USB Configuration Asus prime Asus M3A78-EH

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IRQ-xx assigned to [PCI Device]

When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. 

When set to [Reserved], the IRQ is reserved for legacy ISA devices.  

Configuration options: [PCI Device] [Reserved]

USB Function [Enabled]

Enables or disables USB Controllers. Configuration options: [Disabled] [Enabled]

USB 2.0 Controllers [Enabled]

Enables or disables USB 2.0 controllers. Configuration options: [Disabled] 


Legacy USB Support [Auto]

Allows you to enable or disable support for Legacy USB storage devices, including 

USB flash drives and USB hard drives. 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] 

The Module Version and USB Devices Enabled items show the  

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


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.

   Select Screen

    Select Item


  Change Option

F1   General Help

F10   Save and Exit

ESC   Exit

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



USB Configuration

Module Version - 2.24.3-13.4

USB Devices Enabled:


USB Function 


USB 2.0 Controllers 


Legacy USB Support 


USB 2.0 Controller Mode  [HiSpeed]

Enanbles USB host