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USB Control Descriptions
USB Function: Enables USB host controllers. May be enabled for all ports, specific
ports, or no ports.
USB 2.0 Controller: Controls the USB 2.0 Controller. When enabled, the system will support
high-speed (480 Mbps) USB devices, provided the OS loads a driver for
the 2.0 Controller.
USB 2.0 Controller Mode: Toggles the USB 2.0 Controller between HiSpeed (480Mbps) and
FullSpeed (12Mpbs).
Legacy USB Support: Controls whether USB devices are available after POST. When set to
Disabled, the USB keyboard may be used only during POST. Storage
devices are not applicable in POST Only mode since they do not need to
be accessed. When set to Enabled, USB devices including drives, CD-
ROMs, keyboards, and mice can be accessed after POST has
completed.
USB Keyboard Legacy Support: When enabled, this option allows any USB keyboard to be recognized as
a standard input device by an Operating System without native USB
support (such as DOS).
USB Mouse Legacy Support: When enabled, this option allows any USB mouse to be recognized as a
standard input device by an Operating System without native USB
support (such as DOS).
USB Storage Device Support: When enabled, this option allows any USB storage device to be
recognized as a standard input device by an Operating System without
native USB support (such as DOS).
USB Mass Storage Config Descriptions
USB Mass Storage Reset Delay: Number of seconds to wait for a USB mass storage device after
sending the start unit command.
Emulation Type: Specifies the method used to determine the type of USB mass storage
devices connected.