Kontron COMe-bIP2 - Manual (Page 94)

COMe-bIP2 / BIOS Operation
USB Configuration
Feature Options Description
Legacy USB Support Enabled
Disabled
AUTO
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 Enabled
Disabled Enable/Disable USB3.0 (XHCI) Controller support. On
Type 2 board only supported by external PCIe Card
XHCI Hand-off Enabled
Disabled
This is a workaround for OSes without XHCI hand-off
Support. The XHCI ownership change should be claimed
by XHCI driver
EHCI Hand-off Enabled
Disabled This is a workaround for OSes without EHCI hand-off
Support. The EHCI ownership change should be claimed
by EHCI driver
USB Beep Enabled
Disabled Send speaker beep for device attach / detach
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 100ms, for a Hub port the
delay is taken from Hub descriptor
Device power-up delay in seconds 5 Delay range is 1…40 seconds, in one second increments
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