AAEON AEC-6977 - Manual (Page 53)

E m b e d d e d C o n t r o l l e r A E C - 6 9 7 7
USB Configuration
Options summary:
Enabled Optimal Default, Failsafe Default
Disabled
Legacy USB Support
Auto
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
Smart Auto
Auto Optimal Default, Failsafe Default
Enabled
xHCI Mode
Disabled
Mode of operation of xHCI controller
Chapter 3 AMI BIOS Setup 3-16