Asus P9X79 DELUXE User Manual download pdf (Page 108)

3-32 Chapter 3: BIOS setup

Chapter 3

3.5.5 USB Conguration

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]

[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.

Main

Ai Tweaker

Advanced Monitor Boot Tool

Exit

Enables Legacy USB support. AUTO

option disables legacy support if no

USB devices are connected. DISABLE

option will keep USB devices

available only for UEFI applications.

Back Advanced\ USB Configuration >

UEFI BIOS Utility - Advanced Mode

USB Configuration

USB Devices:

1 Keyboard, 1 Mouse, 4 Hubs

Legacy USB Support Enabled

Legacy USB3.0 Support Enabled

EHCI Hand-off Disabled

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Asus P9X79 DELUXE User Manual Page 108