>Alle sabato 10 giugno 2017, hai scritto: > > At the end of the day, you NEED a "null modem" serial cable. with a tester I check my cable seems to be a null-modem I view this situation http://sacarde.altervista.org/np/serial2.jpg In addition to this, I have to use special parameters in minicom, like "init string" or "reset string" ? or set variables in setenv in Openboot ? thanks sacarde@tiscali.it