From owner-freebsd-questions  Tue Jun 18 15:49:35 2002
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Date: Tue, 18 Jun 2002 18:49:22 -0400 (EDT)
From: djf2 <djf2@danu.ili.net>
To: Aaron Burke <aburke@nullplusone.com>
Cc: FreeBSD-Questions <freebsd-questions@FreeBSD.ORG>
Subject: RE: Serial console issues
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On Tue, 18 Jun 2002, Aaron Burke wrote:

> Then again it might be related to your hardware. I remember the days of
> the 486. I had some boards with onboard 8250 UARTS, some with
> 16450 UARTS, and Some with an external 16550 UART. The type of uart is
> going to be good info to know. If your using an 8250 then 9600 (I think)
> is the max you will get out of the port. If you have a 16450, you can
> get about 19200 (not 100% sure on this one) from the controller. And if
> your lucky enough to have a 16550 UART, then you can get speeds up to
> 230,400 bps. This is all going to depend on the serial controller.
> 
> You should be able to use "dmesg | grep sio" to determine what kind of
> hardware
> you are running.
> 

     I'm fairly certain it isn't the hardware, at least in my case.  I've
used several different machines that were at least relatively recent
hardware (at least past the point where they wouldn't have had a 16550
uart) and the serial console exhibited the same behavior each time.

--
"Is that sound you're hearing the trumpeting of St. Peter's angels
 or the screams of Memnoch's tortured souls?"
Don Flynn        djf2@ili.net                   Sayge@IRC 


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