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2-10 USB Configuration
USB Configuration Parameters.
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.
XHCI Hand-off
THis is a workaround for OSes without XHCI hand-off support. THe CHCI ownership change should
be claimed by XHCI driver.
USB Mass Storage Driver Support
Enable/Disable USB Mas 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.
Device power-up delay in seconds
Delay range is 1..40 secinds, in one second increments.
USB FLASH DRIVE PMAP
This item Mass storage device emulation type. ‘AUTO‘ enumerates devices according to their
media format. Optical drives are emulated as ‘CDROM’ , drives with no media will be emulated
according to a drive type.
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