Disabling Password Protection
1) Boot into the Open Firmware. (Command + Option + O + F)
2) Type «setenv security-mode none» and press return.
3) Enter in the password at the password request prompt and press return.
4) Then type «reset-all» to restart the computer.
Force Removing Password Protection
1) Add or remove DIMMs to change the total amount of RAM in the computer.
2) Then, the PRAM must be reset 3 times. (Command + Option + P + R).
