Manual

SPCIE-5100DX PICMG 1.3 CPU Card
Page 99
5.3.8 USB Configuration
Use the USB Configuration menu (BIOS Menu 12) to read USB configuration
information and configure the USB settings.
BIOS Menu 12: USB Configuration
 USB Function [Enabled]
Use the USB Function BIOS option to enable or disable USB function support.

Disabled
USB function support disabled

Enabled D
EFAULT
USB function support enabled
 USB 2.0 Controller [Enabled]
The USB 2.0 Controller BIOS option is enabled and can not be configured