On Sat, 21 Jan 2023, dave.g4...@gmail.com wrote:
It depends. 1.2Mb drives write a narrower track so if you put in a 360 or 640 disk in that?s already been written and write to it, then
That's not correct, the "640" disk would also be 96tpi, so you can read and write it without issues in a standard 96tpi HD drive (in DD mode of course).
Christian