Basicfind sweet clock within auto voltage - multiple - voltage 5900x - 44 - 1.2 - 42 - 1.1 enablesvm / above 4g / re-size bardisablepbo / cpboptional - if not stable - llc to high Manualhttps://download.gigabyte.com/FileList/Manual/mb_manual_b550m-aorus-pro-p_ehttps://download.asrock.com/Manual/B550M%20Phantom%20Gaming%204.pdf