Section "Device"
 Identifier "ATI-Radeon9800Pro-Xinerama"
 Driver     "fglrx"
 BusID      "PCI:1:0:0"
 Option     "VideoOverlay" "on"
 Option     "OpenGLOverlay" "off"
 Option     "EnablePageFlip" "on"
 Option     "DesktopSetup" "horizontal"
EndSection