The N2520 N2560 N4520 N4560 doesn’t link X86 PC have BIOS to manage the power status after power break, but the MB have a jumper at location J16 to configure as default or always on:
J16 Pin 1-2 -> Button on (default).
J16 Pin 2-3 -> Always on
 
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如何確認 N2520 N2560 N4520 N4560 電源狀態 (OS6) (電源保持啟動)

N2520 N2560 N4520 N4560 不像 X86 PC 可以進 BIOS 設定斷電後的電源狀態, 但主板J16有jumper可以設定:
J16 Pin 1-2 -> 按鍵啟動 (預設).
J16 Pin 2-3 -> 一直啟動 

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如何确认 N2520 N2560 N4520 N4560 电源状态 (OS6) (电源保持启动)

N2520 N2560 N4520 N4560 不像 X86 PC 可以进 BIOS 设定断电后的电源状态, 但主板J16有jumper可以设定:
J16 Pin 1-2 -> 按键启动 (预设).
J16 Pin 2-3 -> 一直启动