Orange Pi R1 Plus - View the Serial Number of the RK3328 Chip; Method to Restart the System

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5) Then restart the development board, you can see that the kernel console outputs to
ttyS1 by default. Note that the output log of u-boot is still output to ttyS2, not ttyS1
5.20. View the serial number of the RK3328 chip
1) The command to view the serial number of the RK3328 chip is as follows, the serial
number of each chip is different, so you can use the serial number to distinguish multiple
development boards
root@orangepir1plus:~# cat /sys/devices/platform/board/info
Hardware : ORANGEPI-R1PLUS
Revision : 0002
Serial : 9b25e2e5a704467c
Model : OrangePi R1PLUS
Manufacturer : Shenzhen Xunlong Software CO.,Limited
5.21. Method to restart the system
1) Restart using the reboot command
root@orangepir1plus:~# reboot
2) Use the poweroff command to shut down. If you need to start up, you need to re-plug
the power supply