Just goes to show you how people experiment with older…redundant equipment like a late Apple G5 and get not only Sierra 10.12.2 to work against all odds and with the addition of a second hand GTX680 graphics board and a slot in Black Magic video I/O card.
We are made to believe by Apple that FCPX 10.3 won’t work with certain recent MacBook Pros but my friend Norrie has the proof that there is a fair bit of kiddology when it comes to what certain hardware, Apple software works with.
He knew that his G5 as it stood would not work with FCPX so he changed the graphics board for a 2nd hand GTX-680 and downloaded a copy of Sierra 10.12.2, to his amazement it all worked fine apart from his WiFi board which he retcons he could update for a few pounds but as he never uses WiFi it was pointless.
Apart from HDMI out and Thunderbolt there seems to be little in it and Norrie should know he has been building and repairing all sorts of video computers for over 15 years now. He was astounded by his findings and proves one thing you can’t always take what Apple say as RED.