Asrock Z77 fatal1ty boot locking with legacy usb devices!

[hellokevin11]

Hangs on legacy USB devices, won't boot.

- Apple monitor usb hubs - freezes no boot
- Optimus Maximus keyboard freeze no boot
- Cowon music player - Freezes on os boot "xfast usb" app shows and system goes unresponsive

Onboard diagnostic readout - "Legacy usb" issue

Installing / configuring of teaming app for gigabit lan - Windows hard lock on boot when teaming app loads