https://blog.wongcw.com/2021/05/15/amd%e5%b0%87%e6%8e%a8%e5%87%bazen-4-epyc-genoa7004%e8%99%95%e7%90%86%e5%99%a8%e6%a0%b8%e5%bf%83%e6%95%b8%e8%b6%85%e9%81%8e64%e5%80%8b/