Unity, I think that's a misread. Bibilit says it works with a different board, (not keyboard) so the issue is definitely on the logic board.
This thread from 2012 may be of help: https://68kmla.org/forums/index.php?/topic/17894-se-with-dead-adb-ports/
This thread from 2012 may be of help: https://68kmla.org/forums/index.php?/topic/17894-se-with-dead-adb-ports/