Changes
</pre>
* COM1 is accessible as device node /dev/ttyUSB0
* COM3 is accessible as device node /dev/ttyS6 starting from BIOS version [[Airtop3 BIOS files | ATOP3.PRD.0.30.3 ]] and with kernel boot option "acpi_osi=Linux"
<pre>
# NOTE: to add kernel boot option "acpi_osi=Linux" please do:
$ sudo update-grub2
</pre>
[[category: Airtop3]]
[[category: application notes]]
[[category: software]]
