I just installed an accoustic edge sound card, updated the drivers to the latest version via the philips website, and I'm running windows millenium. 30 mins after booting, a melody that is definitely not random but not very good sounding will play. It is a couple piano keys played at the interval of 2 sec each. For example, C E D D C F G and then it'll keep looping over and over until I change turn my comp off. To make it even weirder is that it comes out of a different speaker everytime! Pretty freaky eh?