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

[Robert Emery]

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
> HAWKSoft
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