DFI HD100-H81 - Manual (Page 44)

www.dfi .com
44
Chapter 3 BIOS Setup
Chapter 3
USB Configuration
This field is used to configure the USB settings.
Precondition work on
USB host controller
and root ports for faster
enumeration.
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.
USB Confi guration
USB Precondition
XHCI Mode
USB Ports Per-Port Disable Control
[Disabled]
[Auto]
[Disabled]
Chipset
USB Precondition
Precondition works on USB host controller and root ports for faster enumeration.
XHCI Mode
Selects the operation mode of XHCI controller. These options are Auto, Enabled,
and Disabled. When Disabled is selected in the XHCI Mode, it will display the following
information:
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.
Mode of operation of
XHCI controller.
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.
USB Confi guration
USB Precondition
XHCI Mode
EHCI1
EHCI2
USB Ports Per-Port Disable Control
[Disabled]
[Disabled]
[Enabled]
[Enabled]
[Disabled]
Chipset
 Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Reset
ESC: Exit
 Select Screen
 Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized Defaults
F4: Save & Reset
ESC: Exit