Usb Configuration - IBASE Technology SI-324 User Manual

4.4.10

USB Configuration

BIOS Setting
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver
Support
USB Transfer time-out
Device reset time-out
Device power-up delay
32
Description
•
Enable: Enables Ledacy USB Support.
•
Auto: Disables legacy support if no USB
devices are 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.
Enables / Disables the support for USB mass
storage driver.
The time-out value for Control, Bulk, and
Interrupt transfers.
Seconds of delaying execution of start unit
command to USB mass storage device.
The 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
100ms. But for a Hub port, the delay is taken
from Hub descriptor.
SI-324 User Manual