Apple Plaintalk Microphone Compatibility: Power Macintosh and Performa 6x00 and 5x00 Series Computers, Power Macintosh 6100, 7100, and 8100 Series, Power Macintosh 7200 Series, Power Macintosh 9500 and 9600 Series, Power Macintosh G4, Power Macintosh G3, &amp; Flavor iMacs