ASUS P8H77-M Manual Do Utilizador

Chapter 2: BIOS information

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iGPU Multi-Monitor [Enabled]

Allows you to enable the iGPU Multi-Monitor. For Lucid Virtu MVP function support, set this item to 

[Enabled] to empower both integrated and discrete graphics. iGPU shared system memory size is 

fixed in 64MB. Configuration options: [Disabled] [Enabled]

Allows you to configure the NB PCI Express settings.

PCIEX16_1 Link Speed [Auto]

Allows you to configure the PCIE x16_1 speed. Configuration options: [Auto] [Gen1] [Gen2] 

The USB Devices item shows the auto-detected values. If no USB device is detected, the 

item shows None.

[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.

[Enabled] 

Enables the support for USB 3.0 devices on legacy operating systems 

(OS).

[Disabled] 

Disables the function.

Allows you to select an operation mode for the Intel xHCI controller. Configuration options: 

[Smart Auto] [Auto] [Enabled] [Disabled]

[Enabled] 

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

feature.

[Disabled] 

Disables the function.

[Enabled] 

Enables the High Definition Audio Controller.

[Disabled] 

Disables the controller.

The following two items appear only when you set the HD Audio Controller item to 

[Enabled].

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