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→Onboard LED Light Test Instructions
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::[[File:pi3b-img175.png]]
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<li><p>'''<span style="color:#FF0000">As long as the development board is powered on, the red LED light will always be on, which is controlled by the hardware and cannot be turned off by the software</span>'''</p></li>
<li><p>The green LED light will keep blinking after the kernel is started, which is controlled by software.</p></li>
<li><p>The PCIe indicator will flash when there is data transmission on the PCIe interface.</p></li>
<li><p>The method of setting the green light on and off and flashing is as follows</p>{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| </libig></ol> '''Note that the following operations should be performed under the root user.'''</big>|}
<ol style="list-style-type: lower-alpha;">
<li>First enter the setting directory of the green light</li></ol>{| class="wikitable" style="width:800px;" |-|
root@orangepi:~# '''cd /sys/class/leds/status'''
|}</ol>
<ol start="2" style="list-style-type: lower-alpha;">
<li>The command to set the green light to stop flashing is as follows</li></ol>{| class="wikitable" style="width:800px;" |-|
root@orangepi:/sys/class/leds/work# '''echo none > trigger'''
|}</ol>
<ol start="3" style="list-style-type: lower-alpha;">
<li>The command to set the green light to be on is as follows</li></ol>{| class="wikitable" style="width:800px;" |-|
root@orangepi:/sys/class/leds/work# '''echo default-on > trigger'''
|}</ol>
<ol start="4" style="list-style-type: lower-alpha;">
<li>The command to set the green light to flash is as follows</li></ol>{| class="wikitable" style="width:800px;" |-|
root@orangepi:/sys/class/leds/work# '''echo heartbeat > trigger'''
|}
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</li></ol>
<span id="network-connection-test"></span>
== Network connection test ==