[Coco] Dual monitors on a Coco 3?

[Rod Barnhart]

Not entirely true. You could do dual monitors on the original 5150, if you
had both an MDA card and a CGA card, so one would be monochrome and the
other color.

On Mar 13, 2017 11:02 AM, "Paul Shoemaker" <paulfe3 at swbell.net> wrote:

That's amazing, isn't it?  Our favorite $200 8-bit computer could run THREE
video displays simultaneously back in 1986!  Mainstream MS-DOS/Windows PCs
couldn't do that until, what... the late 90's?  And even then the needed to
do it was definitely not cheap.
What a cool little machine we have.


      From: L. Curtis Boyle <curtisboyle at sasktel.net>
 To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
 Sent: Sunday, March 12, 2017 3:59 PM
 Subject: Re: [Coco] Dual monitors on a Coco 3?

Actually, all 3 outputs work at the same time (RF/TV out, composite and
RGB), from what I recall. The color sets between RGB and the other two are
different, however.

L. Curtis Boyle
curtisboyle at sasktel.net



> On Mar 12, 2017, at 1:21 PM, Allen Huffman <alsplace at pobox.com> wrote:
>
> On Mar 12, 2017, at 2:19 PM, Paul Shoemaker <paulfe3 at swbell.net> wrote:
>>
>> I was wondering whether it is possible to connect both a RGB monitor and
small TV using the RF out connector at the same time?  Does the Coco's
video hardware send signals to both all the time?  Or does it sense when
one is in use and disable the other?
>> Currently I am switching my Coco 3 back and forth from a VGA monitor
(using Justin's amazing RGB to VGA device) for typical usage to a
television using the RF connector when I want to see artifact colors.
>> I'm nervous to try connecting both at the same time, because I don't
want to damage my one and only Coco 3!
>> Has anyone ever tried this?
>
> Yes, it works fine.
>
> When I vended at the CoCoFESTs, I had an RGB Monitor facing the isle for
folks to see, and a composite one facing me.
>
>
>
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