Well, still having no luck with my board. I get this message:

Connecting to programmer: .
Found programmer: Id = "¤ ""; type = ☺
Software Version = . ; Hardware Version = .
avrdude.exe: error: buffered memory access not supported. Maybe it isn't
a butterfly/AVR109 but a AVR910 device?
Presione una tecla para continuar . . .

Any idea?