TYAN S7076 User Manual page 77

3.3.11 USB Configuration
USB Module Version / USB Devices
Read only.
Legacy USB Support
Enable USB legacy support. AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only for
EFI applications.
Enabled / Disabled / Auto
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership
change should be claimed by XHCI driver.
Disabled / Enabled
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership
change should be claimed by EHCI driver.
Disabled / Enabled
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