> > I have ATXP3 :) No I have ATXP2 even. I cant regulate voltage (athough I can set VID register and load atxp1 module), but this chip can regulate FSB Near this chip is DIP switch to adjust FSB manually. It has 24 legs total. DIP SW combinations: 133 166 [OFF] [OFF] [ON] [ON] 100 133 [ON] [ON] [ON] [OFF] 133 100 [OFF] [ON] [ON] [OFF] 133 133 [OFF] [ON] [OFF] [OFF] 100 100 [OFF] [OFF] [OFF] [OFF So I think ATXP2 can adjust FSB and MEM frq somehow. Regards Rudolf