[Coco] Mutiipack

[David Ladd]

Cloud9 does in fact still sell the PAL upgrades for the 26-3024.
Though the 26-3124 MPI's Cloud9 has listed those should be sent in to
be upgraded because of the complexity of the upgrade.



On Sep 6, 2012 5:55 PM, "Frank Pittel" <fwp at deepthought.com> wrote:
>
> Not sure if it's still the case but Could 9 sold the PAL upgrade chip and
> had instructions for doing the upgrade on the newer multipaks.
>
> The Other Frank
>
>
> On Thu, Sep 06, 2012 at 05:35:56PM -0400, Bruce W. Calkins wrote:
> >
> > ----- Original Message ----- From: "Darren A"
> >
> > On Thu, Sep 6, 2012 at 2:41 PM, Luis Fernández wrote:
> > >
> > >Hello friends
> > >I need to understand some things.
> > >The Grey multipack can connect to the coco 1, 2 or 3
> > >The white multipack coconut can connect to the 1, 2 or 3
> > >26-3029 controller can be used in the coco2 or 3? I think not
> > >The controller DISK DRIVE FD-500 can be used in coco1, and can use
> > >gray disk drives?
> > >
> >
> > All MultiPaks will work with all CoCos, but an upgrade may be needed
> > to use them with a CoCo3.  The older model (like the grey) needs only
> > a new PAL chip. The later model requires a more complicated upgrade.
> >
> > All of the Tandy floppy controllers will also work with all CoCos.
> > However, the earliest model (26-3022) requires a 12 volt supply and
> > therefore requires either a MultiPak or 12v external power to be used
> > with a CoCo 2 or 3.
> >
> > Darren
> >
> > ===================
> >
> > Upgrading the earlier MultiPak requires that one find a programed
> > PAL/GAL chip.  I have heard of piggybacking the PALs with a switch
> > too for backwards compatability.  Upgrading the newer version
> > MultiPak uses (IIRC) a 74LS10 and a little effort soldering it on
> > piggyback and running a few wires and cutting a trace.  I did not
> > find it hard and at the time it was easier than finding a programed
> > PAL for the older one.
> >
> > Bruce W.
> >
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
>
> --
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