Kontron MSM-LP Manual User Guide V106 - Manual (Page 49)

MSM-LP / BIOS Operation
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USB Configuration
Feature Options Description
Legacy USB Support
Enabled
Disabled
Auto Enabled 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.
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.
Port 60/64 Emulation
Enabled
Disabled Enables I/O port 60h/64h emulation support. This should be
enabled for the complete USB keyboard legacy support for
non-USB aware OEes.
USB transfer time-out
1 sec
5 sec
10 sec
20 sec
The time-out value for Control, Bulk, and Interrupt transfers.
Device reset time-out
10 sec
20 sec
30 sec
40 sec
USB mass storage device Start Unit command time-out.
Device power-up delay
Auto
Manuel 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 description.