Powerbook G4 12" - Boot OS9?

[smrieck511]

I remember this as a problem with the unsupported bluetooth module, I removed it. See step 53:
https://www.ifixit.com/Guide/PowerBook+G4+Aluminum+12-Inch+867+MHz+Bluetooth+Replacement/216

This is really deep in there, easier to unplug it and leave it in (step 30)

With the audio, you can solder-bridge the jack on the audio daughterboard to simulate the dummy plug if you want to make this cleaner. If you are interested I can get a photo of this.

Thanks, I would very much appreciate a photo of that.

 

[joevt]

"USB Prober" from the USB DDK 1.5.9f1 can show info about connected USB devices.

 

[smrieck511]

"USB Prober" from the USB DDK 1.5.9f1 can show info about connected USB devices.

Thanks! Found it on macintoshgarden.

 

[opualuan]

This is the easiest way to rework I found: remove R223. Easily reversible if needed. This is located underneath the hard drive bracket, I think it can be removed without taking out the motherboard. Tested good today.

This way the computer thinks there is always a headphone plugged in. No startup chime, but from then on sound works from internal speakers including volume control. If you plug in external speakers/headphone, sound comes from both internal and external.