X on a Sun Ultra 5

[Markus Kinzler <markus.kinzler@alcatel.ch>]

hello

i have a problem starting X on my ultra5.
i make the /etc/X11/XF86Config with anXious but when i try to start x
i see my twm welcome screen but i can't move my sunmouse and can't press
my 
keyboard. the server hangs. i can't make anything else than turn the
power off.
what is the problem ?
i have the Debian 2.2rev2

a few questions:
what is the protocol of my mouse ?
whats the device of my mouse?
do i have to make the device or i there already the right one ?

thanx for your help

markus kinzler