| 摘要 |
A method for controlling heat dissipation of an electronic device, such as a central processing unit, by controlling rotational speed of a fan and supplying a clock signal with slower clock frequency to the electronic device is disclosed. The fan rotates at a speed in proportion to the temperature of the electronic device when the temperature of the electronic device is below a maximum reference temperature. The fan rotates at a maximum rotational speed when the temperature of the electronic device is beyond the maximum reference temperature. The fan rotates at a maximum rotational speed and a clock signal with slower clock frequency is supplied to the electronic device when the temperature of the electronic device is beyond both the maximum reference temperature and a slowing-clock starting reference temperature, until the temperature of the electronic device drops below a slowing-clock ending reference temperature.
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