codes and numbers on the ecu's

Hello all, I have a question to ask, today I would like to start doing some experiments with galletto, I have a unit in a stilo 1.9 jtd 115 cv , on the ecu there are numbers, what do they correspond? If you want,I could post the photos of the ecu. .....

hardware code and I think code replacement

e-mail the photos! surely there is a number of software and hardware