Orange Pi R1 Plus - USB Interface Test; Connect USB Storage Device Test; Onboard LED Light Test Instructions

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3.6. USB interface test
3.6.1. Connect USB storage device test
1) First insert the U disk into the USB port of the Orange Pi development board
2) Execute the following command, if you can see the output of sdX, it means that the U
disk is successfully recognized
root@OpenWrt:~# cat /proc/partitions | grep "sd*"
major minor #blocks name
8 0 15126528 sda
3) Use the mount command to mount the U disk to /mnt, and then you can view the files
in the U disk
root@OpenWrt:~# mount /dev/sda /mnt/
root@OpenWrt:~# ls /mnt/
test.txt
4) After mounting, you can view the capacity usage and mount point of the U disk
through the df -h command
root@OpenWrt:~# df -h | grep "sd"
/dev/sda 14.4G 187.2M 14.2G 1% /mnt
3.7.
Onboard LED light test instructions
1) There are three LED lights on the development board, two yellow lights and one red
light. The default display of the LED lights when the system starts is as follows
Power status light (red
light)
The system starts, the red light is always on
Wan port status light
(yellow light)
Wan port is connected to the network cable, the yellow light
flashes, the Wan port is unplugged, the yellow light is off
Lan port status light
(yellow light)
Lan port is connected to the network cable, the yellow light
flashes, the Lan port is unplugged, the yellow light is off
2) The method of setting the red/yellow light on and off and flashing is as follows (the