Prototype IBM DemiDiskette drive

22 Aug 2018

On Wed, Aug 22, 2018 at 3:11 PM, Fred Cisin via cctalk <
cctalk at classiccmp.org> wrote:

...
  Are you sure that that was 750ms track to track step,
not 75ms?

Yes. From innermost track back to track 0 was even slower.