Mine

# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg
#Section "InputDevice"
#	Identifier	"Synaptics Touchpad"
#	Driver		"synaptics"
#	Option		"SendCoreEvents"	"true"
#	Option		"Device"		"/dev/psaux"
#	Option		"Protocol"		"auto-dev"
#	Option		"HorizScrollDelta"	"0"
#EndSection

Section "ServerLayout"

#	InputDevice	"Synaptics Touchpad"
	Identifier     "Default Layout"
	Screen      0  "aticonfig-Screen[0]" 0 0
	InputDevice    "Generic Keyboard"
	InputDevice    "Configured Mouse"
EndSection

Section "Files"

	# path to defoma fonts
	FontPath     "/etc/X11/fonts/misc"
	FontPath     "/etc/X11/fonts/cyrillic"
	FontPath     "/etc/X11/fonts/100dpi/:unscaled"
	FontPath     "/etc/X11/fonts/75dpi/:unscaled"
	FontPath     "/etc/X11/fonts/Type1"
	FontPath     "/etc/X11/fonts/100dpi"
	FontPath     "/etc/X11/fonts/75dpi"
	FontPath     "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
	Load  "speedo"
	Load  "type1"
	Load  "bitmap"
	Load  "dbe"
	Load  "ddc"
	Load  "dri"
	Load  "extmod"
	Load  "freetype"
	Load  "glx"
	Load  "int10"
	Load  "record"
	Load  "type1"
	Load  "v4l"
	Load  "vbe"
EndSection

Section "InputDevice"
	Identifier  "Generic Keyboard"
	Driver      "kbd"
	Option	    "CoreKeyboard"
	Option	    "XkbRules" "xorg"
	Option	    "XkbModel" "pc104"
	Option	    "XkbLayout" "us"
EndSection

Section "InputDevice"
	Identifier  "Configured Mouse"
	Driver      "mouse"
	Option	    "CorePointer"
	Option	    "Device" "/dev/input/mice"
	Option	    "Protocol" "ExplorerPS/2"
EndSection

Section "Monitor"
	Identifier   "Generic Monitor"
	HorizSync    30.0 - 70.0
	VertRefresh  50.0 - 160.0
	Option	    "DPMS"
EndSection

Section "Monitor"
	Identifier   "aticonfig-Monitor[0]"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
EndSection

Section "Device"
	Identifier  "Generic Video Card"
	Driver      "radeon"
	BusID       "PCI:1:0:0"
EndSection

Section "Device"
	Identifier  "aticonfig-Device[0]"
	Driver      "ati"
#	Option	    "AllowGLXWithComposite"	"true"
EndSection

Section "Screen"
	Identifier "Default Screen"
	Device     "Generic Video Card"
	Monitor    "Generic Monitor"
	DefaultDepth     24
	SubSection "Display"
		Depth     1
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth     4
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth     8
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth     15
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth     16
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth     24
		Modes    "1280x800" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection

Section "Screen"
	Identifier "aticonfig-Screen[0]"
	Device     "aticonfig-Device[0]"
	Monitor    "aticonfig-Monitor[0]"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Section "DRI"
	Mode         0666
EndSection

#Section "Extensions"
#	Option "Composite" "Enable"
#EndSection