3 Chapter

3.5.4USB Configuration

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

 

UEFI BIOS Utility - Advanced Mode

 

 

Exit

Main

Ai Tweaker

Advanced

Monitor

Boot

Tool

Back

Advanced\ USB Configuration >

 

 

 

 

USB Configuration

 

 

Enables Legacy USB support. AUTO

 

 

 

 

option disables legacy support if no

USB Devices:

 

 

USB devices are connected. DISABLE

1 Keyboard, 1 Mouse, 4 Hubs

 

 

option will keep USB devices

 

 

 

 

 

available only for UEFI applications.

Legacy USB Support

Enabled

Legacy USB3.0 Support

Enabled

EHCI Hand-off

Disabled

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

Legacy USB Support [Enabled]

[Disabled]

The USB devices can be used only for the BIOS setup program.

[Enabled]

Enables the support for USB devices on legacy operating systems (OS).

[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]

[Disabled]

Disables the function.

[Enabled]

Enables the support for USB 3.0 devices on legacy operating systems

 

(OS).

EHCI Hand-off [Disabled]

[Disabled]

Disables the function.

[Enabled]

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

 

feature.

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Chapter 3: BIOS setup