Section "InputDevice"
Identifier "Mouse1"
Driver "evdev Option "SendCoreEvents" "true"
Option "Device" "/dev/input/event7"
Option "ZAxisMapping" "4 5 6 7"
Leia sektsioon ''"ServerLayout"'' ja lisa sinna rida
InputDevice "Mouse 1" "AlwaysCore"
Pärast x-serveri restarti töötab horisontaalne kerimine.