Comment 9 for bug 113885

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 "extmod"
 Load "freetype"
 Load "glx"
 Load "int10"
 Load "vbe"
EndSection

Section "InputDevice"
 Identifier "Generic Keyboard"
 Driver "kbd"
 Option "CoreKeyboard"
 Option "XkbRules" "xorg"
 Option "XkbModel" "pc105"
 Option "XkbLayout" "it"
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 "nVidia Corporation NV40 [GeForce 6800 GT]"
 Driver "nvidia"
 Busid "PCI:2:0:0"
 Option "AddARGBVisuals" "True"
 Option "AddARGBGLXVisuals" "True"
 Option "NoLogo" "True"
EndSection

Section "Monitor"
 Identifier "Acer AL732"
 Option "DPMS"
EndSection

Section "Screen"
 Identifier "Default Screen"
 Device "nVidia Corporation NV40 [GeForce 6800 GT]"
 Monitor "Acer AL732"
 Defaultdepth 24
 SubSection "Display"
  Depth 1
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 4
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 8
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 15
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 16
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
 SubSection "Display"
  Depth 24
  Modes "1280x1024" "1024x768" "832x624" "800x600" "720x400" "640x480"
 EndSubSection
EndSection

Section "ServerLayout"
 Identifier "Default Layout"
  screen "Default Screen"
 Inputdevice "Generic Keyboard"
 Inputdevice "Configured Mouse"
 Inputdevice "stylus" "SendCoreEvents"
 Inputdevice "cursor" "SendCoreEvents"
 Inputdevice "eraser" "SendCoreEvents"
EndSection

Section "DRI"
 Mode 0666
EndSection

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now i have that xorg.conf. I tried to insert horizontal and vertical refresh but i have same results :(