xorg.conf

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 346.47  (buildmeister@swio-display-x86-rhel47-01)  Thu Feb 19 19:18:25 PST 2015

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

Section "Files"
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: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "DELL UP2414Q"
    HorizSync       31.0 - 140.0
    VertRefresh     29.0 - 75.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 960"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "DFP-6.8"
    Option         "metamodes" "DP-4.8: nvidia-auto-select +4080+584, DP-4.9: nvidia-auto-select +2160+584, DP-2.8: nvidia-auto-select +0+1920 {rotation=left}, DP-2.9: nvidia-auto-select +0+0 {rotation=left}; DP-4.8: nvidia-auto-select +0+0; DP-4.8: nvidia-auto-select +0+0 {viewportout=1920x1200+0+480}; DP-4.8: nvidia-auto-select +0+0 {viewportout=1920x1080+0+540}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1680x1050, viewportout=1920x1200+0+480}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1600x1200, viewportout=1920x1440+0+360}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1440x900, viewportout=1920x1200+0+480}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1366x768, viewportout=1920x1079+0+540}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1280x1024, viewportout=1920x1536+0+312}; DP-4.8: nvidia-auto-select +0+0 {viewportin=1280x800, viewportout=1920x1200+0+480}"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option "BaseMosaic" "on"
    Option "TwinView"
    Option "NoTwinViewXineramaInfo" "0"
    Option "TwinViewXineramaInfoOverride" "2160x3840+0+0, 3840x2160+2160+584"
    # explicitly tell which monitors are connected:
    Option "ConnectedMonitor" "DFP-4.9, DFP-4.8, DFP-2.8, DFP-2.9"
    Option "TwinViewOrientation" "RightOf"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection