* Click on the device manager to check the port number

<div style="padding-left:200px;">[[文件:Orange-pi-i96-img77.png|400px]]</div>

<br>

'''5)Putty configuration'''

<br>

Serial port should set to the corresponding port number (COM5), the speed should set to 921600<br>

'''6)Start debug'''<br>

Power Orange Pi on and boot it, the serial port will automatic print out debug log.

<br>

=== '''Operations on Linux''' ===

* Install the Kermit by execute command:

　$ sudo apt-get install ckermit

<br>

* Configurate Kermit

　$ sudo vi /etc/kermit/kermrc

<br>

* Add lines：

set window 5

</div>

<br>

'''2)Connect method for debug'''

<br>

　Use the TTL to the serial port cable, one end connected to OrangePi, the other end connected to PC

<br>

'''3)Equipment information acquisition'''<br>

<br>

$ ls /dev/ (Input command in the PC terminal to check the device number of TTL to the serial cable)

<br>

* It can be seen from the figure that TTL to the serial port cable is identified as ttyUSB0, configure the /ect/kermit/kermitc file, update the serial port information.<br>

　$ sudo vi /etc/kermit/kermitc

* Set the value of setline into /dev/ttyUSB0

<br>

'''4)Start debug'''

* Input command in the host computer terminal, enter the Kermit mode:

　$ sudo kermit –c

<br>

* Power it on and boot Orange Pi, the serial port will automatic print debug log, the account and password ard root/orangepi and orangepi/orangepi

<br>