| 摘要 |
A method and an apparatus for automatically controlling rotation speed of a cooling fan are provided. The method includes the following steps: Sampling temperature values of the electronic component at Time (n-1) and at Time (n). Then storing the temperature values at Time (n-1) and at Time (n). Then comparing the temperature vale at Time (n-1) with that at Time (n). And then setting the rotation speed of the cooling fan according to the comparison result in the last step. The present invention can not only automatically control the rotation speed of a cooling fan, but also reduce the noise of the cooling fan.
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