This works for me in unstable/xorg, snipps from xorg.conf Section "InputDevice"
Identifier "Mouse1" Driver "mouse" Option "Protocol" "ImPS/2" Option "Device" "/dev/input/mice" # Option "Emulate3Buttons" "yes" Option "ZAxisMapping" "4 5" EndSection -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]