sorry for noob question

i have some Antminer s17 / s17 pro miners
with unlocked ssh , so i can ssh into them

is there anyway i can use them in fixed-freq mode ? (for over/under clock and ...)

for example :
is it possible to build s9 bmminer source code , for S17 ?
or should i think about reverse-engineering the bmminer or cgminer binary ?
or should i forget about it ?

in the kernel.log it says:


so it's auto/scan freq firmware
i tried to change cgminer.conf and tried these but still the miner is running in auto freq mode