It the BIOS, in ZenTimings, HWInfo, everywhere.
I tried setting 1:1 with higher voltages, 1.25 on SOC, 1.4 VDD, 1.4 VDDIO as well as 1.4 VDDQ but it just wouldn't boot.
I don't really feel comfortable going higher on any of these voltages, just to be able to set 1:1, so I loaded in a default...