I'm using the latest version 1.9.4 ,where at the top right there is 2 options
  for the kernel location  I'm having trouble to boot from the mac os location
  to test my centris 660 av with some kernels I don't know exacly how to
configure it ( after reading 1000 time the boot info ) but I can boot from
the
netbsd /mac location and see my mac crash