> The boot ROM? I thought that wasn't all that big on newworlds... It's 1Mb compressed iirc, and it contains OF along with the OF F-code drivers for the built-in hardware. > Good idea - do you have a lsprop tool for MacOS X ? ioreg. Or use OF itself: dev /pci@f0000000/ATY,blah .properties (or "ls" to see what's there) Ben.