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From: "John S. Dyson" <toor@dyson.iquest.net>
Message-Id: <199801120332.WAA04179@dyson.iquest.net>
Subject: Re: 16650 Support(?)
In-Reply-To: <19980111211519.11470@scsn.net> from "Donald J. Maddox" at "Jan 11, 98 09:15:19 pm"
To: dmaddox@scsn.net
Date: Sun, 11 Jan 1998 22:32:14 -0500 (EST)
Cc: dyson@FreeBSD.ORG, jak@cetlink.net, hackers@FreeBSD.ORG
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Donald J. Maddox said:
> 
> Ok, how does one increase the buffer space?
> 
Try the modifications noted in the included info.  I
no longer get any kind of sio messages.


-- 
John                  | Never try to teach a pig to sing,
dyson@freebsd.org     | it just makes you look stupid,
jdyson@nc.com         | and it irritates the pig.



Index: sio.c
===================================================================
RCS file: /local/home/ncvs/src/sys/i386/isa/sio.c,v
retrieving revision 1.194
diff -r1.194 sio.c
117a118
> /*
119a121,123
> */
> #define RB_I_HIGH_WATER (TTYHOG / 2)
> #define RS_IBUFSIZE (TTYHOG / 4)


Add this to your system conf:

options		"MSIZE=256"
options		"TTYHOG=4096"