On May 11, 2007, at 8:56 PM, Don wrote: > Is anyone here running X.3 Panther on a B&W 300 > mhz Rev 1 version machine? I've run it and Tiger on a 400 MHz B&W Rev. 1. > Two different X copies refuse to install on four different > machines. I'm thinking a software issue as opposed to a > Bad disk or bad machine. Refuse how? Perhaps you have DVD install Discs and your machines CD- ROM drives? Phil