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2 usb configuration, Usb functions [enabled, Legacy usb support [auto – Asus E2938 User Manual

Page 90: Port 64/60 emulation [disabled, Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled

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4-

Chapter 4: BIOS setup

4.5.2

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 Module Version and USB Devices Enabled items show the auto-detected

values. If no USB device is detected, the item shows None.

USB Functions [Enabled]

Allows you to enable or disable the USB functions. The following sub-items appear

when this item is set to [Enabled]. Configuration options: [Disabled] [Enabled]

Legacy USB Support [Auto]

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]

Port 64/60 Emulation [Disabled]

Allows you to enable or disable the I/O port 60h/64h emulation support. This item

I/O port 60h/64h emulation support. This item

should be enabled for the complete USB keyboard legacy support for non-USB

aware OS. Configuration options: [Disabled] [Enabled]

USB 2.0 Controller Mode [HiSpeed]

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

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

[FullSpeed ] [HiSpeed ]

[HiSpeed ]

BIOS EHCI Hand-off [Enabled]

Allows you to enable support for operating systems without an EHCI hand-off

feature. Configuration options: [Disabled] [Enabled]

Select Screen

Select Item

+- Change Option

F1 General Help

F10 Save and Exit

ESC Exit

v02.58 (C)Copyright 1985-2006, American Megatrends, Inc.

USB Configuration

Module Version - 2.24.0-11.4

USB Devices Enabled:

None

USB Functions

[Enabled]

Legacy USB Support

[Auto]

Port 64/60 Emulation

[Disabled]

USB 2.0 Controller Mode

[HiSpeed]

BIOS EHCI Hand-off

[Enabled]

Options

Enabled

Disabled

BIOS SETUP UTILITY

Advanced

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