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 .
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:
||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.