通过com口来控制客户端几台的superIO的功能，可以开关客户端的电源灯，控制蜂鸣器开关，CPU/sys smartfan。这是一个客户端的程序，控制端见说明文档-By com port to control several of superIO client function, you can switch the client' s power light, control the buzzer switch, CPU/sys smartfan. This is a client program, see the documentation control terminal