Need help with Pibus and RPi3B+

[TooEasyL2P]

AVR image is set up for my rasp shield and hifi dac.
open ibuscommunicator settings and go to category I/O Boards.
disable Arduino and enable pibus.
leave the setting window with OK.
reboot the system.
pibus is included in my addon.

I have done that. So I should just do fresh install and don't change anything and just that part in I/O boards?