> Hmmm, I was hoping that I could replace the Coco chip. And no way to > replace > the Coco chip with a personalized EPROM. > > Oh, well. Thanks You can replace the CoCo3 EPROM if you want. It is just traditionally done in the controller. I think the EPROM might be soldered into the board in the CoCo3, though?? I know the CPU is, but I'm not sure about the EPROM. HH