Great, I will try booting one of the Linux floppy images on a CPU-30 when I get there. smile

Right now I am swearing because I just found out that the poor CPU-40 init code I pointed out is even worse, it seem that the PIT and the DUSCC gets the *same* init sequence. This indicates that some table driven init assumes something I don't reflect at the moment, such as a proper board ID or relocated devices, need to dig deeper before the CPU-40 board will start producing any output. The FGA-002 is updated too since the new init is 4.x vs 3.x for the CPU-30 and there are a lot of new registers. I need to park that for a moment, thought it would be easy! smile

Because I can