2x16gb DDR5 6000mt/s CL30 Single Rank Hynix

Whenever I try to decrease my tRFC from 479 to 447, I cant get post at all. Ive tried increasing VDD, VDDQ, and VDDIO from 1.4 up to 1.45 and it had no effect. My vSoC is incorrect in the photo, its actually set to 1.25v in the bios