Someone

Section "ServerLayout"
        Identifier     "X.org Configured"
        Screen      0  "aticonfig-Screen[0]" 0 0
        InputDevice    "Mouse0" "CorePointer"
        InputDevice    "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
        RgbPath      "/usr/share/X11/rgb"
        ModulePath   "/usr/lib/xorg/modules"
        FontPath     "/usr/share/fonts/X11/misc"
        FontPath     "/usr/share/fonts/X11/75dpi"
        FontPath     "/usr/share/fonts/X11/100dpi"
        FontPath     "/usr/share/fonts/X11/TTF"
        FontPath     "/usr/share/fonts/X11/Type1"
EndSection
Section "Module"
        Load  "extmod"
        Load  "dbe"
        Load  "freetype"
        Load  "glx"
        Load  "dri"
        SubSection "extmod"
          Option "omit xfree86-dga"
        EndSubSection
        Load "drm"
EndSection
Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
EndSection
Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Protocol" "auto"
        Option      "Device" "/dev/input/mice"
        Option      "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
        Identifier   "aticonfig-Monitor[0]"
        Option      "DPMS" "true"
        VertRefresh 60
EndSection
Section "Device"
        Identifier  "aticonfig-Device[0]"
        Driver      "radeon"
        Option "XAANoOffscreenPixmaps" "true"
        Option "AGPMode" "8"
        Option "GARTSize" "64"
        VideoRam 262144
EndSection
Section "Screen"
        Identifier "aticonfig-Screen[0]"
        Device     "aticonfig-Device[0]"
        Monitor    "aticonfig-Monitor[0]"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Modes     "1280x1024" "1024x768" "800x600" "640x480"
                Depth     24
        EndSubSection
EndSection