[Coco] Modern monitors that work on CoCo 3 and MM/1

[Ken Flanagan]

>From what I've read on Freesync, it's only available on displayport 1.2a
and up or HDMI 1.2 or higher.

On Wed, Mar 12, 2025, 17:16 Christopher R. Hawks via Coco <
coco at maltedmedia.com> wrote:

> On Wed, 12 Mar 2025 18:55:46 -0500
> Robert Emery via Coco <coco at maltedmedia.com> wrote:
>
> > Try the aspect ratio settings, and some monitors have a "just scan"
> > (advanced) setting that might help.
> >
> > On Wed, Mar 12, 2025, 6:36 PM Christopher R. Hawks via Coco <
> > coco at maltedmedia.com> wrote:
> >
> > > On Thu, 6 Mar 2025 20:57:31 -0600
> > > Allen Huffman via Coco <coco at maltedmedia.com> wrote:
> > >
> > > > > On Mar 6, 2025, at 8:48 PM, Christopher R. Hawks via Coco
> > > > > <coco at maltedmedia.com> wrote:
> > > > >
> > > > >    AND freesync ONLY works with HDMI and Display Ports! So the
> > > > > 'freesync' part is moot for the CoCo RGB. G-Sync is only on
> > > > > Display Ports (v1.2a).
> > > > >
> > > > >    What matters is if the VGA port will take a 15KHz signal. I
> > > > > have a couple that do and one on the way that will. None of
> > > > > them are freesync or G-Sync. Most of the previous monitors only
> > > > > sync down to 30 KHz.
> > > > >
> > > > >    Hopefully, the 'sync's will guarantee that ALL inputs can
> > > > > sync to 15 KHz...
> > > >
> > > >
> > > > The plot thickens. Thank you for shedding light on this!
> > > >
> > > > --
> > > > Allen Huffman - PO Box 7634 - Urbandale IA 50323 - 515-999-0227
> > > > (vmail/TXT
> > > > only) http://www.subethasoftware.com -
> > > https://www.facebook.com/subethasoftware
> > > >
> > > >
> > > >
> > >
> > >     Took delivery of the new monitor yesterday. It does work with
> > > the 15KHz signal, BUT!
> > >
> > >     The displays from BASIC (24 lines, WIDTH 80) and NitrOS9 (24
> > > lines) are a bit low on the screen. EOU (25 lines) is so low on the
> > > screen that half of the last line is OFF THE SCREEN.
> > >
> > >     Is EOU mucking with something else?? Vertical for BASIC and
> > > NitrOS9 start and end at the same place on the screen, but, EOU
> > > starts 2 lines higher and the bottom half of line 25 is off screen.
> > >
> > >     The vertical position setting on the monitor only moves the
> > > display a few pixels.
> > >
> > > Christopher R. Hawks
>
>     Aspect Ratio is greyed out for VGA. In fact, all my monitors/TVs
> either don't show it or grey it out for VGA inputs.
>
> Christopher R. Hawks
> HAWKSoft
> --
> I usually find "alt" + "ctrl" + "clawhammer" to work in those
> situations.  I hope to buy an abacus soon, though.
>                 -- Panther Wyvern
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