ASUS E2938 User Manual

4-

Chapter 4: BIOS setup

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

item then press <Enter> 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.

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]

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]

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]

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 ] 

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

feature. Configuration options: [Disabled] [Enabled]