Asus P9D-MV - Manual (Page 80)

4-16 Chapter 4: BIOS setup
4.4.2 PCH-IO Configuration
Allows you to configure PCH parameters.
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
Intel PCH RC Version 1.3.0.0
Intel PCH SKU Name C224
Intel PCH Rev ID 04/C1
USB Configuration
U S B C o n f i g u r a t i o n
settings.
USB Configuration
Allows you to set the USB Configuration settings.
USB Configuration settings
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
Mode of operation of xHCI
controller.
USB Configuration
XHCI Mode [Auto]
BTCG [Disabled]
EHCI1 [Enabled]
EHCI2 [Enabled]
USB Ports Per-Port Disable Control [Disabled]
XHCI Mode [Auto]
Allows you to set the mode of operation of the xHCI controller. Configuration options: [Auto]
[Enabled] [Disabled]
BTCG [Disabled]
Allows you to enable or disable trunk clock gating. Configuration options: [Enabled] [Disabled]
EHCI1 / EHCI2 [Enabled]
Allows you to control the USB EHCI (USB 2.0) functions. One EHCI controller must always
be enabled. Configuration options: [Disabled] [Enabled]
USB Ports Per-Port Disable Control [Disabled]
Allows you to control the disabling of the USB ports (0-13).
These items only appear when you set the USB Ports Per-Port Disable Control to [Enabled]
USB Port #0-#13 Disabled [Enabled]
This item allows you to enable/disable each of the USB ports (0-13).
Configuration options: [Disabled] [Enabled]