ASUS P8H77-M LE 用户手册

Chapter 2: BIOS information

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[Enabled] 

Allow you to enable remapping the memory above 4GB.

[Disabled] 

Disables this function.

Primary Display [Auto]

Allows you to decide which graphics controller to use as the primary boot device. Configuration 

options: [Auto] [iGPU] [PCIE] [PCI]
iGPU Memory [64M]

Allows you to select the amount of system memory allocated to DVMT 5.0 used by the iGPU. 

Configuration options: [32M] [64M] [96M] [128M] ~ [416M] [448M] [480M] [512M] [1024M]
Render Standby [Enabled]

Allows you to enable the Intel Graphics Render Standby support to reduce the iGPU power use 

when idle. Configuration options: [Disabled] [Enabled]
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] [Gen3]

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.

This item appears only on P8Q67-M DO/USB3/TPM. 
[Enabled] 

Enables the support for USB 3.0 devices on legacy operating systems 

(OS).

[Disabled] 

Disables the function.

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