On 9 Feb 2007 at 17:22, Geoff Reed wrote:
From memory
here... isn't the ONLY 'physical' difference between the 400K
and 800K
mac formats that the 400K is single-sided, double density (the
density formerly called quads density on 5 1/4" media) and 80K is Double
sided Double Density? (and yes, I am pretty sure I remember that the 400 and
800K aren't a standard MFM format... weren't they GCR or something equally
bizarre?
Yes, something "equally bizarre". I don't even know how one talks
about "double" or "single" density with these things. I mean, are
Apple ][ diskettes "double" or "single density"?