16:10-es felbontás

Sziasztok!
Debian etch-em van KDE felülettel, a gépembe egy Nvidia Mx400 videókártya.
A grafikus felületen csak 1024*768,800*600,640*480 közül tudok válogatni, pedig 1440*900 kellene.

Az xorg.conf tartalma:

Section "Device"
Identifier "Általános videó kártya"
Driver "vesa"
EndSection

Section "Monitor"
Identifier "Általános monitor"
Option "DPMS"
HorizSync 28-72
VertRefresh 43-60
EndSection

Section "Screen"
Identifier "Default Screen"
Device "Általános videó kártya"
Monitor "Általános monitor"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1440x900" "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1440x900" "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1440x900" "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1440x900" "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1440x900" "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1440x900"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "DRI"
Mode 0666
EndSection