Hi

on the S9 controller board, there is more than 3 socket please and I want to use them.

I soldered a new socket and connect the 4 hashboad but the firmware didn't detect it.
I tried many other custom firmware but all of them only support 3 hashboards.
Is there any config for this limit ??
here is the controller board picture: https://ibb.co/NFMNyqy

I mean like this: https://ibb.co/VCvMB5P