Usb Configuration - IBASE Technology FWA9400 User Manual

3.4.10

USB Configuration

BIOS Setting
Legacy USB Support
XHCI Hand-off
EHCI Hand-off
USB Mass Storage Driver
Support
Port 60/64 Emulation
USB Transfer time-out
38
Description
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.
This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
This is a workaround for OSes without EHCI
hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
Enables / Disables USB mass storage driver
support.
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.
Sets the time-out value 1, 5, 10 or 20 sec(s) for
Control, Bulk, and Interrupt transfers.
FWA9400 User Manual