5 usb configuration, Legacy usb support, Ehci hand-off – ADLINK STC-15W04 User Manual

Page 42: Usb transfer time-out, Device reset time-out

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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.