Hectronic H6052 Hardware Reference Manual page 38

H6052 Hardware Reference Guide
USB Configuration
This section is used to configure USB.
Legacy USB Support
Enabled
Enables legacy USB.
Auto
Disables support for legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
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.
Device Reset Timeout
Selects the USB mass storage device start unit command timeout.
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