Quote Originally Posted by asp6000 View Post
anything between 1730 and 1803-ish and either i get no post or windows kernal start-up error.
Really?

I think it might be mem related then.

Since over 1800, the mem controlled really relaxes itself, and then that is why the big performance drop.

Maybe the mem controller can't handle 4gb well.

Have you tried just one 2gb stick? or 2x1gb sticks at 1800?