Copying Mac Disks with a Single Drive

Chuck Guzis cclist at
Fri Feb 9 19:36:09 CST 2007

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"?

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