DFI HD171/HD173-H81 User Manual page 42

XHCI Mode
Selects the operation mode of XHCI controller. These options are Auto, Enabled, and
Disabled. When Disabled, it will display the following information:
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Chipset
USB Confi guration
XHCI Mode [Disabled]
EHCI1 [Enabled]
EHCI2 [Enabled]
USB Ports Per-Port Disable Control [Disabled]
Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.
EHCI 1 and EHCI 2
These fields are used to control the functions of USB EHCI (USB 2.0) controllers
One EHCI controller must always be enabled.
Chapter 3 BIOS Setup
Chapter 3
Mode of operation of
xHCI controller.

Select Screen

Select Item
Enter: Select
+/ -:
Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Reset
ESC: Exit
.
42
USB Ports Per-Port Disable Control
This field is used to control each of the USB ports (0~13) disabling. When enabled,
it will display the following information:
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Chipset
USB Confi guration
[Auto]
XHCI Mode
USB Ports Per-Port Disable Control [Enabled]
USB Port #0 [Enabled]
USB Port #1 [Enabled]
USB Port #2 [Enabled]
USB Port #3 [Enabled]
USB Port #4 [Enabled]
USB Port #5 [Enabled]
[Enabled]
USB Port #8
USB Port #9 [Enabled]
USB Port #10 [Enabled]
USB Port #11 [Enabled]
Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.
USB Port #0/1/2/3/4/5/8/9/10/11
Enables or disables these USB ports.
Control each of the USB
ports (0~13) disabling.

Select Screen

Select Item
Enter: Select
+/ -: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Reset
ESC: Exit
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