Independant X-server

x.org

http://www.mythtv.org/wiki/index.php/Running_MythTV_on_independent_X-server

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 1024 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "ServerLayout"
   Identifier   "Myth Layout"
   Screen      1  "Screen1"
       Inputdevice     "Dummy Keyboard"
       Inputdevice     "Dummy Mouse"
EndSection

Section "Files"
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 "InputDevice"
       Identifier      "Dummy Keyboard"
       Driver          "void"
       Option          "CoreKeyboard"
EndSection

Section "InputDevice"
       Identifier      "Dummy Mouse"
       Driver          "void"
       Option          "CorePointer"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "LG L226W"
    HorizSync       28.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "CRT-0"
    HorizSync       28.0 - 83.0
    VertRefresh     56.0 - 75.0
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 8500 GT"
    BusID          "PCI:2:0:0"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 7100 / NVIDIA nForce 630i"
    #BusID          "PCI:0:16:0"
    BusID          "PCI:1:06:0"
Option "AddARGBGLXVisuals" "True"
Option "RenderAccel" "True"
Option "AllowGLXWithComposite" "True"
Option "backingstore" "True"
Option "TripleBuffer" "True"
Option "DisableGLXRootClipping" "True"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "1"
    Option         "TwinViewXineramaInfoOrder" "DFP-0"
    Option         "metamodes" "DFP-0: nvidia-auto-select +0+0, DFP-1: nvidia-auto-select +1680+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
    Option "Composite" "Enable"
EndSection

Execute :1

xinit mythfrontend -- :1 -sharevts -layout "Myth Layout" -br -nolisten

Quick VNC

x11vnc -safer -nopw -once -display :1& vncviewer localhost

Nvidia Settings on Display :1

nvidia-settings --display :1.0
sudo nvidia-settings -c :1.0