HP EliteBook 8540w, same problem:
PCI-bus 70, device 6, function 3
PCI-bus 70, device 6, function 2
The USB3 driver was no. 3, found that myself.... but these two?
How do you track these down?
....
edit.....
Whoopsie: found the answer in another thread. Seems you answered my question before i posed it! WOW! ;>