IEI Integration PCIE-Q350 v1.20 - Manual (Page 160)

PCIE-Q350 PICMG 1.3 CPU Card
Page 139
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]
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
6.4 PCI/PnP
Use the PCI/PnP menu (BIOS Menu 18) to configure advanced PCI and PnP settings.