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
USB mass storage device Start Unit command timeout.
Options are: 10 sec / 20 sec / 30 sec / 40 sec.
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IC70 Motherboard User Manual