BP with CUSL2-C

Hi guys,

I have tried Bios Patcher on my Asus CUSL2-C BP bios CSCB1009.
Before I start flashing, I have a question which I would very much like to know. It's the "Koeffs Support". What is it?

In addition to that, I was wondering is there anyway to add more CPU Vcore options? Currently, my options range from 1.5 to 1.8 in 0.5 increments. I know it can support a bit higher voltages like 1.85 to 1.95 or possibly 2.00+

I would really appreciate it if someone could provide me some info.

Thank you in advance

Regards,
WM