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iGPU Memory [64M]
Allows you to set the iGPU memory size. Configuration options: [32M] [64M] [96M]
[128M] ~ [448M] [480M] [512M] [1024M]
Render Standby [Enabled]
Allows you to enable or disable Render Standby by internal graphics devices.
Configuration options: [Disabled] [Enabled]
Initiate iGPU [Disabled]
Allows you to enable or disable the Lucid Virtu support for both the integrated and
discrete graphics. The iGPU shared memory size will be fixed at 64MB. Configuration
options: [Disabled] [Enabled]
NB PCIe Configuration
PCIEX16_1 Link Speed [Auto]
Sets up PCIEX16_1 B0:D1:F0 Gen1~Gen2. Configuration options: [Auto] [Gen1]
[Gen2]
PCIEX16_2 Link Speed [Auto]
Sets up PCIEX16_1 B0:D1:F1 Gen1~Gen2. Configuration options: [Auto] [Gen1]
[Gen2]
4.4.5
USB Configuration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
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]
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.
Intel xHCI Mode [Smart Auto]
Allows you to select an operation mode for the Intel xHCI controller. 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.
4-18
Chapter 4: BIOS setup
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