I have the same issue on an Asus UX21A (should be very similar to Cristophes UX31A). These laptops have Intel Panther Point USB controllers. So I doubt whether the problem is restricted to NEC uPD720200 controllers.
I have the same issue on an Asus UX21A (should be very similar to Cristophes UX31A). These laptops have Intel Panther Point USB controllers. So I doubt whether the problem is restricted to NEC uPD720200 controllers.