User Manual

4-24
Chapter 4: BIOS setup
The
USB Devices
item shows the auto-detected values. If no USB device is detected, the
item shows
None
.
Legacy USB Support [Enabled]
Allows you to enable or disable the support for legacy USB devices. Setting to [Auto] allows
the system to detect the presence of USB devices at startup. If detected, the USB controller
legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled.
Conguration options: [Disabled] [Enabled] [Auto]
XHCI Hand-off [Enabled]
This functions as a workaround for OSes without XHCI hand-off support. Conguration
options: [Disabled] [Enabled]
Security Device Support [Disabled]
Allows you to enable or disable BIOS support for security devices. Conguration options:
[Disabled] [Enabled]
4.4.10 Trusted Computing
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
Enables or Disables BIOS
support for security
device.O.S. will not show
Security Device. TCG
EFI protocol and INT1A
interface will not be
available.
Conguration
Security Device Support [Disabled]
Current Status Information
NO Security Device Found
4.4.11 USB Configuration
This allows you to make changes on the conguration settings of the USB.
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
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.
USB Conguration
USB Module Version 8.11.01
USB Devices
3 Drives, 2 Keyboards, 1 Mouse,2 Hubs
Legacy USB Support [Enabled]
XHCI Hand-off [Enabled]
EHCI Hand-off [Disabled]
USB Mass Storage Driver Support [Enabled]
Port 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]
Mass Storage Devices:
AMI Virtual CDROM0 1.00 [Auto]
AMI Virtual Floppy0 1.00 [Auto]
AMI Virtual HDISK0 1.00 [Auto]