[Coco] 26-3124 MPI

Henry Rietveld rietveldh at hotmail.com
Fri Nov 18 20:32:51 EST 2016

Thanks for the advice. It seems like I will be better of using it with my coco2 for now. I definitely don't want to take a chance with my coco3

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  Original Message  
From: Rogelio Perea
Sent: Friday, November 18, 2016 8:18 PM
To: CoCoList for Color Computer Enthusiasts
Reply To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 26-3124 MPI

On Fri, Nov 18, 2016, Henry Rietveld wrote:

How do I update it. I understand it's not as easy as swapping the PAL like
> the older ones

There are two ways to go at this, one - and probably the cleanest - is to
redo the upgrade board that Radio Shack installed on the 3124 MPIs. Details
of the schematic and how-to proceed can be found at:


A revision to that process has the required logic chip piggy-backed on
another inside the MPI:


Either way, the upgrade is not for a tender foot on electronics tinkering
skills ;-)

-- RP

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