I hope y’all find this helpful! This is just the beginning, so please let me know if you have any FAQs I should add.
After much procrastination, here is is! Thorough, complete installation documentation with lots of pictures.
I’ll get to the GFA-535 MK2 and GFA-545 documentation soon, but it’s pretty much the same, so if you’re installing one of those model boards, this is for you too.