3.3.6 USB Configuration
Legacy USB Support
Use this option to select legacy support for USB devices. There
are two configuration options: [Enabled] and [UEFI Setup Only].
The default value is [Enabled]. Please refer to below descriptions
for the details of these two options:
[Enabled] - Enables support for legacy USB.
[UEFI Setup Only] - USB devices are allowed to use only under
UEFI setup and Windows / Linux OS.
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