From: Markus Huber <humarfedoralists@xxxxxxxx>
/sbin/rmmod ehci-hcd
It didn't make any difference for me.
For me it did: at least the external USB-connected IDE harddisk was working, but only at USB 1.1 speed.
After some reading I suspected a hardware failure - or are there still problems with SiS USB-connectors? - and bought a PCI-card.
Now both scanner and external hard disk connect perfectly through these USB-Connectors.
-- Regards Markus Huber