Not possible to manually increase clock speed on the Asus Prime X470 Pro.
Not possible to manually increase clock speed on the Asus Prime X470 Pro.
Also note that reaching 4.2Ghz across all cores will require keeping the voltage under 1.45V; beyond that the VRM can't supply enough current, and unless you're using the EK Mono Block, the board will overheat. The heatsinks here are really inadequate.