you're trying to link two CPUs on the same motherboard? Are you using Socket 7? Or Socket 370?
I had a Socket 370 motherboard that had a Slot 1 CPU expansion (main CPU) and another expansion in Socket 7 that I could mount another CPU to. Thus giving me two CPUs. I never actually did it though, I retrieved an older Pentium CPU and it was ONE(!!!) pin off from fitting, so I don't have experience actually enabling it, however, if you did get both to run, then you'd be blazing fast! I mean, sure the processors are slow compared to today's standards, but you have TWO processors, two is always better then one.