The problem >was< my suroundmixer (selfmade)
(80%)
And:
I´ve reinstalled the graficdriver...
(20%)
now all is fine

I've been looking at ways of 'cleaning' power supplies on the web for a while now, but haven't done anything yet. There is a lot of talk about ferrite coils and beads. I'm wondering also about a special 'smoothing' electrical socket.On 2006-03-31 06:15, jonboyblue wrote:
I tried a different power supply and the noise wasn't present...
it's only a 300w 20pin supply so a little under powered for a p4d system.
anyway,
cheers every one for your help
laters
jonboy