Aaeon PCM-QM77 Manual page 94

C o m p a c t B o a r d
Dynamic Digital IO Configration
Options summary: (default setting)
Digital Port X(GPXX)
Direction
Set GPIOx as Input or Output
Digital Port X(GPXX) Levels
Set GPIO output level when used as output pin
Chapter 3 AMI BIOS Setup 3-12
Input
Output
Hi
Low
P C M - Q M 7 7