https://blog.wongcw.com/2020/07/03/fedora-%e9%96%8b%e7%99%bc%e8%80%85%e8%a8%8e%e8%ab%96%e6%94%be%e6%a3%84%e6%94%af%e6%8c%81legacy-bios-%e7%9a%84%e5%8f%af%e8%83%bd%e6%80%a7/