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 xorg.conf(5) manual page.
# (Type "man 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/fonts/X11/misc"
  FontPath "/usr/share/fonts/X11/cyrillic"
  FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
  FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
  FontPath "/usr/share/fonts/X11/Type1"
  FontPath "/usr/share/fonts/X11/100dpi"
  FontPath "/usr/share/fonts/X11/75dpi"
  # path to defoma fonts
  FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
  Load "bitmap"
  Load "ddc"
  Load "extmod"
  Load "freetype"
  Load "int10"
  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" "es"
EndSection

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

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

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

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

Section "Device"
  identifier "Tarjeta de vídeo genéricanv"
  boardname "vesa"
  busid "PCI:1:0:0"
  driver "vesa"
  screen 0
EndSection

Section "Monitor"
  identifier "Monitor genérico"
  modelname "Custom 1"
  modeline  "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  modeline  "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
  modeline  "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  modeline  "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
  gamma 1.0
EndSection

Section "Screen"
  Identifier "Default Screen"
  Device "Tarjeta de vídeo genéricanv"
  Monitor "Monitor genérico"
  DefaultDepth 24
  SubSection "Display"
    depth 24
    virtual 1024 768
    modes "1024x768@60" "800x600@60" "800x600@56" "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 "ServerFlags"
EndSection