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USB Configuration
Legacy USB Support
Allows you select legacy support for USB devices.
Enabled: Enables Legacy USB support.
Disabled: Keep USB devices available only for EFI application.
Auto: Disables legacy support if no USB devices are connected.
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should be claimed by EHCI driver.
Options: Enabled, Disabled.
Part 60/64 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for the
complete USB keyboard legacy support for non-USB aware OSes.
Options: Enabled, Disabled.
USB transfer time-out
The time-out value for control, bulk, and interrupt transfers.
Options: 1 sec, 5 sec, 10 sec, 20 sec.
Device reset time-out
Sets USB mass storage devices start unit command time-out.
Options: 10 sec, 20 sec, 30 sec, 40 sec.
Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
1 Keyboard, 1 Mouse
Legacy USB Support
[Enabled]
EHCI Hand-off
[Disabled]
Part 60/64 Emulation
[Enabled]
USB Hardware delays and time-outs:
USB transfer time-out
[20 sec]
Device reset time-out
[20 sec]
Device power-up delay
[Auto]
Version 2.10.1208. Copyright (C) 2010 American Megatrends, Inc.
Enables Legacy USB support;
AUTO option disables legacy
support if no USB devices are
connected, DISABLED option
will keep USB devices
available only for EFI
application.
ÆÅ
: Select
Screen
:
Select Item
Enter: Select
+/-: Change
Opt.
F1: General
Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save
and
Exit