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 [Enabled]

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.

2.5.9Onboard Devices Configuration

HD Audio Controller [Enabled]

[Enabled]

Enables the High Definition Audio Controller.

[Disabled]

Disables the controller.

 

The following item appears only when you set the HD Audio Controller item to [Enabled].

Front Panel Type [HD]

Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high- definition audio depending on the audio standard that the front panel audio module supports.

[HD]

Sets the front panel audio connector (AAFP) mode to high definition audio.

[AC97]

Sets the front panel audio connector (AAFP) mode to legacy AC’97

Realtek LAN Controller [Enabled]

[Enabled]

Enables the Realtek LAN controller.

[Disabled]

Disables the controller.

Realtek PXE OPROM [Disabled]

This item appears only when you set the previous item to [Enabled] and allows you to enable or disable the PXE OptionRom of the Realtek LAN controller. Configuration options: [Enabled] [Disabled]

Serial Port Configuration

The sub-items in this menu allow you to set the serial port configuration.

This item functions only if there is a serial port (COM1) connector on the motherboard.

Serial Port [Enabled]

Allows you to enable or disable the serial port (COM).

Configuration options: [Enabled] [Disabled]

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ASUS P8B75-M