With everything unpluged, and CD's ejected.
Command-Option-P-R on startup: No change in behavior
Shift on startup: No change in behavior
X on startup: No change in behavior
As best as I can tell my problem is that the flashrom is horribly confused at this stage. I'm guessing if their...
Getting CD's in out using the method you identified works fine and have tried booting from a number of CD 8.x, 9.x, 10.x. However non change the behavior of it simply shutting down.
Removed all CD's and held the option key down. Again no change of it starting up then shutting down.
After...
System ran fine on MacOS 8
Started to Install MacOS X things seemed to go ok. But, was taking hours to start.
Realized I had forgot to upgrade the Firmware before Installing MacOS X.
Shut down the computer. Now it will start up breifly then shutdown. Have attempted all the usual things...