I am trying the acaswitchcpu command. When run without any arguments, it reboots fine into the CF card with the host CPU 68020.
But when given the command 'nm' (acacpuswitch nm) , the computer tries to reboot but gets stuck at the very beginning, black screen. The only way out is a cold reset.
The aca1233n is bone stock without any mod but an RTC module installed on the MB clockport.