Disabling touchpad on tibook G4 1 Ghz

[bruno.beaufils@lifl.fr (Bruno BEAUFILS)]

How could I disable the use of the touchpad, under X11, on a Powerbook G4
Tibook when a mouse is plugged on one of the two USB ports...

For now I edited my XF86Config-4 file to point my mouse to one of
/dev/input/mouse* file. 

Is there a cleaner and easier way to do that ?

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I use an Apple Powerbook G4 1Ghz with Superdrive

I use a Debian sid installation

I use a home compiled kernel based on benh patch :

	Linux version 2.4.20-ben6 (root@watney) \
	(gcc version 3.2.3 20030210 (Debian prerelease)) \
	#1 Mon Feb 17 01:11:14 CET 2003

I use the DRI trunk X11 server from people.debian.org/~daenzer/dri-trunk :

	XFree86 Version 4.2.99.2 (DRI trunk) / X Window System

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-- Bruno