https://blog.wongcw.com/2021/11/01/%e5%90%8c%e6%ad%a5intel-12%e4%bb%a3%e9%85%b7%e7%9d%bf-%e6%b1%9f%e6%b3%a2%e9%be%8dddr5%e8%a8%98%e6%86%b6%e9%ab%94%e8%a8%88%e5%8a%83%e6%98%8e%e5%b9%b4%e9%87%8f%e7%94%a2/