If you created a password in the Open Firmware Password application while using a keyboard layout other than U.S., your password may not be recognized during the startup process (when you try to access Startup Manager, for example).
Symptom
Your Open Firmware password is not recognized during startup.
Solution
This issue occurs because keyboard layout mapping is not available early in the startup process. This means your keyboard input is treated as if it were a U.S. keyboard.
Use one of these two workarounds:
Either of these workarounds will have the effect of "reverse mapping" your password, so that it is recognized.