User manual
SOM-5894 User Manual 24
This item allows users to enable or disable Alert Specification Format.
 Activate Remote Assistance Process
This item allows users to enable or disable Activate Remote Assistance Process
to trigger CIRA boot.
 USB Configure
This item allows users to enable or disable USB Configure function.
 PET Progress
This item allows users to enable or disable PET Events progress to receive PET
events or not.
 WatchDog
This item allows users to enable or disable WatchDog.
3.2.2.7 USB Configuration
Figure 3.11 USB Configuration
 Legacy USB Support
This item allows users to enable or disable Legacy USB Support.
Auto option disables legacy support if no USB devices are connected.
Disable option will keep USB devices available only for EFI applications.
 USB3.0 Support
This item allows users to enable or disable USB3.0 (XHCI) controller support.
 XHCI Hand-off
This item allows users to enable or disable XHCI Hand-off.
This is a workaround for OS without XHCI hand-off support. The XHCI owner-
ship change should be claimed by XHCI driver.
 EHCI Hand-off
This item allows users to enable or disable EHCI Hand-off.










