ECM-APL2 User's Manual
3.6.3.4.4 USB Configuration
Item
XHCI Pre-Boot Driver
xHCI Mode
54 ECM-APL2 User's Manual
Option
Enable
Enable/Disable XHCI Pre-Boot Driver support.
Disable[Default]
Once disabled, XHCI controller would be function
Enable[Default]
disabled, none of the USB devices are detectable and
Disable
usable during boot and in OS. Do not disable it unless
for debug purpose.
Description