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USB Configuration
The USB Configuration submenu lets you specify the settings for the legacy devices and USB 2.0.
Parameter
USB Function
Legacy USB Support
Port 60/64 Emulation
USB 2.0 Controller
USB 2.0 Controller Mode
38
Description
When set to disabled other USB options are grayed out
Enables support for legacy USB. AUTO option disables leg-
acy support if no USB devices are connected. If disabled,
USB legacy support will not be disabled until booting an
OS.
Enables I/O port 60/64 emulation support . This should be
enabled for the complete USB keyboard legacy support for
non-USB aware OSes.
Enables USB 2.0
Configures the USB 2.0 controller in HiSpeed (480Mbps) or
FullSpeed (12Mbps)
Option
Disabled
Enabled
Disabled
Keyboard only
Auto
Keyboard and
Mouse
Disabled
Enabled
Disabled
Enabled
FullSpeed
HiSpeed
Chapter 2
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