IEI Integration IEM-9452 - Manual (Page 95)

IEM-9452 ETX Module
Page 79
Legacy USB Support [Enabled]
The Legacy USB Support BIOS option refers to 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 on the system.
Disabled Legacy USB support disabled
Enabled D EFAULT Legacy USB support enabled
USB2.0 Controller Mode [HiSpeed]
Use the USB2.0 Controller Mode option to set the speed of the USB2.0 controller.
FullSpeed The controller is capable of operating at 12Mb/s
HiSpeed D EFAULT The controller is capable of operating at 480Mb/s
6.3.8.1 USB Mass Storage Device Configuration
Use the USB Mass Storage Device Configuration menu (BIOS Menu 12) to configure
USB mass storage class devices.