3.4.3 Advanced: USB Configuration
Options summary: (default setting)
XHCI Mode
Mode of operation of xHCI controller
Legacy USB Support
Enables BIOS Support for Legacy USB Support. When enabled, USB can be
functional in legacy environment like DOS. AUTO option disables legacy support
if no USB devices are connected. DISABLE option will keep USB devices available
only for EFI application
Chapter 3 – AMI BIOS Setup
Enabled
Disabled
Enabled
Disabled
Auto
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