Consle port on os6850 doesnt work

[aviviis]

Hi
When i connect to console port at 9600 and doing reboot , i see all the logs at the console when the os6850 comming up , at the final i see the user prompt but when i try to type something it doesnt react !
Thanks

[devnull]

Maybe wrong setting of XON/XOFF/Flow Control?
Use 9600/8/N/1 ?

[aviviis]

Yes .
After i reboot the switch i see all the log
At the laptop , until i am getting the user:
I type at my laptop and i cant see it at the screen.
I take another 6850 and its work fine .