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Supermicro X10SRA/X10SRA-F Motherboard User’s Manual
The following will be displayed:
•USB Devices - this displays a list of the detected USB devices.
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to
disable legacy support if there are no legacy USB devices present. Select
Disable to have all USB devices available for EFI applications only. The
options are Enabled, Disabled and Auto.
XHCI Hand-Off
This is a work-around solution for operating systems that do not support
XHCI (Extensible Host Controller Interface) hand-off. The XHCI ownership
change should be claimed by the XHCI driver. The settings are Enabled
and Disabled.
EHCI Hand-Off
This item is for operating systems that do not support Enhanced Host
Controller Interface (EHCI) hand-off. When this item is enabled, EHCI
ownership change will be claimed by the EHCI driver. The settings are
Enabled and Disabled.
USB Settings
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