I have a usb microsoft optical mouse here. It works with the following in my xorg.conf (this is on debian etch)
Code:
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ExplorerPS/2"
Option "Emulate3Buttons" "true"
EndSection
Cheers
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