[Coco] CoCo2 Strange Side Switches

[John Goerzen]

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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