beautypg.com

4 usb configuration, Usb configuration -23, Chapter 3 – Asus P7P55D Premium User Manual

Page 87: Usb support [enabled, Legacy usb support [enabled, Bios ehci hand-off [enabled

background image

ASUS P7P55D Premium

3-23

Chapter 3

3.6.4

USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then

press to display the configuration options.

The USB Devices Enabled item shows the auto-detected values. If no USB device is

detected, the item shows None.

USB Support [Enabled]

[Enabled]

Enables the USB Host Controllers.

[Disabled]

Disables the controllers.

The following items appear only when you set USB Support to [Enabled].

Legacy USB Support [Enabled]

[Disabled]

Disables the function.

[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.

BIOS EHCI Hand-off [Enabled]

[Disabled]

Disables the function.

[Enabled]

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

feature.

USB Configuration

Module Version - 2.24.5-13.4

USB Devices Enabled:

2 Hubs

USB Functions

[Enabled]

Legacy USB Support

[Auto]

BIOS EHCI Hand-Off

[Enabled]

BIOS SETUP UTILITY

Advanced

Options

Disabled

Enabled