[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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