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Old 10-18-2013, 05:44 AM   #1
Registered: Jul 2009
Distribution: Archlinux
Posts: 65

Rep: Reputation: 3
Matching display in xorg.conf by its model or by graphics adapter

Hi. I have a dual boot system: Archlinux and Windows from which I boot the same Arch in Virtualbox.

I have 2 displays:
- 1440x768
samsung syncmaster 920nw
pc---dvi port---dvi/vga adapter---vga cable---vga port---display

- 1920x1080
samsung s24c350bl
pc---hdmi port---hdmi/dvi cable---dvi port---dispaly

Arch fails to recognize the right resolution 1440x768 and allows only 1024x768.
I'm following this post
I've obtained the modeline config for it:
"1440x900" 106.670 1440 1520 1672 1904 900 901 904 932 -hsync -vsync
and added it to /etc/X11/xorg.conf.d/10-monitor.conf :
Section "Monitor"
    Identifier          "Monitor0"
    ModelName           "SyncMaster 920NW"
    VendorName          "Samsung"
    ModeLine            "1440x900" 106.670 1440 1520 1672 1904 900 901 904 932 -hsync -vsync

Section "Screen"
    Identifier          "Screen0"
    Monitor             "Monitor0"
    SubSection "Display"
For the big virtual screen I also have:
Exec=xrandr --output VGA1 --auto --output HDMI2 --auto --right-of VGA1
This all works. Now the question: how do I make an entry in xorg.conf match syncmaster 920nw when I boot physically, but not match the virtual display when I boot from Virtualbox?
In both cases they will be "Monitor0".

Last edited by leniviy; 10-18-2013 at 05:46 AM.


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