[Coco] MPI Schematics in PDF?

[jdaggett at gate.net]

On 2 Mar 2009 at 22:44, Robert Gault wrote:

> Joel Ewy wrote:
> > Addendum:  I notice that there is one in Frank Swygert's book
> > "Tandy's Little Wonder".  However the scan is really illegible to
> > the point that I can't even figure out what chip is what.
> > 
> > JCE
> > 
> > Joel Ewy wrote:
> >> I was fairly certain I'd seen schematics for various models of the
> >> Multi-Pak Interface floating around, but can't locate any at the
> >> moment.  I do have my original manual for my 26-3124, which
> >> includes a schematic, but it isn't very illuminating since it is
> >> all just one big ASIC.  So what I'm really looking for is the
> >> 26-3024 PAL-based model.  (Were there other models of the MPI?)
> >>
> >> Anybody know off hand where such a schematic is available?
> >>
> >> JCE
> 
> Try the manual here
> ftp://maltedmedia.com/coco/MANUALS1/TANDY_HW/PAK/MULTIPAK
> 
The schematics will be found in the service manual and not the user 
manual.

Besides I have redrawn the 3024 schematic in Eagle and can reproduce a 
PDF of it. 

james