hy, appriciate for help.
You right the s7 have a burn out board, and the cable comunication burn. go to hell.
The s9 i make this :
ip report hard reset - after reboot the virus is there, no control to the configuration.
The miner is now orking only whiht sd-card in , and the jumper moved. If is remove the sd-card and put the jumper for normal ---the miner is stolen. (is the same firrmare instaled and the name is changed.
In one mine is have a bord whiht no SC card reder , i tried to chang the controler and is work but my controler it was c4 and now is xiling

thansk for help
i see on youtube russian tipe wiht a greet ideea , but not anderstend all the movie (i translate only writhing not sound )
 https://www.youtube.com/watch?v=BBeCFV4jejA&list=LLoFV9ggDefWSC1GBVC8K1Pg