All AGP 8x cards will work on AGP 4x.
You may want to invest in a new Mobo and cpu first
Are you saying my good ole 2.4C not so good with X1950 PRO?Yeah,. although your older CPU might not be a good pair to an X1950 PRO.
You might be better off saving your money and getting a cheaper card like a 7600 GT...
Yeah, "Simon says..."simon007 said he got it for 150 AR