[Coco] CoCo2 Strange Side Switches

[Daniel Campos]

Wow! Your CoCo2 seems to have the Tandy expansion to 64Kb. Never saw one of
those....

Daniel

2014-12-03 13:20 GMT-02:00 John Goerzen <jgoerzen at complete.org>:

> Zippster <zippster278 at ...> writes:
>
> >
> > Definitely some kind of mod.  What’s inside the case?
>
> It's still got me puzzled.  Here are photos of the inside:
>
> https://www.dropbox.com/sh/78xxogwuzesjbt7/AAAdhxeRbhH15dAD1prBOih8a?dl=0
>
> I can't say I've ever seen the inside of my CoCo before.  So I have no idea
> what it's trying to do.
>
> On that larger chip (MC6847P), it appears that both switches have a wire
> connected to one of its legs - the second down from the top on the right.
> It is a little hard to determine where the other wire on that chip is
> going,
> but I think it's the top on the right.
>
> Then there's that wire to the smaller chip, and it's connected to the
> top-right leg of it.
>
> Does this give any clues?
>
> John
>
> >
> > - Ed
> >
> > > On Dec 3, 2014, at 8:23 AM, John Goerzen <jgoerzen <at> complete.org>
> wrote:
> > >
> > > Hi,
> > >
> > > So I got a lot of random untested CoCo parts off eBay yesterday.  It
> > > included a CoCo 2 which seems to have been modified or something.  On
> its
> > > left side are two unlabeled switches:
> > >
> > > https://www.dropbox.com/s/avmph8x7oykd222/coco-switches.jpg?dl=0
> > >
> > > Anybody seen this before?  Any idea what it's about?
> > >
> > > I haven't plugged it in or anything yet, because I want to understand
> what
> > > these switches are about first (if possible).
> > >
> > > Obviously, my original CoCo 2 doesn't have these.
> > >
> > > Thanks,
> > >
> > > John
> > >
> > >
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>
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>
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