IEI Integration IMB-Q670 v2.00 - Manual (Page 96)

IMB-Q670 Micro-ATX Motherboard
Page 82
 USB Devices
The USB Devices Enabled field lists the USB devices that are enabled on the system
 USB Support [Enabled]
Use the USB Support option to enable or disable USB support on the system.

Disabled USB support disabled

Enabled D EFAULT USB support enabled
 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