Acnodes PC 8177 - Manual (Page 41)

 NCT6627UD Super IO Configuration
You can use this screen to select options for the Super IO Configuration, and change the value
of the selected option. A description of the selected item appears on the right side of the
screen. For items marked with
“>”, please press <Enter> for more options.
Serial Port 1~4 Configuration
Use this item to set parameters of serial port 1 to 4.