[Cube] USB stopped working

[Bruce Carr]

USB stopped working.
I'm still under Panther and my USB suddenly stopped working. I'm hoping that
someone knows a quick fix as I don't really want to do a system install
right now. 
I plan on finally installing Tiger on my cube next month when I have a
little time. Also, does anyone know if Tiger will install and operate with
any success in an old G3 400 mg Powerbook or is that pushing it?
Thanks again as usual.
Bruce