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Re: RANDR 1.2 heads up



On Fri, 2007-03-09 at 17:00 -0500, Adam Jackson wrote:
> On Fri, 2007-03-09 at 15:08 -0500, Thomas J. Baker wrote:
> > On Thu, 2007-03-08 at 14:16 +0100, Tomas Janousek wrote:
> > > Hi,
> > > 
> > > On Thu, Mar 08, 2007 at 09:27:17AM +0100, Ralf Ertzinger wrote:
> > > > How does one actually do this? Do I have to configure the monitors
> > > > in xorg.conf, or are they autodetected? What program do I use to
> > > > tell xorg to turn the monitors on and off?
> > > 
> > > Using the xrandr command. For example, a command
> > >     xrandr --output VGA --mode 1024x768 --pos 0x800
> > > will add the external monitor below my laptop panel.
> > > 
> > > But you may have to configure a separate Monitor section for the external
> > > monitor to be able to use modes other than those from the LVDS, which is done
> > > by a line in the Device section:
> > >     Option "Monitor-VGA" "name of the monitor"
> > > 
> > > -- 
> > > TJ., BaseOS, Brno, CZ
> > > 
> > 
> > Which version of xrandr do you have installed? Those don't seem to even
> > options in the FC7 one I have:
> 
> Yeah, entirely my fault, the package never got off my hard drive.
> Should be available tomorrow.
> 
> - ajax
> 

I have a laptop with i945 graphics. Any reason why the screen would be
limited like it seems to be:

continuity> xrandr
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 1280 x 1280
VGA connected (normal left inverted right)
   1280x1024      75.0     59.9  
   1152x864       74.8  
   1024x768       75.1     60.0  
   800x600        75.0     60.3  
   640x480        75.0     60.0  
   720x400        70.1  
LVDS connected 1280x800+0+0 (normal left inverted right) 261mm x 163mm
   1280x800       60.0*+   60.0  
   1280x768       60.0  
   1280x720       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
TV disconnected (normal left inverted right)
continuity> xrandr --output VGA --mode 1280x1024 --pos 1281x0
xrandr: screen cannot be larger than 1280x1280 (desired size 2561x1024)
continuity> xrandr --output VGA --mode 1024x768 --pos 1281x0
xrandr: screen cannot be larger than 1280x1280 (desired size 2305x800)
continuity> xrandr --output LDVS --mode 1280x800 --output VGA --mode 1024x768 --pos 1281x0
xrandr: screen cannot be larger than 1280x1280 (desired size 2305x800)
continuity> 

I connect up a Dell 2407 LCD display which doesn't seem to be correctly
detected (1920x1200 native resolution) and then my max resolution
doesn't seem to allow for much expansion. I thought the driver would
borrow system memory as needed (so that this is not a memory problem)?

Thanks,

tjb
--
=======================================================================
| Thomas Baker                                  email: tjb unh edu    |
| Systems Programmer                                                  |
| Research Computing Center                     voice: (603) 862-4490 |
| University of New Hampshire                     fax: (603) 862-1761 |
| 332 Morse Hall                                                      |
| Durham, NH 03824 USA              http://wintermute.sr.unh.edu/~tjb |
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