Copying Mac Disks with a Single Drive

[Fred Cisin]

On Fri, 9 Feb 2007, 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, the 300K Mac format is single sided, and the 800K is double sided.
They are both GCR, NEITHER is normally called "double density".

The 1.4M Mac format IS MFM/"double density" although the marketing people
call it "high density"