I have a beige G3/500 running 9.2.1 with a PCI USB card. Is there any way for me to get USB Audio to work on my machine? Every other USB device has not had a problem with my computer, but for some reason USB audio refuses to work. If I look in Apple System Profiler it says that it sees the speakers and they are indeed an audio device, yet the built-in sound never turns off and the speakers remain silent.