@Ablev
Thank you for your welcome and your English it's not so bad
Try to read this :
http://www.pctreiber.net/beitrag5798,threadview,0,hilight,3,hilightuser,0,seite4.html
The user Lemonadesoda is able to use FSB300 on Q6600
However I think that it's impossible that we got a problem just...