Você pode baixar Apple PowerBook G3 Firmware Updater 2.7 da nossa biblioteca de programas de graça. O software está dentro de Ferramentas do Sistema, na subcategoria Geral.
Do desenvolvedor:
The PowerBook Firmware Update 2.4 improves support for FireWire functionality on your PowerBook. The PowerBook Firmware Update 2.7 will only run on PowerBooks with built-in FireWire ports running Mac OS 9 from a local drive. If you are running Mac OS X on your Powerbook, you must restart in Mac OS 9 to install the PowerBook Firmware Update 2.7. To restart in Mac OS 9, use the Startup Disk pane of the System Preferences.