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USB Configuration
This section is used to configure USB.
Legacy USB Support
Enabled
Enable legacy USB.
Auto
Disable support for legacy when no USB devices are connected.
Disabled
Keep USB devices available only for EFI applications.
XHCI Hand-off
This is a workaround for OSes that does not support XHCI hand-off. The XHCI
ownership change should be claimed by the XHCI driver.
EHCI Hand-off
This is a workaround for OSes that does not support EHCI hand-off. The EHCI
ownership change should be claimed by the EHCI driver.
Chapter 7 BIOS Setup
Chapter 7
Port 60/64 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for the complete USB
keyboard legacy support for non-USB aware OSes.
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