Raptortosh I think I can have a try. I mentioned nokiachangzhi use B85/4690K/OZMosis 167X MAX/OS X 10.15, but if I use 167x mass and 10.13, can I use ozm configurater? The last OZC was release in 2018, 167x mass was release in 2016, 10.13.6 was also not a mordern system....
But, I found Set BIOS Features/Display Boot Option ROM Control to Legacy Only by default. ...
What can I do ?