ADLINK STC-15W04 - Manual (Page 42)

34 BIOS
4.4.5 USB Configuration
Legacy USB Support
Enables legacy USB support. Auto option disables legacy sup-
port if no USB devices are connected. Disable option will keep
USB devices available only for EFI applications. Options:
Enable/Disable/Auto.
EHCI Hand-off
This is a workaround of OSes without EHCI hand-off support.
The EHCI ownership change should be claimed by the EHCI
driver. Options: Enabled, Disabled.
USB transfer time-out
The time-out value for Control, Bulk, and Interrupt transfers.
Set this value to 1 sec, 5 sec, 10 sec, 20 sec.
Device reset time-out
USB mass storage device Start Unit command time-out. Set
this value to 10 sec, 20 sec, 30 sec, 40 sec.