Is firmware update (G4 Sawtooth audio fix) mandatory for upgrading to OSX?

Ive heard that you have to use the old Mac OS 9.1 to update the G4's firmware before installing OSX tiger. My problem is that ive bought a G4 without any existing operating systems and only have OSX tiger to put on it. I think the firmware is just an audio fix or something,
has anyone updated without it?

Sorry but no. You have to use Classic to update it. Yeah well PC has no need to update firmware becuase they don't use Open Firmware, I think it's a UNIX thing. Not really sure on it, but if you'd like to know you can go to http://www.openfirmware.org
By the way, if you want Classic I can send you a disk that worked for my G4 AGP, I ordered two by accident. It installed in literally 2 minutes. It's extremely easy to install and it's worth it, booting up with new firmware is quicker. Not by much, but with a 450 mhz processor you'll notice the difference!
Eric
PowerMac G4 sawtooth 1.6 gHz G-celerator   Mac OS X (10.4.5)   704mb ram 27gb 200gb 250gb

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