| 摘要 |
A host device of dual power supply includes a chassis, a motherboard disposed in the chassis, at least one storage unit electrically coupled to the motherboard, two power supplies electrically coupled to the motherboard and the storage unit for supplying power to the motherboard and the storage unit, and a control unit electrically coupled to the motherboard, the storage unit and the power supply. When a boot signal is received by the control unit, one of the power supplies provides a voltage required by the storage unit at the moment of booting and during operations that follow, and the other power supply is driven to provide a voltage required by the motherboard at the moment of booting and during operations that follow.
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