[Coco] multipak

Bruce W. Calkins brucecalkins at bellsouth.net
Mon Jan 24 16:07:43 EST 2005


The circuit boards are indeed different.  The 26-3024 upgrades by swapping
the PAL (Programmable Array Logic) chip with one that is programmed
differently.  The 26-3124 is upgraded by adding a TTL 74LS?? chip, cutting a
trace and adding some wiring.  Aside from that, they function the same.

Bruce W.


> Ash:
>
> As far as I know, it's just the size that is different.
>
> Jim
>
> On Mon, 24 Jan 2005 06:40:30 -0700
>   Ash <teamick at cox.net> wrote:
> > what are the differences between the 26-3124 and 26-3024
> >mpi's? beside the 3124 being smaller and having a more
> >angular case. mark says he has both with the coco3 pal
> >chip.



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