Mine

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Mon Feb 26 23:38:46 PST 2007

# /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 "ServerLayout"
    Identifier     "Default Layout"
    Screen      0  "Default Screen" 0 0
    Screen      1  "Screen 1" rightof "Default Screen"
    InputDevice    "Generic Keyboard"
EndSection



Section "InputDevice"
    Identifier     "Generic Keyboard"
    Driver         "kbd"
    Option         "CoreKeyboard"
    Option         "XkbRules" "xorg"
    Option         "XkbModel" "pc105"
    Option         "XkbLayout" "fr"
    Option         "XkbVariant" "oss"
    Option         "XkbOptions" "lv3:ralt_switch"
EndSection



Section "Monitor"
    Identifier     "Generic Monitor"
    ModelName      "Custom 1"
    Gamma           1
    ModeLine       "640x480@60" 25.2 640 656 752 800 480 490 492 525 -hsync -vsync
    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 -hsync -vsync
    ModeLine       "1280x960@60" 102.1 1280 1360 1496 1712 960 961 964 994 -hsync +vsync
    ModeLine       "1280x1024@60" 108.0 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync
EndSection

Section "Monitor"
    Identifier     "monitor1"
    Gamma           1
EndSection

Section "Device"
    Identifier     "nVidia Corporation NV17 [GeForce4 440 Go 64M]"
    Driver         "nvidia"
    VendorName     "NVIDIA"
    BoardName      "nVidia Corporation NV17 [GeForce4 440 Go 64M]"
    BusID          "PCI:1:0:0"
    Screen          0
#    Option         "AddARGBGLXVisuals" "true"
#    Option         "TripleBuffer" "true"
EndSection

Section "Device"
    Identifier     "device1"
    Driver         "nvidia"
    VendorName     "NVIDIA"
    BoardName      "nVidia Corporation NV17 [GeForce4 440 Go 64M]"
    BusID          "PCI:1:0:0"
    Screen          1
#    Option         "AddARGBGLXVisuals" "true"
#    Option         "TripleBuffer" "true"
EndSection

Section "Screen"
    Identifier     "Default Screen"
    Device         "nVidia Corporation NV17 [GeForce4 440 Go 64M]"
    Monitor        "Generic Monitor"
    DefaultDepth    16
    SubSection     "Display"
        Virtual     1024 768
        Depth       16
        Modes       "1024x768@60" "800x600@60" "800x600@56" "640x480@60"
    EndSubSection
EndSection

Section "Screen"
    Identifier     "screen1"
    Device         "device1"
    Monitor        "monitor1"
    DefaultDepth    16
EndSection