IBASE Technology ARD-042-N, User Manual, Page: 54 / 66

BIOS Setup
ARD-042-N User Manual 47
4
4.5.2.4. USB Configuration
BIOS Setting Description
XHCI Pre-Boot Driver Enables / Disables the support for XHCI Pre-
Boot Driver.
XHCI Mode Enables / Disables XHCI mode.
If disabled, XHCI controller would be disabled,
and none of the USB devices are detectable or
usable when systen is booted up in OS.
Do NOT disable it unless for debug purpose.
USB VBUS VBUS should be ON in HOST mode. It should
be OFF in OTG device mode.
USB HSIC1 Support Enables / Disables USB HSIC1.
USB SSIC1 Support Enables / Disables USB SSIC1.
USB Port Disable
Override Selectively enables / disables the
corresponding USB port from reporting a
device connection to the controller.
XDCI Support Enables / Disables XDCI.
XHCI Disable
Compliance Mode FALSE makes the XHCI Link Compliance
Mode not disabled.
TRUE disables the XHCI Link Compliance
Mode.