Re: A2Central News

[Greg Buchner <apple22@mn.rr.com>]

In article <eej8vc$ohb$1@merope.saaf.se>,
 pausch@saaf.se (Paul Schlyter) wrote:

> In article <20060917134844451+1200@News.Individual.NET>,
> Roger Johnstone  <roger@roger.geek.nz.removethisbit> wrote:
> 
> > In <eegbe1$2nuq$1@merope.saaf.se> Paul Schlyter wrote:
> > 
> >> Btw, true Mac devotees must have a hard time now: many years ago,
> >> Apple abandoned the GCR diskette format on the Mac and went for MFM
> >> like everyone else.
> > 
> > They supported GCR disks on all Macs until they dropped the floppy drive 
> > all together.
> 
> My wife has an old Powerbook - don't know the model number bit it's
> from around 1993.  When formatting a floppy, that powerbook does not
> offer you to choose between a GCR and an MFM floppy.  The formatted
> floppy is then always readable on a PC (special software is required
> to access a floppy with the Mac OS file system though), which means it
> must be an MFM floppy.  Perhaps newer Macs can only read and write but
> not format GCR floppies?

It depends on the selection on the Mac.  If you choose 400K (if 
supported by the OS) or 800K on a double density disk, it does GCR.  If 
you do 720K on a double density disk or put in a high density disk, it 
does MFM.

Greg B.

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