NUCLEO H743ZI Unable to match requested speed 8000 kHz, using 4000 kHz.
Goto Run -> Run Configuration -> Select 'project name' Debug -> Debugger -> Under Configuration Script Click Show generator options -> General Option -> Connection Setup -> Set Frequency Less than 4000KHz.
Goto Run -> Debug Configuration -> Select 'project name' Debug -> Debugger -> Under Configuration Script Click Show generator options -> General Option -> Connection Setup -> Set Frequency Less than 4000KHz.
I hope this help.😀