> If boot-args CPUS=1 it seems to be a bit different: > Custom software won't see the second CPU
As said in comment #12, this is only true for "custom software" that knows this flag and complies with it, which isn't the case with MorphOS, which ignores this flag.
> system appears as a "single chip" system - nothing to "wake up".
It's the other way round. Setting the flag makes "custom software" that knows this flag and complies with it disable the 2nd CPU.
> If you have MacOS you should see that in CPU-Monitor.
