On Thu, Oct 31, 2013 at 02:40:15PM +0200, Alan McKinnon wrote:

> On 30/10/2013 04:32, Dale wrote:
> > Howdy,
> > 
> > Quick question.  I have a Nvidia GeForce GT 220 video card.  It has a
> > VGA and a HDMI connection.  My question, if I hook a monitor to each
> > port, they will both have the same pic right?  
> 
> Depends on the card.
> 
> It might have two "processors"[1], one for each output then it will be
> dual-head and you can have different output to each.
> 
> Or it might have one "processor" and two outputs coming from the same
> place. That's the same picture on both, call this dual-screen if you will.
> 
> ignore what Google says. Read the actual nVidia spec sheet, that tells
> you what you really have.

Well, even the teensie bitty graphics inside my netbook can manage two
separate screens between which windows can be moved around, albeit with
limited pixel count (1400x1050 is the maximum for external monitor).
I can't imagine there's anything weaker on the graphics market these
days than an Atom IGP from a few years ago.

That's within a single xorg session though, I never tried separate xorgs
per output.

$ xrandr --output LVDS --auto --primary --output VGA --left-of LVDS --auto
would give me two screens, the primary on the internal screen and on the
VGA output the second one which is logically placed left of the internal
picture.
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