Serial console for APU board from PCengines 
The board uses per default Connect serial port to a PC through null modem cable (RXD / TXD crossed over). Set terminal
emulator to 115200 8N1 ( 
http://www.pcengines.ch/pdf/apu1.pdf )
To get a login prompt in FreeBSD
 
-  add console="comconsole"to the file/boot/loader.conf
echo 'console="comconsole"' >> /boot/loader.conf
  
ttyu0   "/usr/libexec/getty std.9600"   dialup  off secure
to
ttyu0   "/usr/libexec/getty std.115200" vt100   on  secure