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)
The latest edition of this Ecma Standard is available here.
You can download the previous replaced "historical" edition of this Ecma Standard, free of charge:
|ECMA-100 1st edition
||Acrobat (r) PDF file