[Coco] MPI 26-3024

[Steven Hirsch]

On Tue, 28 Apr 2009, Rogelio Perea wrote:

> The 3024 MPI is the bigger unit, upgradeable via the updated PAL chip.
>
> The 3124 MPI is the smaller newer unit, the one with the satellite
> board upgrade.

Sorry.  I did have that bass-ackwards.

> The URL provided points to a page with *more* than a photo, and I quote:
>
> "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."

Totally missed that.  I now have it bookmarked.  That certainly is easier 
than disassembly!

>> How does a photo of a PAL help Bill evaluate his unit?  At any rate, if this
>> is the small, beige unit you will have to remove the case cover and look for
>> a little daughterboard with a bunch of wires connecting it to various points
>> on the main circuitboard.

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