IBASE SI-60E - Manual (Page 41)

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Legacy USB Support
Enables Legacy USB support.
AUTO option disables legacy support if no USB devices are connected.
DISABLE option will keep USB devices available only for EFI applications.
USB3.0 Support
Enable/Disable USB3.0 (XHCI) Controller support.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The XHCI ownership change
should be claimed by EHCI driver.
USB Mass Storage Driver Support
Enable/Disable USB Mass Storage Driver Support.
USB Transfer time-out
The time-out value for Control, Bulk, and Interrupt transfers.
Device reset tine-out
USB mass Storage device start Unit command time-out.
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 it is 100ms, for a Hub port the delay is taken from
Hub descriptor.