Re: Duplicate console output to a RS232C and keep keyb where it is

Richard B. Johnson
2001-08-03T14:50:27Z

On Fri, 3 Aug 2001, Frank Torres wrote:
>
> Richard:
> I must tell you I am the one who sets the speed, IRQ and the rest of the
> parameters of the serial port in an /etc/rc.serial built by me only with the
> settings I need. The original rc.serial was producing some error when
> executed by rc.sysinit (kern. 2.4.2-2)
> I have to configure ttyS2 with both, setserial and stty, 'cause of the
> parity and the stop bit, etc.
> I tested the following configurations:
> 8, no parity, stop b.
> 8, no parity, no stop b.
> 7, parity on, parity odd, stop b.
> 7, no parity, no stop b.
> All showed wrong or no characters in the display. It only worked with 8,
> parity on, parity odd, stop b. (also with no stop b.)
> The Linux is installed in a Beetle/M POS.
> Perhaps it can't be done? I mean to obtain the video through the serial port
> without modifying the normal keyb entry?
> Thanx
>

This works fine here (in /etc/lilo.conf):

append = "console=ttyS1,9600" # RS-232C output
append = "console=null" # (no log output)

Cheers,
Dick Johnson

Penguin : Linux version 2.4.1 on an i686 machine (799.53 BogoMips).

I was going to compile a list of innovations that could be
attributed to Microsoft. Once I realized that Ctrl-Alt-Del
was handled in the BIOS, I found that there aren't any.