[Coco] MPI 26-3124

[Mark D. Overholser]

On 15-Oct-17 06:43, Rietveld Rietveld wrote:
>> Original Message
>>> 
>>> From: Josh Harper via Coco <coco at maltedmedia.com> To: CoCoList 
>>> for Color Computer Enthusiasts <coco at maltedmedia.com> Cc: Josh 
>>> Harper <allencoco at yahoo.com> Sent: Sunday, October 15, 2017 2:51 
>>> AM Subject: [Coco] MPI 26-3124
>>> 
>>> Hi guys how can I find out if my mpi is upgraded without opening 
>>> it thanks
>>> 
>> From: Paul Shoemaker Sent: Sunday, October 15, 2017 9:17 AM To: 
>> CoCoList for Color Computer Enthusiasts Reply To: CoCoList for 
>> Color Computer Enthusiasts Subject: Re: [Coco] MPI 26-3124
>> 
>> 
>> Josh, I noticed this on the Cloud-9 site yesterday, by coincidence:
>> Here's a simple test that will determine if your Mulit-Pak has
>> already been upgraded to work with a CoCo 3. From BASIC's OK
>> prompt, type PRINT PEEK(&HFF90) and press ENTER. If 126 is returned
>> then the Multi-Pak has been upgraded. If it returns 255 then it has
>> NOT been upgraded.
>> 
>> 
>> -Paul
>> 
> Be mindful that the upgraded MPI (coco3 safe) is not 100 percent 
> downwards  compatible with all coco2s. The upgrade can interfere with
> some location calls
> 
> Sent from my BlackBerry Passport Red Edition.


Rietveld:

That is true, but according to Erik Gavriluk, "No common hardware does."

<https://www.facebook.com/groups/2359462640/permalink/10155113174542641/>


The Bottom Line is you should be able to Convert ALL your MPIs to work
with the CoCo 3, unless you have "Custom Hardware" for the CoCo 1/2 that
uses the I/O Range of the Modified MPI...


MarkO