Someone

SubSection "Display"
    depth 24
    modes "1280x1024@60" "1280x960@60" "1280x854" "1152x768@54" "1024x768@60" "1024x768@70" "800x600@60" "800x600@56" "640x480@60"
  EndSubSection
EndSection


Section "ServerLayout"
  # The Identifier line must be present

  Identifier "Main Layout"
  screen 0 "Screen 1" 0 0
  InputDevice "Mouse1" "CorePointer"
  InputDevice "Mouse2" "SendCoreEvents"
  InputDevice "Mouse3" "SendCoreEvents"
  InputDevice "stylus" "SendCoreEvents"
  InputDevice "cursor" "SendCoreEvents"
  InputDevice "eraser" "SendCoreEvents"
  InputDevice "Keyboard1" "CoreKeyboard"

EndSection

Section "DRI"
  Mode 0666
EndSection

Section "Extensions"
  option "Composite" "Enable"
EndSection

Section "device" #      
  identifier "device1"
  boardname "NVIDIA GeForce FX (generic)"
  busid "PCI:1:0:0"
  driver "nv"
  screen 1
  vendorname "NVIDIA"
EndSection
Section "screen" #      
  identifier "screen1"
  device "device1"
  defaultdepth 24
  monitor "monitor1"
  SubSection "Display"
    depth 24
    modes "640x480@60"
  EndSubSection
EndSection
Section "monitor" #      
  identifier "monitor1"
  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