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二、开机、关机和重启

2.1 开机​

  1. 在提供开发板时，一般会同时提供一个制作好的 Micro SD 卡，该卡可以启动开发板。插入准备的 USB 转串口线，以太网线，Micro SD 卡，最后插入 12V 电源:

  2. 此时上电成功，电源指示灯和系统指示灯都亮起:

2.2 关机​

开发板正常工作时，输入 shutdown 命令后，系统将按预设时序自动关机：

root@taco-dk:~# shutdown
Shutdown scheduled for Sat 2024-04-20 03:35:48 CST, use 'shutdown -c' to cancel.
root@taco-dk:~#
root@taco-dk:~#
root@taco-dk:~#
         Stopping session-1.scope - Session 1 of User root...
[  OK  ] Removed slice system-modprobe.slice - Slice /system/modprobe.
......
[  OK  ] Finished systemd-poweroff.service - System Power Off.
[  OK  ] Reached target poweroff.target - System Power Off.
[ 2811.790456] vipcore, destroy device start...
[ 2811.794956] resource: Trying to free nonexistent resource <0x00000001c0000000-0x000000043fffffff>
[ 2811.804764] vipcore, destroy device end...
[ 2811.810587] ES8388 2-0011: es8388 not initialized, skipping shutdown
[ 2811.818183] reboot: Power down

2.3 重启​

开发板正常工作时，按下复位键即可重新启动。