Me he equivocado, quer�a decir esta configuraci�n:
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/psaux"
Option "Buttons" "5"
Option "ZAxisMapping" "4 5"
EndSection
Supongo que tu rat�n tiene rueda, si no la tiene, y tiene 3
botones, prueba esta otra:
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/psaux"
Option "Protocol" "PS/2"
Option "Emulate3Buttons" "true"
EndSection
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