Voici un xorg.conf qui fonctionne sur une Radeon Mobility 1600:
# Xorg configuration created by livna-config-display
Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules/extensions/fglrx"
ModulePath "/usr/lib/xorg/modules"
EndSection
Section "Module"
EndSection
Section "ServerFlags"
Option "AIGLX" "on"
EndSection
Section "InputDevice"
# keyboard added by rhpxl
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "be"
EndSection
Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes"
EndSection
Section "Monitor"
Identifier "Monitor0"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection
Section "Device"
Identifier "Device0"
Driver "fglrx"
BoardName "ATI Technologies Inc M56P (Radeon Mobility X1600)"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
Option "XAANoOffscreenPixmaps" "True"
Option "HWCursor" "on"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1680x1050" "1440x900" "1024x768" "800x600"
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection