IEI Integration IEM-9452 - Manual (Page 94)

IEM-9452 ETX Module
Page 78
BIOS Menu 11: USB Configuration
USB Functions [4 USB Ports]
Use the USB Functions BIOS option to specify how many of the USB ports are USB 1.1
compatible.
Disabled None of the ports are USB 1.1 compatible
USB 2 Ports Two ports are USB 1.1 compatible
USB 4 ports D EFAULT Four ports are USB 1.1 compatible
USB 2.0 Controller [Enabled]
Use the USB 2.0 Controller BIOS option to enable or disable the USB 2.0 controller
Disabled USB 2.0 controller disabled
Enabled D EFAULT USB 2.0 controller enabled