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USB Configuration
USB Devices
Display all detected USB devices.
Legacy USB Support
Use this item to enable or disable legacy support for USB devices. The default setting is
Enabled. 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
Enable or disable feature for OSes without an XHCI hand-off support.
EHCI Hand-off
Enable or disable feature for OSes without an EHCI hand-off support.
USB Mass Storage Driver Support
Enable or 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 option uses default value: for a root port it is 100ms, for a hub port the delay is taken
from hub descriptor.
19.0" Enclosed VESA Mount PC User's Guide
Page 26
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