Section "ServerLayout"
    Identifier     "test one monitor"
    Screen      0  "Screen0" 0 0
EndSection

Section "Device"
    Identifier  "Card0"
    Driver      "radeon"
    BusID       "PCI:5:0:0"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device     "Card0"
        SubSection "Display"
        Depth     24
    EndSubSection
EndSection