https://youtu.be/Ib7tFvw34DM
I Commented on the video that EOMA might be what he'd like.
I tried to point him to the EC firmware but "
http://hands.com/~lkcl/eoma" is bit of a mess. It contains a lot of (historical) info without structure.
If I'd like to start hacking on the laptop a staring point would be nice.