[Coco] question about MPI and Orch-90

[Darren A]

On Tue, May 7, 2013 at 9:14 AM, Rogelio Perea wrote:
> On Tue, May 7 2013 at 11:02 AM, Todd Wallace wrote:
>
> Ok I swapped out the chips.  Both say TANDY on them. And unfortunately I'm
>> getting the same result with this alternate chip.  PEEK (&HFF90) still
>> reports 255.  Perhaps the newer chip was just an newer version of the
>> coco1/coco2 one.  Rogelio, I heard that the unmodded version on a coco3 has
>> memory conflicts that can result in crashes, data corrupt, etc. I want to
>> get this working properly for coco3 and i have no equipment for coco1/coco2
>> anyways
>>
>
> I guess I've been living on the edge here... for years I have used both the
> 26-3024 (big) and 26-3124 (smaller) MPIs on my CoC 3 with no upgrade, not a
> single time I have ran across a problem. And yet, a little voice kept on
> yelling at me that I anything happened to my data it was going to be my
> fault :-)
>
> Been meaning to upgrade the 3124 MPI for a long while now, just to quiet
> that little voice.
>

I've been using a 3124 MPI without the mod for several years and never
had a problem.  When I recently tried running GoldRunner 2000 the
system would freeze while loading.  It took me awhile but I finally
figured out it was the MPI.  Substituting a 3024 MPI with the PAL mod
fixed it.

Darren