Section "Device"
        Identifier      "Configured Video Device"
        Driver          "intel"
EndSection

Section "Monitor"
        Identifier      "VGA1"
        Option "PreferredMode" "1280x1024"
        Option "LeftOf" "LVDS1"
EndSection

Section "Monitor"
        Identifier      "LVDS1"
        Option "PreferredMode" "1680x1050"
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Monitor         "LVDS1"
        Device          "Configured Video Device"
        SubSection "Display"
                Depth 24
                Modes "1680x1050" "1280x1024"
                Virtual 2048 2048
        EndSubSection
EndSection