I have a G4 - AGP Graphics - 450 MGZ 1GB SD Ram running TIGER 10,4,9 - when I am trying to install the 1800 sonnet - initially it booted p properly and ran properly - but over time on boot up it collapses and moving the mouse causes it to have to restart - but runs very unstable and I had to put the original card back in (450) to et any kind of sable running had originall installed the firmware programs as required - can the 1800 sonnet be tested if it has any inernl probems - I sent an e mail to sonnet but have had no reply- anybody any suggestions - also another problem - VIRTUAL PC needs native card - any way around this ??? win werner