Section "InputDevice"
    Identifier  "Logitech MX510"
    Driver      "mouse"
    Option      "CorePointer"
    Option      "Device"        "/dev/input/mice"
    Option      "Protocol"      "ExplorerPS/2"
    Option      "Buttons"       "7"
    Option      "ZAxisMapping"  "4 5"
    Option      "ButtonMapping" "1 2 3 8 9 4 5"
EndSection

Section "ServerLayout"
    # Update InputDevice used for mouse:
    InputDevice "Logitech MX510"
    # Leave other settings unchanged.
EndSection