I belive!
That you either update to the latest BIOS which I'm not 100% sure if the Modify Ratio Support feature is available.
Or, that there was never an available option for that chipset (or motherboard) in particular.

That you either update to the latest BIOS which I'm not 100% sure if the Modify Ratio Support feature is available.
Or, that there was never an available option for that chipset (or motherboard) in particular.