Chaintech Zenith ZNF nForce3 Motherboard Review. Take it from me, with the "regular" Athlon64 'K8' processor you get about 95% of the. Anyone running a 64 bit processor yet? I am just building a system (for me this time!) with a Chaintech ZNF ZENITH mobo and an AMD Here's my system I just got from Newegg:Chaintech ZNF ZENITH moboAthlon 64 proc2 X Corsair MB DDR LLAti XTAntec True Power.