[mythtv-users] Getting same output on tv and monitor nvidia mx440

Allen Edwards allen.p.edwards at gmail.com
Tue Dec 23 16:58:24 UTC 2008

On Mon, Dec 22, 2008 at 8:20 PM, Jonny B <jon.the.wise.gdrive at gmail.com>wrote:

> On Mon, Dec 22, 2008 at 10:45 AM, Ben Edwards <list4me2 at googlemail.com>
> wrote:
> > I have got my TV Out working on a nvidia MX440 using
> >  Option "TwinView" "1"
> > and this gets dual screen (Tv and monitor) working but rather than
> > extending desktop to the second screen I want the same on the monitor
> > and TV.
> >
> > Any ideas?
> > Ben
> Well, assuming you're using the nvidia driver (which is the only way
> the twinview xorg option would work) you should look at the readme for
> the driver. It has an entire list of all the options that you can put
> in and what they do. Go to the nvidia site adn read the readme for the
> version of driver you are running.
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And when you do that, be aware that the driver and the documentation don't
always match with nvidia so if something doesn't work, it may not be you.

I was unable to get what you are suggesting to work satisfactorily.  The
problem was that the different resolutions required by the TV and the
monitor just wasn't allowed.  It turns out I actually didn't want to watch
both displays at the same time.  What I ended up doing was configure
xorg.conf for both displays but let myth boot to the highest priority
display, the monitor.  If I want to watch the TV, I disconnect the monitor
and restart X.  Sounds bad but works great for us.  In my case, I use DVI
for a projector and S-Video for the TV.  I have a DVI switching processor so
I just set it for another input and restart X and we are good to go for the
TV.  If I want to project the signal, I switch the processor to Myth and
restart X.  Before the projector has warmed up, myth is on.  Reverse when I
turn the projector off and myth is ready before we turn on the TV again.

Maybe this will work for you.

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