[Coco] Utility To Determine If A Floppy Has Never Been Used

[Phill Harvey-Smith]

On 29/05/2013 10:45, Bruce W. Calkins wrote:
> Hello Everyone,
> I remember reading about a utility that could read ANY type of floppy no
> matter what it was and put the contents of the disk into a file on the PC.
> I believe this was an external PCB with USB capability.
>
> This device lead me to the thought -  can this device tell me if a floppy
> has NEVER been used?

There is the Kyroflux(sp?) but I guess you'd have to sample the 
magnetization of the disk track and check to see if there was a pattern 
(even if it's not in a format that can be recognized, e.g. GCR instead 
of MFM), or if it's just completely random.

Cheers.

Phill.