*BSD News Article 36846


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From: cliffs@lazlo.steam.com (Cliff Skolnick)
Newsgroups: comp.sys.ibm.pc.hardware.comm,comp.os.386bsd.questions,comp.os.386bsd.misc
Subject: Re: V.34 External Modems and Enhanced Serial I/O Cards
Followup-To: comp.sys.ibm.pc.hardware.comm,comp.os.386bsd.questions,comp.os.386bsd.misc
Date: 11 Oct 1994 10:44:39 GMT
Organization: Steam Tunnel Operations
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Message-ID: <37dqan$phq@kadath.zeitgeist.net>
References: <Pine.SUN.3.90.941005142836.12338C-100000@typhoon.cs.odu.edu> <Cx84GJ.5t3@bonkers.taronga.com>
NNTP-Posting-Host: lazlo.steam.com
X-Newsreader: TIN [version 1.2 PL2]

Peter da Silva (peter@bonkers.taronga.com) wrote:
: In article <Pine.SUN.3.90.941005142836.12338C-100000@typhoon.cs.odu.edu>,
: Mike Olson  <olson@cs.odu.edu> wrote:
: >What I am thinking about getting is an external USR Sportster or Courier
: >and a Hayes ESP Enhanced Serial I/O card. (Like a 16540 with a 1K buffer)
: >Will that even work under FreeBSD or am I better off getting a regular 
: >16540 I/O card or internal Modem.

: Get a 16550 card, not a 16540 card. The 16550 costs all of $13, and makes a
: big difference. Don't get the Hayes card... the 1k buffer won't be used (and
: IMHO isn't needed).

I'm running an ESP card on my BSDI machine with patches to enable the 1k
buffer.  I got rid of the spurious overruns while running my momde at
115,200.  It also seems to get me a little perfomarnce boost when using
the net with a heavy CPU load and bi-directional traffic.

Cliff

--
Cliff Skolnick    N1DPH   | Remember you are unique, just like everyone else.
cliffs@steam.com          |
PGP key via finger        | /earth is 98% full, please delete anyone you can.
Just say "NO" to clipper  |                                 --  Zippy?