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

Section "Module"
  Load "i2c"
  Load "bitmap"
  Load "ddc"
  Load "extmod"
  Load "freetype"
  Load "int10"
  Load "type1"
  Load "vbe"
  load "glx"
  load "GLcore"
  load "v4l"
EndSection

Section "InputDevice"
  Identifier "Generic Keyboard"
  Driver "kbd"
  option "CoreKeyboard"
  option "XkbRules" "xorg"
  option "XkbModel" "pc105"
  option "XkbLayout" "us"
  option "XkbOptions" "lv3:ralt_switch"
EndSection

Section "InputDevice"
  Identifier "Configured Mouse"
  Driver "mouse"
  option "CorePointer"
  option "Device" "/dev/input/mice"
  option "Protocol" "ExplorerPS/2"
  option "ZAxisMapping" "4 5"
  option "Emulate3Buttons" "true"
EndSection

Section "InputDevice"
  Driver "wacom"
  Identifier "stylus"
  option "Device" "/dev/wacom"# Change to
  option "Type" "stylus"
  option "ForceDevice" "ISDV4"# Tablet PC ONLY
  # /dev/input/event
  # for USB
EndSection

Section "InputDevice"
  Driver "wacom"
  Identifier "eraser"
  option "Device" "/dev/wacom"# Change to
  option "Type" "eraser"
  option "ForceDevice" "ISDV4"# Tablet PC ONLY
  # /dev/input/event
  # for USB
EndSection

Section "InputDevice"
  Driver "wacom"
  Identifier "cursor"
  option "Device" "/dev/wacom"# Change to
  option "Type" "cursor"
  option "ForceDevice" "ISDV4"# Tablet PC ONLY
  # /dev/input/event
  # for USB
EndSection

Section "Device"
  identifier "NVIDIA Corporation NV36 [GeForce FX 5700LE]"
  boardname "nv"
  busid "PCI:1:0:0"
  driver "nv"
  screen 0
EndSection

Section "Monitor"
  identifier "Generic Monitor"
  vendorname "Plug 'n' Play"
  modelname "Plug 'n' Play"
  modeline  "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  gamma 1.0
EndSection

Section "Screen"
  Identifier "Default Screen"
  Device "NVIDIA Corporation NV36 [GeForce FX 5700LE]"
  Monitor "Generic Monitor"
  DefaultDepth 24
  SubSection "Display"
    depth 24
    virtual 640 480
    modes "640x480@60"
  EndSubSection
EndSection

Section "ServerLayout"
  Identifier "Default Layout"
  screen 0 "Default Screen" 0 0
  InputDevice "Generic Keyboard"
  InputDevice "Configured Mouse"
  InputDevice "stylus" "SendCoreEvents"
  InputDevice "cursor" "SendCoreEvents"
  InputDevice "eraser" "SendCoreEvents"
EndSection

Section "DRI"
  Mode 0666
EndSection
Section "device" #
  identifier "device1"
  boardname "nv"
  busid "PCI:1:0:0"
  driver "nv"
  screen 1
EndSection
Section "screen" #
  identifier "screen1"
  device "device1"
  defaultdepth 24
  monitor "monitor1"
EndSection
Section "monitor" #
  identifier "monitor1"
  gamma 1.0
EndSection
Section "ServerFlags"
EndSection