https://blog.faceutil.com/2020/03/20/%ec%82%ac%ec%9a%b4%eb%93%9c-%eb%93%9c%eb%9d%bc%ec%9d%b4%eb%b2%84-c-media-oxygentmhd-cmi8738-lx-windows-2000xpvistawin7-%e3%81%87/