4 usb configuration, Usb configuration -27, Front panel support type [hd audio – Asus E3746 User Manual

Page 105: Onboard 1st/2nd nvidia lan [enabled, Jmicron raid controller [ide, Onboard lan boot rom [disabled, Onboard 1394 [enabled, Usb controller [enabled, Usb legacy support [enabled, Usb 2.0 controller [enabled