D4SK

Very interesting. So i guess its called O3 because you get another 3% :) Testing this more I am getting some rare serial connection failures with a "Got b'\xf8' from...

the startup issue seems to be fixed by enabeling the cache not at the end of the clock_setup but earlier. I also added the benchmark results. Before it would sometimes...

True. The different ram adresses were introduced with the h743 port. I changed it so they both the same now

Just tested this and it works fine.