Xorg.conf anpassen seperate xscreen und auto modus

ZIEL:
SEPERATE X-SCREEN
AUTO MODUS bei Hz

Hallo Leute,

wie stelle ich in meiner u.g. xorg.conf seperate x screen und auto modus fuer hz ein?

    InputDevice    "Mouse0" "CorePointer"  
    InputDevice    "Keyboard0" "CoreKeyboard"  
    Option         "Xinerama" "0"  
EndSection

Section "InputDevice"  

    # generated from default
    Identifier     "Mouse0"  
    Driver         "mouse"  
    Option         "Protocol" "IMPS/2"  
    Option         "Device" "/dev/input/mice"  
    Option         "Buttons" "5"  
    Option         "Emulate3Buttons" "yes"  
    Option         "ZAxisMapping" "4 5"  
EndSection

Section "InputDevice"  
    Identifier     "Keyboard0"  
    Driver         "kbd"  
    Option         "XkbModel" "pc105"  
    Option         "XkbLayout" "de"  
    Option         "XkbVariant" "nodeadkeys"  
EndSection

Section "Monitor"  
    Identifier     "Monitor0"  
    VendorName     "Unknown"  
    ModelName      "LWR 1024x768p@60"  
    HorizSync       30.0 - 75.0
    VertRefresh     60.0
    Option         "DPMS"  
EndSection

Section "Device"  
    Identifier     "Videocard0"  
    Driver         "nvidia"  
EndSection

Section "Device"  
    Identifier     "Device0"  
    Driver         "nvidia"  
    VendorName     "NVIDIA Corporation"  
    BoardName      "Quadro FX 5000"  
EndSection

Section "Screen"  

# Removed Option "TwinView" "True" 
# Removed Option "MetaModes" "nvidia-auto-select, nvidia-auto-select" 
# Removed Option "TwinView" "True" 
# Removed Option "MetaModes" "nvidia-auto-select, nvidia-auto-select" 
# Removed Option "TwinView" "0" 
# Removed Option "metamodes" "1024x768_60 +0+0" 
# Removed Option "metamodes" "DFP-1: 1920x1080_60 +0+0, DFP-0: nvidia-auto-select +1024+0" 
    Identifier     "Screen0"  
    Device         "Device0"  
    Monitor        "Monitor0"  
    DefaultDepth    24
    Option         "Backingstore"  
    Option         "ConnectToAcpid" "False"  
# Removed Option "metamodes" "1024x768 +0+0" 
    Option         "TwinView" "1"  
    Option         "TwinViewXineramaInfoOrder" "DFP-0"  
    Option         "metamodes" "DFP-0: nvidia-auto-select +0+0, DFP-1: 1024x768_60 +1024+0"  
    SubSection     "Display"  
        Depth       24
    EndSubSection
EndSection