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 "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Screen0"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
EndSection
 
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    "i2c"
        Load    "bitmap"
        Load    "ddc"
        Load    "dri"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "vbe"
EndSection
 
Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver    "kbd"
        Option    "XkbRules"        "xorg"
        Option    "XkbModel"        "pc105"
        Option    "XkbLayout"       "ca"
EndSection
 
Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver    "mouse"
        Option    "Device"    "/dev/input/mice"
        Option    "Protocol"                "ImPS/2"
        Option    "Emulate3Buttons" "true"
EndSection
 
Section "Monitor"
        Identifier      "Monitor0"
        Option    "DPMS"
EndSection

Section "Device"
        Identifier      "Card0"
        Driver    "nvidia"
        BusID      "PCI:1:0:0"
        Option "TwinView"       "True"
        Option "TwinViewOrientation"    "RightOf"
        Option "UseEdidFreqs"   "True"
        Option "MetaModes"      "1280x1024,1280x1024; 1024x768,1024x768"
EndSection


Section "Screen"
        Identifier      "Screen0"
        Device    "Card0"
        Monitor  "Monitor0"
        DefaultDepth    24
	SubSection "Display"
		#Viewport   0 0
		Depth     1
	EndSubSection
	SubSection "Display"
		#Viewport   0 0
		Depth     4
	EndSubSection
	SubSection "Display"
		#Viewport   0 0
		Depth     8
	EndSubSection
	SubSection "Display"
		#Viewport   0 0
		Depth     15
	EndSubSection
	SubSection "Display"
		#Viewport   0 0
		Depth     16
	EndSubSection
	SubSection "Display"
		#Viewport   0 0
		Depth     24
	EndSubSection
EndSection
 
Section "DRI"
        Mode    0666
EndSection