In article ,
Franc Zabkar wrote:


SMSC had a USB bridge chip (USB97CFDC2-01) that supported "640K, 720K,
1.44M, 1.2M Windows 98 J, and 1.2M NEC DOS 6.x Formats":

It could be worth exploring. Thanks, Franc. The worst case scenario, I
end up with another shiny new vintage computer. I was told elsewhere
that I might have luck if I track down a first gen USB 3.5" floppy
because it might also contain the logic for a 5.25". There's some
possibilities yet.

Anthony