1 usb configuration, Usb functions [enabled, Legacy usb support [enabled – Asus DSAN-DX User Manual

Page 78: Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled

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4-14

Chapter 4: BIOS setup

4.4.1

USB Configuration

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

item then press <Enter> to display the configuration options.

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

BIOS SETUP UTILITY

Advanced

USB Configuration

Module Version - 2.24.3-13.4

USB Devices Enabled:

None

USB Functions

[Enabled]

Legacy USB Support

[Enabled]

USB 2.0 Controller Mode

[HiSpeed]

BIOS EHCI Hand-Off

[Enabled]

←→

Select Screen

↑↓

Select Item

+- Change Option

F1 General Help

F10 Save and Exit

ESC Exit

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

device is detected, the item shows None.

USB Functions [Enabled]

Allows you to enable the USB host controller.

Configuration options: [Disabled] [Enabled]

The following item appears only when you set USB Function to [Enabled].

Legacy USB Support [Enabled]

Allows you to enable or disable support for legacy USB devices. Setting to [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. Configuration options: [Disabled] [Enabled] [Auto]

The following item appears only when you set USB Function to [Enabled].

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller to HiSpeed (480Mbps) or FullSpeed

(12Mbps). Configuration options: [FullSpeed] [HiSpeed]

BIOS EHCI Hand-Off [Enabled]

Enables or disables the BIOS EHCI hand-off support.

Configuration options: [Disabled] [Enabled]

Options

Disabled

Enabled

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