I have used "modprobe usbmouse" command, it seems OK Then how should I change XF86Config-4? Namely Mouse Device and Mouse Protocol? For PS mouse, they are /dev/psaux and PS/2 protocol. After that, Am i all set? ____________________________________________________________________________________ Catch up on fall's hot new shows on Yahoo! TV. Watch previews, get listings, and more! http://tv.yahoo.com/collections/3658