| 摘要 |
There is provided a cooling fan drive circuit for driving a pair of cooling fans. The circuit comprises a first power supply line for providing a power connection to each of the fans from a first power source. The circuit further comprises a second power supply line for providing a power connection to the first fan; and a third power supply line for providing a power connection to the second fan. The second and third power supply lines are arranged, in use, to provide separate connections between the respective fans and a power source other than the first power source.
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