Seems that is inaccurate. Also seems the ONLY software compatible with HW3 is 7.1 and 16.3 and nothing in-between/16.2 is HW2.5. If you are on 12.x then you likely have HW2.5.
HW2.5 even after April 12th build date
HW2.5 even after April 12th build date
I had 12.1.2 on HW3.