But it doesn't work
cmd with admin open but doesn't work
com3 its aktiv bit 9600
But the command doesn't work
Did you power the unit? Check the wire and terminals carefully RX, TX, and GND.
Keep repeating the procedure or better use other serial port software.
Also, get some ideas from these links below
- https://bitcointalksearch.org/topic/rescuing-a-bricked-t9-and-s9-control-board-howto-2386296
- https://bitcointalksearch.org/topic/new-antminer-s15-t15-overclock-firmware-update-with-video-5201015
- https://wiki.sipeed.com/soft/maixpy/en/get_started/env_serial_tools.html