|  reboot doesn't reboot. ok well it does shutdown and chime, but 
|  instead of showing OF etc, and booting up, it shows a white 
|  screen (no output), and stays there. You can hear the IDE disk 
|  do its thing, but no OS activity.

  Same here. I have just given up with auto-boot? true for now.
I got it to the point where typing "boot" at the OF prompt does
boot fine, but trying to enable auto booting will just give me
a white screen, and NetBSD doesn't seem to boot either.

  This is on a G4/400.

	mjl