8 usb configuration sub-menu – Kontron AT8060 User Manual
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Software Setup
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5.1.4.8
USB Configuration sub-menu
Feature
Option
Description
Help text
USB Configuration
Subtitle
USB Devices:
Display only
Legacy USB Support
Enabled, Disabled,
Auto
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.
EHCI Hand-off
Disabled, Enabled
This is a workaround for
OSes without EHCI hand-
off support. The EHCI
ownership change
should be claimed by
EHCI driver.
Port 60/64 Emulation
Disabled, Enabled
Enables I/O port 60h/
64h emulation support.
This should be enabled
for the complete USB
keyboard legacy support
for non-USB aware OSes.
USB hardware delays and
time-outs:
Subtitle
USB transfer time-out
1 sec, 5 sec, 10 sec,
20 sec
The time-out value for
Control, Bulk, and
Interrupt transfers.
Device reset time-out
10 sec, 20 sec, 30
sec, 40 sec
USB mass storage device
Start Unit command
time-out.