For 6 beeps try reseating the keyboardcontroller chip.
6嘟试试重新安装键盘控制器芯片。
2
For instance, an emulated computer will act as though it has its own keyboardcontroller and video card.
例如，被模拟的计算机可能拥有自己的键盘控制器和视频卡。
3
Received signal from unit for switching input modes, the keyboardcontroller selects and processes information input from the keyboard push button keys or from the touch units.