[Coco] Upgrade MPI?

[Sean]

One issue I had with a non-upgraded MPI back in the day was that I couldn't
use any terminal programs with an RS-232 pak, characters would get dropped
and garbled with my blazing fast 2400 baud modem.



On Thu, May 7, 2015 at 8:16 AM, Christopher Barnett Fox <cbfox01 at syr.edu>
wrote:

> What are the "symptoms" of a non-upgraded MPI? I have one connected to my
> CoCo 3 today, and everything seems to work fine. Is there a specific
> operation we could perform that would demonstrate the issue?
>
> I recall someone on the list was working on a modern MPI replacement. Is
> that project at the point where a kit or finished product is available to
> purchase?
>
> Thanks!
>
> christopher
>
>
> On 2015/05/06/, 6:23 PM, "Robert Gault" <robert.gault at att.net> wrote:
>
> >Joe Grubbs wrote:
> >> Through sheer blind luck I have acquired a Tandy branded 26-3124 MPI.
> >>It looks barely used, and more importantly, the OE warranty sticker is
> >>still in tact. Because it is "virgin" I'm reluctant to give it the CoCo3
> >>PAL upgrade. Am I being ridiculous?
> >>
> >
> >If you want to use it with a Coco3, upgrade it! It really is not an
> >"upgrade to
> >make it 'better'" but a required change to prevent ghosting of I/O bytes
> >into
> >the GIME region. If you intend to use it with a Coco1 or 2, you do not
> >need to
> >make any changes.
> >
> >
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>
>
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