ASUS SABERTOOTH Z97 MARK S Manual De Usuario

3-38

Chapter 3: BIOS setup

The items in this menu allow you to change the USB-related features.

The Mass Storage Devices item shows the auto-detected values. If no USB device is 
detected, the item shows None.

[Enabled] 

Your system supports the USB devices in legacy operating systems.

[Disabled] 

Your USB devices can be used for BIOS setup only and cannot be 

recognized in the boot devices list.

[Auto] 

Your system automatically detects the presence of USB devices at startup. 

If any USB devices are detected, the legacy USB support is enabled.

[Auto] 

The xHCI is automatically enabled and runs at USB 3.0 mode when the 

xHCI driver is installed in the operating system.

[Smart Auto] 

Upon detection, the xHCI driver supports the USB 3.0 mode during both 

POST and operating system.

[Enabled] 

Enables the xHCI controller.

[Disabled] 

Disables the xHCI controller.

[Enabled] 

Enables the support for operating systems without an EHCI hand-off 

feature.

[Disabled] 

Disables the EHCI Hand-off support.