Usb Configuration - Avalue Technology EMX-H110DC User Manual

EMX-H110DC User's Manual

3.6.2.7 USB Configuration

The USB Configuration menu helps read USB information and configures USB settings.
Item
Legacy USB Support
XHCI Hand-off
USB Device Boot
Port 60/64 Emulation
USB transfer time-out
Device reset time-out
Device power-up delay
48 EMX-H110DC User's Manual
Options
Enabled[Default]
Disabled
Auto
Enabled[Default]
Disabled
Enabled[Default]
Disabled
Enabled
Disabled[Default]
1 sec
5 sec
10 sec
20 sec[Default]
10 sec
20 sec[Default]
30 sec
40 sec
Auto[Default]
Manual
Description
Enables Legacy USB support. AUTO option
disables legacy support if no USB devices are
connected. DISABLE option will keep USB
devices available only for EFI applications.
This is a workaround for OSew without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
Enable/Disable USB Mass Storage Driver
Support.
Enable I/O port 60h/64h emulation support.
This should be enabled for the complete USB
keyboard legacy support for non-USB aware
OSes.
The time-out value for Control, Bulk, and
Interrupt transfers.
USB mass storage device Start Unit command
time-out.
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, for a Hub port the delay is taken form
Hub descriptor.