IBASE Technology AMS300, Руководство пользователя

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BIOS Setup
AMS300 / 301 / 302 User Manual 67
4
4.4.9 USB Configuration
BIOS Setting Description
Legacy USB Support Enables / Disables Legacy USB support.
•
Auto disables legacy support if there is no
USB device connected.
•
Disable keeps USB devices available only
for EFI applications.
XHCI Hand-pff This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
USB Mass Storage Driver
Support Enables / Disables USB mass storage driver
support.
Port 60/64 Emulation Enables / Disables I/O port 60h/64h emulation
support. This should be enabled for the
complete USB keyboard legacy support for
non-USB aware OSes.
USB Transfer time-out Sets the time-out value 1, 5, 10 or 20 sec(s) for
Control, Bulk, and Interrupt transfers.
Device reset time-out Sets the seconds (10, 20, 30, 40 secs) of
delaying execution of start unit command to
USB mass storage device.