Hardware Functions; Using The Debug Console; Changing Kernel Debug Level; Checking Bsp Version - VIA Technologies VAB-950 Quick Start Manual

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VIA VAB-950 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

3.1 Using the Debug Console

The first step is to connect the host machine and the VIA VAB-950 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 VAB-950 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".

To disable kernel messages, modify the debug level using the following command:

root@aiv8385-linux:~# echo 3 > /proc/sys/kernel/printk

To check the BSP version, use the following command:

root@aiv8385-linux:~# cat /proc/version

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