical CommitteeTC19 (this TC is no longer active)