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Continue to ChatFirmware update enables Mac OS 9 booting in Power Mac G5 systems https://macdailynews.com/2004/04/01/firmware_update_enables_mac_os_9_booting_in_power_mac_g5_systems/
Firmware update enables Mac OS 9 booting in Power Mac G5 systems https://macdailynews.com/2004/04/01/firmware_update_enables_mac_os_9_booting_in_power_mac_g5_systems/