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WG-7302
Page
38
Document Details
WG-7302 User’s Guide
9.2.6 USB Configuration
Function
Option
Description
Legacy USB Support
Disabled
Enabled
Auto
Enables or Disable 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
Disabled
Enabled
This is a workaround for OSes without XHCI hand-off
support. The XHCI ownership change should be
claimed by XHCI driver.
EHCI Hand-off
Disabled
Enabled
This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be claimed
by EHCI driver.
USB Massage Storage
Driver
Disabled
Enabled
Enable/Disable USB Mass Storage Driver Support.
USB transfer time-out
1sec
5sec
10sec
20sec
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10sec
20sec
30sec
40sec
USB mass storage device Start Unit command time-out.
Device power-up delay
Auto
Manual
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 100 ms, for a Hub port the
delay is taken from Hub descriptior.