Yep, unlike OS 4 it crashes the system. I brought this up to the MorohOS guys before, but they don't seem to care enough to look into it.
Well it doesn't seem likely to be caused specifically by hardware bashing, otherwise it'd never work on the A1 either. The only issue I have had with it in OS4 is that on my A1200 (ironically) the timing is sometimes out by a constant factor (not varying at least) and needs the tempo adjusting to correct. I thought this might be down to how the EClock is handled being as it's 15MHz on my BPPC rather than the ~709kHz that it is on the same machine running 3.x, but of course, the EClock rate on my A1 is 33.33MHz so probably not that either.
