vermaden /xorg.conf

Section "Files"
  ModulePath   "/usr/local/lib/xorg/modules"
EndSection

Section "Module"
  SubSection "extmod"
    Option "omit xfree86-dga"
  EndSubSection
  Load  "dbe"
EndSection

Section "Device"
  Identifier  "gfx0"
  Driver      "nv"
EndSection

Section "Monitor"
  Identifier   "monitor0"
  Option       "DPMS"
  HorizSync    30-110
  VertRefresh  48-170
  Modeline     "640x480_120"     52.41   640  680  744  848   480  481  484  515  -HSync +Vsync
  Modeline     "800x600_120"     83.95   800  856  944 1088   600  601  604  643  -HSync +Vsync
  Modeline     "1120x840_100"   135.28  1120 1200 1320 1520   840  841  844  890  -HSync +Vsync
EndSection

Section "Screen"
  Identifier    "screen0"
  Device        "gfx0"
  Monitor       "monitor0"
  DefaultDepth  24
  Subsection "Display"
    Modes "1120x840_100" "800x600_120" "640x480_120"
  EndSubsection
EndSection

Section "InputDevice"
  Identifier  "keyboard0"
  Driver      "kbd"
  Option      "AutoRepeat"  "500 30"
  Option      "XkbRules"    "xorg"
  Option      "XkbModel"    "pc105"
  Option      "XkbLayout"   "pl"
EndSection

Section "InputDevice"
  Identifier  "mouse0"
  Driver      "mouse"
  Option      "CorePointer"
  Option      "Protocol"  "Auto"
  Option      "Device"    "/dev/sysmouse"
EndSection

Section "ServerLayout"
  Identifier   "layout0"
  Screen 0     "screen0"    0 0
  InputDevice  "mouse0"     "CorePointer"
  InputDevice  "keyboard0"  "CoreKeyboard"
EndSection