On Wed, 2 Oct 2024, Bill Degnan via cctalk wrote:

On Wed, Oct 2, 2024 at 10:01 AM geneb via cctalk <cctalk@classiccmp.org>
wrote:

On Wed, 2 Oct 2024, Bill Degnan via cctalk wrote:

I assume it's not easy to copy alignment disks, but I guess I will find
out.


It's actually not possible to copy them.  Not for any "copy protection"
reasons, but just the very nature of the analog signal laid down on the
disk.  No "regular" disk drive can recreate the signal.


Do you have a Dysan disk tester?

No. I used to have a number of Shgart 5.25" alignment disks, and I think one made by Dysan.

I've got a couple of Lynx drive excercisers around here somewhere as well.

g.

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