[Coco] Four slot MPI project

[James Jones]

There are indeed such adapters; a friend of my wife's has an old laptop
that doesn't know from SATA, and we were looking into whether it's worth
upgrading with RAM and an SSD. We ran across devices built to fit the 2.5"
form factor that you can plug an M2 SATA SSD into and then connect to
something expecting PATA.

On Sun, Jul 29, 2018 at 9:47 PM, Dave Philipsen <dave at davebiz.com> wrote:

> A SATA interface is not an easy thing to design or support considering
> that there are no drivers to support it in the 6809 world and that you
> would not see a performance benefit over parallel ATA (in the 6809 world).
> There are inexpensive adapters still available (I believe) that would do
> the conversion between parallel ATA (IDE) and SATA which would probably be
> much easier to work with considering that the PATA is a much simpler
> interface for which we already have support for the CoCo.  The PATA
> interface has way more throughput than any CoCo at any speed would ever be
> able to utilize.
>
> The SATA interface is pretty complex and runs at gigabit speeds. I’m not
> saying it can’t be done but I’m not sure the effort would be worth it.
>
> Dave
>
> >> On Jul 29, 2018, at 1:56 PM, Gene Heskett <gheskett at shentel.net> wrote:
> >>
> >
> > But we seriously need a sata interface, and to widen the market count,
> it
> > should not be an adapter from scsi to sata, as that would limit it to
> > use with the relatively few scsi interfaces about. It should plug
> > directly into a multi-pack. And because the drives are huge in
> > comparison to what the coco can address, how about a dip switch to set
> > the offset such that it could mimic 50 or so 2GB drives. Or even a
> > register that could be poked from the startup to set that offset
> > for /s1, leaving /s0 available as the default boot drive, but all on one
> > SSD.
> >
> > --
> > Cheers, Gene Heskett
> > --
> > "There are four boxes to be used in defense of liberty:
> > soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> > Genes Web page <http://geneslinuxbox.net:6309/gene>
> >
> > --
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>
>
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