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4 usb configuration, 6 power menu, Usb configuration -21 – Asus M4A78 Pro User Manual

Page 65: Power menu -21, Usb support [enable, Legacy usb support [enabled, Usb 2.0 controller mode [hispeed, Bios ehci hand-off [enabled

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Chapter 2: BIOS setup

2-21

2.5.4

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

no USB device is detected, the item shows None.

USB Support [Enable]

Allows you to enable or disable the USB Functions.

Configuration options: [Enabled] [Disabled]

Legacy USB Support [Enabled]

Allows you to enable or disable support for USB devices on legacy operating systems

(OS). 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]

USB 2.0 Controller Mode [HiSpeed]

Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12

Mbps).

Configuration options: [FullSpeed] [HiSpeed]

BIOS EHCI Hand-off [Enabled]

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

Configuration options: [Disabled] [Enabled]

2.6

Power menu

The Power menu items allow you to change the settings for the Advanced Configuration and

Power Interface (ACPI) and the Advanced Power Management (APM). Select an item then

press to display the configuration options.

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

BIOS SETUP UTILITY

Main Ai Tweaker Advanced

Power

Boot Tools Exit

Suspend Mode

[Auto]

Repost Video on S3 Resume

[No]

ACPI 2.0 Support

[Disabled]

ACPI APIC support

[Enabled]

APM Configuration

Hardware Monitor

←→

Select Screen

↑↓

Select Item

+- Change Option

F1 General Help

F10 Save and Exit

ESC Exit

Select the ACPI state

used for System

Suspend.