We cannot get Mac OS 9.1 installed on our iMac powerpc g3 333. When we try to install, we get a firmware not appropriate message. My OS Boot ROM is 3.0.f10 but I don't know if that is the same as the firmware version. Anyway, we downloaded firmware 1.2 but we could not find the application named "imac firmware updater" so all we did was to stuffit expand the bin that we downloaded, and then double clicked the expanded file, and all that happened was a quick window popped up and said "verifying" and then nothing happened. We still cannot install 9.1 because of the same firmware error. Are we required to do that trick with the paperclip pushing the reset button by the usb port? Or is there some other action we need to take? The firmware error message says that the firmware I need is in the "CD extras" folder on the install CD, but there is no firmware there, nor is there any firmware updater program there. Pretty sad aint it? Happy holidays from Ron and Diane.