ADLINK Express-IBE2 - Manual (Page 62)

Page 62 Express-IBE2
USB Configuration
EHCI1/2
Control the USB EHCI (USB 2.0) functions. One EHCI controller must always be enabled.
USB Ports Per-Port Disable
Control each of the USB ports (0~13) disabling.
PCH Azalia Configuration
Azalia
Control Detection of the Azalia device. Disabled = Azalia will be unconditionally disabled. Enabled = Azalia will be unconditionally
Enabled. Auto = Azalia will be enabled if present, disabled otherwise.