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3.2.6. USB Configuration
This section is used to configure USB parameters.
Legacy USB Support
Enabled
Enable legacy USB.
Auto
Disables support for legacy when no USB devices are connected.
Disabled
Keep USB devices available only for EFI applications.
EHCI Hand-off
This is a workaround for OS that does not support EHCI hand-off. The change of
EHCI ownership should be claimed by the EHCI driver.
USB Mass Storage Driver Support
Enables or disables the support for USB mass storage driver.
Device power-up delay
Maximum time the device will take before it properly reports itself to the
Host Controller.
"Auto" uses default value: for a Root port (100 ms), for a Hub port the delay is taken
from Hub descriptor
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