Catweasel support for Intel M2FM working!

Brian Lanning brianlanning at
Fri Oct 9 21:34:02 CDT 2009

Sorry to hijack the thread.  But could you tell me if this linux catweasel
tool can read and write apple 2e and 2gs 5.25" and 3.5" floppies?  Thanks.


On Thu, Oct 8, 2009 at 6:23 PM, Steven Hirsch <snhirsch at> wrote:

> I'm pleased to announce that the maintainer of Linux cwtool has implemented
> working support for reading and writing Intel M2FM "DD" diskettes as used
> with the Intellec development systems :-).
> Karsten did some analysis of raw bit images I sent him and produced a
> working driver within a week!  As a "smoke" test (my MDS800 is not
> functional at the moment), I duplicated the ISIS-II system diskette and sent
> the copy to a person with a working system.  It boots, catalogs and
> otherwise looks fine.
> I have about 20-25 original distribution diskettes for the MDS800 and will
> get busy imaging them ASAP.  Who would be willing to host these?
> They are "cooked" images, so it would be possible to extract the files from
> them with a bit of work.  However, they're obviously of the most use to
> folks with access to a Catweasel board (and an Intellec system).

More information about the cctalk mailing list