https://blog.wongcw.com/2019/06/12/amd%e8%89%af%e5%bf%83am4%e6%8f%92%e6%a7%bd%e7%94%a8%e5%88%b02020%e5%b9%b4zen3-ddr5%e6%9c%83%e6%8f%9b%e5%97%8e%ef%bc%9f/