you have to be on "Fixed-freq" firmware
2020-05-23 16:15:52 driver-btm-soc.c:3368:[b]init_freq_mode: This is fix-freq version[/b]
That is a good observation, do the frequency and voltage settings appear by default on the fixed-frequency firmware or you have to unlock them using the same method?
Would be nice to get a list of all 17 series mining gears that have a fixed-frequency firmware available by bitmain, also where to find them because they don't seem to be available on bitmain's website.