| CPC G06F 1/263 (2013.01) | 18 Claims |
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18. A method, comprising:
detecting that a power supply unit (“PSU”) is connected to a motherboard, the motherboard comprising a switch for controlling power supply to the motherboard from the PSU;
in response to detecting that the PSU is a single-rail PSU:
closing the switch in response to a power-on signal to provide main power from the PSU to the motherboard; and
opening the switch in response to a standby signal to cut main power from the PSU to the motherboard;
in response to detecting that the PSU is a dual-rail PSU, opening and bypassing the switch such that main power to the motherboard is controlled by the PSU via transmission of the power-on signal and the standby signal, and
in response to detecting the single-rail PSU and the dual-rail PSU connected to the motherboard concurrently, opening the switch such that main power to the motherboard is controlled by the dual-rail PSU to prevent simultaneous operation from both the single-rail PSU and the dual-rail PSU.
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