BX-PIB0x Embedded Box System
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4.2.7 USB Configuration
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.
USB 3.0 Support: Enable/disable USB 3.0.
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 EHCI 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 time-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.
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