通过按动STAR ES598PCI单板机的G6区的1~7号键，使用单板机上的8255A芯片进行音调的选择，由8253芯片控制产生不同频率的方波，输出到单板机上D1区的蜂鸣器，使其对应于G6区的1~7号键由低到高发出1~7的音阶，并由8255A芯片控制8253芯片的工作状态，使其能够控制蜂鸣器的发声与否，从而实现简易电子琴的演奏功能。同时，也可以通过事先设置好的“乐谱”回放一段音乐，实现简易电子琴的回放功能以及对用户演奏过的一段音乐进行重放功能。用户可以通过DOS界面下的菜单对电子琴的回放和重放或是演奏功能进行选择。-Through the press ES598PCI single trigger G6 STAR of the 1 ~ 7 keys, use on veneer 8255A chips for the choice of 8253 tones and different frequency of chip control, to the output pulse on veneer, making it the buzzer D1 G6 corresponding to the 1 ~ 7 keys from low to high send 1-7, and the scale of 8255A chip control 8253 chips working condition, which can control the buzzer voice or not, so as to realize the function of simple keyboard playing. At the same time, also can be set through the music playback period, the simple keyboard function and user to play music played on a replay function. Users can pass on the menu under DOS interface and replay the replay keyboards or play function.