*BSD News Article 44272


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From: tom@engc.bu.edu (Thomas P. Skinner)
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Re: Serial Port Recommendation
Date: 19 May 1995 15:34:45 GMT
Organization: Boston University
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I am running a 28.8 internal modem which has a 16550. I do get silo
overflows (doesn't appear to be a major problem though). I am running CSLIP
on a dedicated Internet connection.

I am using a US Robotics Sportster card.

Andrew H. Marrinson (ahm@sashimi.wwa.com) wrote:
: I am considering purchasing a 28.8 modem.  Currently I am using a 16550 
: UART with my 14.4 modem (talking to the modem at 38.4K) and getting 
: occassional silo overflows with ppp.  Since I'll probably want to run the 
: 28.8 modem at least 56K, I'm wondering what I can do to prevent silo 
: overflows.

: Should I change the FIFO trigger level of my 16550?  (I'm not clear on 
: whether you can do that.)  What serial card are people out there using 
: with high-speed modems?  Looking through the documentation on the various 
: supported cards (I'm running 2.0) I was disappointed to see that most of 
: them topped out at 38.4K.

: 		Andrew H. Marrinson
: 		(ahm@wwa.com)