Boot from CD in Open Firmware

Ok, you’re a security conscious Mac user so you’ve enabled the Open Firmware password. Now you want to boot from a CD and just holding down the “C” key while the computer starts up won’t work. What do you do?

You boot into Open Firmware (hold down command-option-O-F while the computer starts up), hit return and, when prompted, enter your Open Firmware password. Then at the prompt type

boot cd:,\\tbxi

47DN8DWPETEH