Something

cat /etc/X11/xorg.conf

# /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 "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"
        InputDevice    "Synaptics Touchpad"
EndSection

Section "Files"

        # path to defoma fonts
        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     "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
        Load  "i2c"
        Load  "bitmap"
        Load  "ddc"
        Load  "dri"
        Load  "extmod"
        Load  "freetype"
        Load  "glx"
        Load  "int10"
        Load  "type1"
        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"
        Option      "ZAxisMapping" "4 5"
        Option      "Emulate3Buttons" "true"
EndSection

Section "InputDevice"
        Identifier  "Synaptics Touchpad"
        Driver      "synaptics"
        Option      "SendCoreEvents" "true"
        Option      "Device" "/dev/psaux"
        Option      "Protocol" "auto-dev"
        Option      "HorizScrollDelta" "0"
EndSection

Section "Monitor"
        Identifier   "Generic Monitor"
        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  "ATI Technologies, Inc. Radeon 320M (RS200 IGP)"
        Driver      "ati"
        BusID       "PCI:1:5:0"
EndSection

Section "Device"
        Identifier  "aticonfig-Device[0]"
        Driver      "fglrx"
EndSection

Section "Screen"
        Identifier  "Default Screen"
        Device     "ATI Technologies, Inc. Radeon 320M (RS200 IGP)"
#       Device     "aticonfig-Device[0]"
        Monitor    "Generic Monitor"
        DefaultDepth     24
        SubSection "Display"
                Depth     16
                Modes    "1280x800"
        EndSubSection
        SubSection "Display"
                Depth     24
                Modes    "1280x800"
        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