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From: Doug Ambrisko <ambrisko@ambrisko.com>
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To: Russell Cattelan <cattelan@xfs.org>
Date: Wed, 30 Jul 2003 14:58:44 -0700 (PDT)
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cc: freebsd-hackers@freebsd.org
Subject: Re: Console serial speed
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Russell Cattelan writes:
| How does one set the serial speed of the console.
| I changed the boot loader speed to 57600 in make.conf
| but the kernel seems to chose random speeds each time 
| it's booted.
| Sometimes it's 9600 sometimes it 115200 other times 
| it's 38400.
| 
| Note this is on 5.x current

You might want to check sys/isa/sio.c in function siocngetspeed.
I comment out the "return (rclk / (16UL * divisor));" on some of my
stable boxes.  I've seen a few motherboards that result in a messed
up console if I don't do it (ie. wrong speed).

Doug A.