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VIA SOM-9X50-STK Yocto 3.1 EVK Quick Start Guide
3.
Hardware Functions
This section explains how to enable and test the hardware functions precompiled in the Yocto 3.1 EVK including
using the debug console.
3.1
Using the Debug Console
The first step is to connect the host machine and the VIA SOM-9X50-STK through the COM connector labeled
as "COM". Use a serial port communication program such as PuTTY or Tera Term to connect the debug console.
Set the console Baud Rate to "921600".
COM connector diagram
Next, power on the VIA SOM-9X50-STK to initiate the boot process.
When the boot process has completed, log in to the debug console. The default account is "username: root /
password: root".
3.2
Changing Kernel Debug Level
To disable kernel messages, modify the debug level using the following command:
root@aiv8385-linux:~# echo 3 > /proc/sys/kernel/printk
3.3
Checking BSP Version
To check the BSP version, use the following command:
root@aiv8385-linux:~# cat /proc/version