
User’s Manual
Custom Embedded Solutions
WIN Enterprises, Inc.
www.win-ent.com
(978) 688-2000
35
3.4.4 USB Configuration
This sub menu allows you to set or change the configurations for the USB
devices installed in the system.
Legacy USB Support: [Enabled]
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
application.
EHCI Hand-off: [Disabled]
This item allows you to enable/disable the EHCI Hand-off function.
USB transfer time
‐‐‐‐
out:
[20 sec]
This item allows you to configure the USB transfer time
‐
out.
Device reset time
‐‐‐‐
out:
[20 sec]
This item allows you to configure the Device reset time
‐
out.
Device Power
‐‐‐‐
up delay:
[Auto]
This item allows you to configure the maximum time the device will take before it
properly reports itself to the host controller. The default is [Auto]; for a root port it is
100ms, for a Hub port the delay is taken from Hub description.