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Standard ECMA-100
Data Interchange on 90 mm Flexible Disk Cartridges using MFM Recording at 7 958 ftprad on 80 Tracks on Each Side - ISO Type 301

2nd edition (December 1988)

This Ecma Standard specifies the characteristics of 90 mm flexible disk cartridges recorded at 7 958 ftprad using modified frequency modulation recording, on 80 tracks on each side - ISO Type 301 Link to non-Ecma site. Ecma is not responsible for the contents of the site..

It specifies the mechanical, physical and magnetic characteristics of the cartridge, so as to provide physical interchangeability between data processing systems.

It also specifies the method of recording, the quality of the recorded signals, the track layout and the track format.

Together with the labelling scheme of Standard ECMA-107, this Standard provides for full data interchange between data processing systems.

The following file can be freely downloaded:

File name Size (Bytes) Content
ECMA-100.pdf 2 871 196    Acrobat (r) PDF file

This Ecma publication is also approved as ISO 8860.

The previous replaced "historical" edition of this Ecma Standard is available here.

 

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