[Coco] Of Multi Pak Interfaces...

[Arthur Flexser]

Out of curiosity, what would happen if you plugged one multipack into
another, or more gracefully accomplished the equivalent through a
connecting ribbon cable?  Could one get 7 slots that way, perhaps via some
minor modifications to the circuitry?

Relatedly, how do 3rd party MPIs with more than 4 slots do slot selection?
Is bit 2, in addition to bits 0-1 of $FF7F, used?

Art

On Wed, Mar 25, 2015 at 6:05 AM, Rogelio Perea <os9dude at gmail.com> wrote:

> With the recent trend on the MPIs becoming a hot item on Ebay (for one
> on-line selling venue), I wonder how those who have an MPI on active duty
> are using it for. Radio Shack pushed the MPI first as a convenient way to
> switch between Paks. With the accessories that came later the MPI 4 slots
> could be taken as not enough ;-)
>
> I have two on MPIs duty, one with an F board (a 3024 MPI) and one with a
> CoCo (upgraded 3124). The setup on both is almost the same:
>
> Slot 4 - Disk Controller , a 3029 for the CoCo 1 and a FD-502 for the 3
> Slot 3 - Speech and Sound pak on the CoCo 1, Rulaford Research MIDI on the
> 3
> Slot 2 - Orchestra 90 on both for the most time, sort of the wild card slot
> for both CoCo setups
> Slot 1 - CoCo SDC, has become the mainstay on both MPIs
>
> Beyond this I don't do much Pak swapping, maybe an occasional RS232 here or
> there, a game once in a while (many on SDC images nowadays). Can say the
> list above is the official setup.
>
>
> -- RP
>
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