Determinadas controladoras USB 2.0 están deshabilitadas

Se ha deshabilitado la compatibilidad con determinadas controladoras USB 2.0 debido a incompatibilidades entre estos dispositivos y el controlador EHCI. Aparece el mensaje siguiente:

Due to recently discovered incompatibilities with this 
USB controller, USB2.x transfer support has been disabled. 
This device will continue to function as a USB1.x controller. 
If you are interested in enabling USB2.x support please refer 
to the ehci(7D) man page. 
Please refer to www.sun.com/io for Solaris Ready products 
and to www.sun.com/bigadmin/hcl for additional compatible 
USB products.

Para obtener la última información acerca de dispositivos USB, consulte http://www.sun.com/io_technologies/USB-Faq.html.