Re: Did Commodore cheat with the quad density floppies?

From: Mia Magnusson <mia_at_plea.se>
Date: Tue, 8 Jan 2019 18:13:01 +0100
Message-ID: <20190108181301.00003106@plea.se>
Den Tue, 8 Jan 2019 17:53:36 +0100 skrev Francesco Messineo
<francesco.messineo@gmail.com>:
> On Tue, Jan 8, 2019 at 5:39 PM Gerrit Heitsch
> <gerrit@laosinh.s.bawue.de> wrote:
> >
> > On 1/8/19 5:07 PM, Mike Stein wrote:
> > >
> > > I think it was a clever hack; if you insist on seeing it as
> > > evidence of the incompetence of the designers and engineers who
> > > had to build it within the usual constraints, so be it.
> >
> > It was a clever hack. But it also meant you were limited to only 2
> > drives per Controller where the standard back then allowed up to 4
> > drives on a cable.
> 
> I don't really have a strong opinion on this, but I'd like to have a
> better background. How did the various CP/M machines 'solve' this
> issue? Did both motors start together or did they have separate cables
> for each drive?

Microbee 128 ran all drive motors when any drive motor needed to be on.



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Received on 2019-01-08 19:01:28

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