Finally solve it
Thanks for your suggestions.
I think I use the kill disk before tough, it ran all night or so and I ended with 32 Gb; the jumpers where not in size limit or cable select. I planned to use the killdisk again, but I first used the Hitachi feature tool software as I saw suggested somewhere else, it works with other HDD brands including Samsung , and it did the trick of restoring my drive size on the capacity size menu Maximum size, I had to run it twice tough because on the first try it resize it to 128 gb, the best of all in 1 minutes or so.
I highly recommend to read the manual before, some features in this software might do real damage to a HDD if adjusted erroneously