Modifying xorg.conf

Screen resolution in Linux are set in a file called xorg.conf, found in /etc/X11/

To make your TV-out behave and send out the native resolution for your PAL TV (720×576) can be a bit of a hassle. Here is one that works on a GeForce MX440 and a Loewe 68cm CRT TV.

Section “ServerLayout”

  Identifier     "Layout0"
  Screen      0  "Screen0" 0 0
  InputDevice    "Keyboard0" "CoreKeyboard"
  InputDevice    "Mouse0" "CorePointer"

EndSection

Section “Files”

  RgbPath         "/usr/X11R6/lib/X11/rgb"

EndSection

Section “Module”

  Load           "dbe"
  Load           "extmod"
  Load           "type1"
  Load           "freetype"
  Load           "glx"

EndSection

Section “ServerFlags”

  Option         "Xinerama" "0"

EndSection

Section “InputDevice”

  # generated from default
  Identifier     "Mouse0"
  Driver         "mouse"
  Option         "Protocol" "auto"
  Option         "Device" "/dev/psaux"
  Option         "Emulate3Buttons" "no"
  Option         "ZAxisMapping" "4 5"

EndSection

Section “InputDevice”

  # generated from default
  Identifier     "Keyboard0"
  Driver         "kbd"

EndSection

Section “Monitor”

  # HorizSync source: xconfig, VertRefresh source: xconfig
  Identifier     "Monitor0"
  VendorName     "Unknown"
  ModelName      "TV-0"

# HorizSync 28.0 - 33.0 # VertRefresh 43.0 - 72.0

  Option         "DPMS"
 

EndSection

Section “Device”

  Identifier     "Videocard0"
  Driver         "nvidia"
  VendorName     "NVIDIA Corporation"
  BoardName      "GeForce2 MX 100/200"
  Option	   "RenderAccel" "1"
  Option         "TVStandard" "PAL-B"
  Option         "TVOutFormat" "SVIDEO"

EndSection

Section “Screen”

  Identifier     "Screen0"
  Device         "Videocard0"
  Monitor        "Monitor0"
  DefaultDepth    24
  SubSection     "Display"
      Modes      "720x576"
  EndSubSection

EndSection