Apple PowerBook G4 Firmware for Mac

Name: Apple PowerBook G4 Firmware
Rating: 4 (1 reviews)
Author: Apple

By Apple
Free
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Developer’s Description

By Apple

for 550/667MHz PowerBook G4

The PowerBook Firmware Update 4.2.9 will only run on 550MHz or 667MHz PowerBook G4 computers running Mac OS 9.1 or later from a local drive. If you are using Mac OS X you must boot from a local Mac OS 9.1 writeable partition (not a CD, or network disk) prior to following the update instructions. Firmware Update 4.2.9 includes improvements to Firewire target disk mode when running Mac OS X, and improves starting up on systems with 1gigabyte (GB) RAM and enables Netbooting over gigabit Ethernet.