Si, certo..
Eccolo..

codice:
Section "ServerLayout"
	Identifier     "X.org Default"
	Screen      0  "aticonfig Screen 0" 0 0
	InputDevice    "Mouse1" "CorePointer"
	InputDevice    "Keyboard1" "CoreKeyboard"
EndSection

Section "Files"
	RgbPath      "/usr/X11R6/lib/X11/rgb"
	FontPath     "/usr/share/fonts/misc/"
	FontPath     "/usr/share/fonts/TTF/"
	FontPath     "/usr/share/fonts/Type1/"
	FontPath     "/usr/share/fonts/75dpi/"
	FontPath     "/usr/share/fonts/100dpi/"
	FontPath     "/usr/share/fonts/local/"
	FontPath     "/usr/share/fonts/freefont"
EndSection

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

Section "InputDevice"
	Identifier  "Keyboard1"
	Driver      "keyboard"
	Option	    "XkbModel" "pc105"
	Option	    "XkbLayout" "it"
	Option	    "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
	Identifier  "Mouse1"
	Driver      "mouse"
	Option	    "Protocol" "IMPS/2"
	Option	    "Device" "/dev/input/mice"
	Option	    "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
	Identifier   "aticonfig Monitor 0"
EndSection

Section "Device"
	Identifier  "ATI Graphics Adapter 0"
	Driver      "fglrx"
	BusID       "PCI:1:0:0"
EndSection

Section "Screen"
	Identifier "aticonfig Screen 0"
	Device     "ATI Graphics Adapter 0"
	Monitor    "aticonfig Monitor 0"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Section "DRI"
	Mode 0666
EndSection
ciao