Mac OS X Server: "G3 Firmware Update Needed" Message

When starting up a Power Macintosh G3 (Blue and White) computer from a NetBoot server, a message is displayed stating that the firmware must be updated. What do I do?
You should update the computer's firmware. The Power Macintosh G3 Firmware Update 1.1 is available from the Apple Software Updates Web site at http://www.apple.com/swupdates.


The Read Me file for this update is available in article 58374: "Power Macintosh G3 (Blue and White): Firmware Update 1.1: Read Me"
Published Date: Feb 19, 2012