Re: two graphics cards and two monitors

From	Dan Ritter <dsr@randomstring.org>
Newsgroups	linux.debian.user
Subject	Re: two graphics cards and two monitors
Date	2017-01-10 17:00 +0100
Message-ID	<sY705-3cI-1@gated-at.bofh.it> (permalink)
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On Wed, Jan 11, 2017 at 12:43:02AM +0900, Mark Fletcher wrote:
> 
> So a generic graphics card circa 2009, with a nVidia GeForce 9800 GTX+ 
> chipset, with an old D-type connector, a DVI connector, and an HDMI 
> connector -- would you expect it to be able to drive more than one 
> display? Given the manual is long since lost and was in a foreign 
> language anyway, any way to interrogate the card to see its 
> capabilities?
> 
> I used to use the DVI connector to connect to the monitor, then later 
> switched to the HDMI, and didn't have to do anything except plug in the 
> right cable at both ends to do that. So clearly, out of the box the same 
> image is being fed to all ports. Any way to find out if it is capable of 
> being cleverer than that?

I would expect it to be able to drive two monitors with
different pictures, and possibly three.

If you are using open drivers, `xrandr` should be able to list
the available outputs and modes and change between them.

If you are using proprietary NVidia drivers, "nvidia-settings"
should be able to work for you.

-dsr-

Thread

two graphics cards and two monitors jurek <jurek.mlynarczyk@o2.pl> - 2017-01-01 22:20 +0100
  Re: two graphics cards and two monitors Sven Joachim <svenjoac@gmx.de> - 2017-01-01 22:30 +0100
  Re: two graphics cards and two monitors Gary Dale <garydale@torfree.net> - 2017-01-01 22:40 +0100
  Re: two graphics cards and two monitors Teemu Likonen <tlikonen@iki.fi> - 2017-01-02 07:20 +0100
  Re: two graphics cards and two monitors Ric Moore <wayward4now@gmail.com> - 2017-01-03 15:40 +0100
    Re: two graphics cards and two monitors Dan Ritter <dsr@randomstring.org> - 2017-01-04 15:40 +0100
    Re: two graphics cards and two monitors Mark Fletcher <mark27q1@gmail.com> - 2017-01-04 15:40 +0100
      Re: two graphics cards and two monitors kamaraju kusumanchi <raju.mailinglists@gmail.com> - 2017-01-05 04:10 +0100
      Re: two graphics cards and two monitors Felix Miata <mrmazda@earthlink.net> - 2017-01-05 04:50 +0100
        Re: two graphics cards and two monitors Mark Fletcher <mark27q1@gmail.com> - 2017-01-10 16:50 +0100
          Re: two graphics cards and two monitors Dan Ritter <dsr@randomstring.org> - 2017-01-10 17:00 +0100
            Re: two graphics cards and two monitors Teemu Likonen <tlikonen@iki.fi> - 2017-01-10 17:30 +0100
              Re: two graphics cards and two monitors Ric Moore <wayward4now@gmail.com> - 2017-01-10 18:10 +0100

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