6嘟试试重新安装键盘控制器芯片。

For 6 beeps try reseating the keyboard controller chip.

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本文主要对某专用协议控制器芯片的测试验证系统进行了设计与研究。

In this paper, a test system is designed and researched mainly which is used to test the application specific protocol controller.

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本课题是对无工频变压器开关电源控制器芯片模块电路的设计与研究。

My project is focused on the design and research of PWM switching power supply control circuitry that requires high efficiency and reliability.

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