IEI Integration AFL-08B-N270 v2.20 - Manual (Page 82)

AFL-08B-N270 User Manual
Page 82
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

HiSpeed D EFAULT
The controller is capable of operating at high speed
480 Mb/s
4.4 PCI/PnP
Use the PCI/PnP menu (BIOS Menu 13) to configure advanced PCI and PnP settings.
WARNING:
Setting wrong values for the BIOS selections in the PCIPnP BIOS
menu may cause the system to malfunction.