TDS3000B USB floppy emulator


John Ferguson
 

David,

This may not be that illuminating, but my memory from the time these disks were in daily use was that there were drive differences as well as disk differences and that it was not at all certain that a particular disk could be read in nay drive.  Their were different coating formulations, ED, DD, and HD.  I suspect that the DD (Double Density) forumulation worked at 720 KB and the HD at something like 1.4 MByte.

I'm pretty sure that an HD disk will not work on a DDdrive for example.

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