Asus P8Z77VLX Legacy USB Support [Enabled], Legacy USB3.0 Support [Enabled], Intel xHCI Mode [Smart Auto], EHCI Hand-off[Disabled], 3.5.6Onboard Devices Configuration

Legacy USB Support [Enabled]

[Enabled]	Enables the support for USB devices on legacy operating systems (OS).
[Disabled]	The USB devices can be used only for the BIOS setup program.
[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.

Legacy USB3.0 Support [Enabled]

[Enabled]	Enables the support for USB 3.0 devices on legacy operating systems
	(OS).
[Disabled]	Disables the function.

Intel xHCI Mode [Smart Auto]

Allows you to select the Intel xHCI Mode. Configuration options: [Smart Auto] [Auto] [Enabled] [Disabled]

EHCI Hand-off [Disabled]

[Enabled]	Enables the support for operating systems without an EHCI hand‑off
	feature.
[Disabled]	Disables the function.

3.5.6Onboard Devices Configuration

	EFI BIOS Utility - Advanced Mode				Exit
Main	Ai Tweaker	Advanced	Monitor	Boot	Tool
Back	Advanced\ Onboard Devices Configuration >
			Enabled	Enabled/Disabled Azalia HD Audio
HD Audio controller
Front Panel Type			HD
SPDIF Out Type			SPDIF
Realtek LAN Controller			Enabled
Realtek PXE OPROM			Disabled
> Serial Port Configuration
				→←: Select Screen
				↑↓: Select Item
				Enter: Select
				+/-: Change Opt.
				F1: General Help
				F2: Previous Values
				F5: Optimized Defaults
				F10: Save	ESC: Exit
				F12: Print Screen
	Version	2.10.1208. Copyright	(C) 2011 American	Megatrends, Inc.

Chapter 3

ASUS P8Z77-V LX 3-21