USB Configuration
Legacy USB Support
It allows you to enable or disable support for USB devices on legacy operating
system (OS). When you set up to "Auto", it allows the system to detect the
presence of USB device at startup image. If detected, the USB controller legacy
mode is enabled. If no USB device is detected, the legacy USB support is disabled.
The options: [Disabled], [Enabled], [Auto].USB 2.0 Controller allows you to
enable or disable the USB 2.0 controller. The options: [Disabled] [Enabled].
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IA71 Motherboard User Manual V1.0