Someone

Section "ServerLayout"
        Identifier     "Layout0"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Mouse0" "CorePointer"
        Option "AIGLX" "true"
EndSection

Section "Files"
EndSection

Section "Module"
        Load  "freetype"
        # Load "xtt"
        Load  "extmod"
        Load  "glx"
        Load  "dri"
        Load  "dbe"
        Load  "record"
        Load  "xtrap"
        Load  "type1"
        Load  "speedo"
EndSection

Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Protocol" "ImPS/2"
        Option      "Device" "/dev/input/mice"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option      "XkbModel" "pc101"
        Option      "XkbLayout" "ch"
EndSection

Section "Monitor"

 ### Comment all HorizSync and VertSync values to use DDC:
 ### Comment all HorizSync and VertSync values to use DDC:
        Identifier   "Monitor0"
 ### Comment all HorizSync and VertSync values to use DDC:
        HorizSync    31.5 - 76.0
        VertRefresh  50.0 - 100.0
EndSection

Section "Device"
        Identifier  "Card0"
        Driver      "radeon"
        Option "XAANoOffscreenPixmaps" "true"
        Option "DRI"    "true"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
                Modes    "1152x864" "1024x768" "800x600" "640x480"
        EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "composite" "enable"
EndSection