[Coco] MM/1 monitor solutions?

[Robert Emery]

Newly discovered that my ViewSonic VS2755 works with a straight VGA cable.

I suspect any new monitor that supports "freesync" technology will work.
Probably requires 15kHz support to qualify for that branding.

Perhaps retro-gamers have more impact on the market than we thought..?

On Thu, Feb 27, 2025, 8:50 PM Richard Goedeken via Coco <
coco at maltedmedia.com> wrote:

> The Dell U2410 will also sync to 15khz and has a ton of inputs.
>
> Richard
>
> On 2/26/25 18:48, Allen Huffman via Coco wrote:
> >> On Feb 26, 2025, at 5:32 PM, David Ladd via Coco <coco at maltedmedia.com>
> wrote:
> >>
> >> There are two types of connections depending on model of MM/1. One is a
> >> DE-9 analog RGB or a 10 PIN IDC with the same pinout as the CoCo3.
> >> There are a few options you have is a custom cable from the MM/1 to a
> SCART
> >> box with one of the RGB lines fed to the composite sync line as well,
> and
> >> you must use the same SCART caps & resistors as the CoCo3 SCART cables.
> >> Second option is running the green analog line and ground wire to a
> >> composite connector.  I have tried this with a composite capture device
> >> making it a black/white image and I got a picture since the video chip
> in
> >> the MM/1 puts a composite sync signal on all RGB lines.
> >
> > Ah, I didn’t know about the square one. Mine is a Blackhawk unit and it
> has a DB9. I hacked my CM-8 cable, cutting off the end and putting a DB9
> not he cable, then the opposite gender on the cut off square, so I could
> move my cable between CoCo and MM/1.
> >
> > Now, I have not looked at the Microware MM/1 I have — it was an early
> model, so it might have the CoCo connector.
> >
> > It didn’t dawn on me I could go SCART with this but that makes sense. I
> just need someone to build me the DB9 cable (though maybe I could manage
> that little bit of soldering).
> >
> > Also, uptopic was a mention of a modern monitor that would “just work”
> with the Amiga, etc. so if that could work with CoCo and MM/1, I’d love to
> have something like that. I need a new monitor for it anyway ;-)
> >
> > --
> > Allen Huffman - PO Box 7634 - Urbandale IA 50323 - 515-999-0227
> (vmail/TXT only)
> > http://www.subethasoftware.com -
> https://www.facebook.com/subethasoftware
> >
> >
> >
>
>
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