IEI Integration AFL-4 series-N270 v2.11 - Manual (Page 102)

AFL-4 Series-N270 User Manual
Page 102
 USB Functions [Enabled]
Use the USB Function option to enable or disable the USB controllers.

Disabled USB controllers are enabled

Enabled D EFAULT USB controllers are disabled
 USB 2.0 Controller [Enabled]
The USB 2.0 Controller BIOS option enables or disables the USB 2.0 controller

Enabled D EFAULT USB function enabled

Disabled USB function disabled
 Legacy USB Support [Enabled]
Use the Legacy USB Support BIOS option to enable USB mouse and USB keyboard
support.
Normally if this option is not enabled, any attached USB mouse or USB keyboard does not
become available until a USB compatible operating system is fully booted with all USB
drivers loaded. When this option is enabled, any attached USB mouse or USB keyboard
can control the system even when there is no USB driver loaded onto the system.

Disabled Legacy USB support disabled

Enabled D EFAULT Legacy USB support enabled

Auto Legacy USB support disabled if no USB devices are
connected
 USB2.0 Controller Mode [HiSpeed]
The USB2.0 Controller Mode BIOS option sets the speed of the USB2.0 controller.

FullSpeed The controller is capable of operating at full speed
12 Mb/s