I had noticed that whenever I changed my chip ram setting to > 512K it automatically changed from OCS to ECS Agnus, and I was quite happy to see that it did. When I'm building a config I often have to experiment with the settings before I find the right combination, and that eliminates one more mistake that I might make. I haven't tried this yet, but I assume that if I load a config that has ECS Agnus/1 MB chip ram and then go select OCS, it should also change my chip ram setting to 512K. Hmmm, I think I'll have to try that out when I get home.