Section "Device"
    Identifier     "nVidia Corporation GF8 8800GTX"
    Driver         "nvidia"
    Option         "TwinView" "true"
    Option         "MetaModes" "2560x1600,1920x1200;1024x768,1024x768"
    Option         "TwinviewOrientation" "DFP-0 LeftOf DFP-1"
EndSection