[Coco] eBay MPI Heads Up (and how damage can be done)

[Stephen H. Fischer]

The Good mans work was found quickly using "Rainbow text searchable index v1.pdf".

Goodman, Marty. Upgrade Your Multi-Pak"; October 1991, p.052.
Using the MPI with the CoCo 3.

Marty explains why the upgrade is MANDATORY to use a MPI with a CoCo 3 and how damage can be done. 

SHF

----- Original Message ----- 
From: "K. Pruitt" <pruittk at roadrunner.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, May 29, 2015 4:30 PM
Subject: Re: [Coco] eBay MPI Heads Up


> Here's a picture of the innards.
> 
> https://www.dropbox.com/s/i9xwgxtwwibbs6l/DSC01405.JPG?oref=e
> 
> As suspected, it contains a mod to allow it to be used with a Coco 1/2 or a 
> Coco 3.
> 
> The board was apparently manufactured by Marty Goodman as it has his name on 
> the board. Some of the traces show signs of repair.  I'll take a loop to it 
> later prior to testing. I have no clue as to which position of the switch is 
> which. But there may be detailed information about Marty's mod on the 
> Internet. I seem to recall seeing it somewhere. If not on the 'net then in 
> Rainbow.
> 
> Thanks Bill.  Much appreciated.
> 
> 
> ----- Original Message ----- 
> From: "Bill"
> Sent: Friday, May 15, 2015 4:17 AM
> Subject: Re: [Coco] eBay MPI Heads Up
> 
> 
>> I'm the seller. Unfortunately, I can't claim anything, except that it's 
>> grey. I got the MPI in a lot purchase a few months ago, but my health will 
>> not let me continue much research into it, so I am selling the entire lot 
>> of stuff. I only responded because I saw mention of another one, and 
>> thought mine would be less expensive.
>>
>> Who knows, it might be VERY valuable. :)
>>