Tiny4412: Serial Port not working

Peter Russel
Dear all,

I try to print debug information from the boot process. Therefore, I
connected a serial-to-usb connector with 3 1-pin cables to the white CON2
connector on tiny4412. However, using PuTTy I dont receive anything while
booting the stock linux version.

Here is a picture of my setup:

http://fs2.directupload.net/images/150423/9zwagv24.jpg

What am I doing wrong?

I know that the converter works as I used it to print information via UART
for other hardware.