From owner-freebsd-hardware@FreeBSD.ORG  Tue May  6 10:25:26 2003
Return-Path: <owner-freebsd-hardware@FreeBSD.ORG>
Delivered-To: freebsd-hardware@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C60C737B404
	for <hardware@freebsd.org>; Tue,  6 May 2003 10:25:26 -0700 (PDT)
Received: from arthur.nitro.dk (port324.ds1-khk.adsl.cybercity.dk
	[212.242.113.79])
	by mx1.FreeBSD.org (Postfix) with ESMTP id D198543F85
	for <hardware@freebsd.org>; Tue,  6 May 2003 10:25:25 -0700 (PDT)
	(envelope-from simon@arthur.nitro.dk)
Received: by arthur.nitro.dk (Postfix, from userid 1000)
	id 5387410BF81; Tue,  6 May 2003 19:25:24 +0200 (CEST)
Date: Tue, 6 May 2003 19:25:24 +0200
From: "Simon L. Nielsen" <simon@nitro.dk>
To: "Jin Guojun [NCS]" <j_guojun@lbl.gov>
Message-ID: <20030506172523.GE428@nitro.dk>
References: <BADD2D59.2C6B6%joe@via.net> <3EB7EBB6.3038C32E@lbl.gov>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="5I6of5zJg18YgZEa"
Content-Disposition: inline
In-Reply-To: <3EB7EBB6.3038C32E@lbl.gov>
User-Agent: Mutt/1.5.4i
cc: joe mcguckin <joe@via.net>
cc: hardware@freebsd.org
Subject: Re: Intel GigE and copper PHY supported?
X-BeenThere: freebsd-hardware@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: General discussion of FreeBSD hardware
	<freebsd-hardware.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>,
	<mailto:freebsd-hardware-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hardware>
List-Post: <mailto:freebsd-hardware@freebsd.org>
List-Help: <mailto:freebsd-hardware-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>,
	<mailto:freebsd-hardware-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 06 May 2003 17:25:27 -0000


--5I6of5zJg18YgZEa
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2003.05.06 10:07:03 -0700, Jin Guojun [NCS] wrote:
> joe mcguckin wrote:
>=20
> > I'd like to use the TYAN Trinity GC-SL motherboard with on-board GigE
> > (copper). Does anyone know if this is supported? Has anyone used this b=
oard
> > with 4.X?
> >
> > Thanks,
>=20
> Do not have direct use of this motherboard. We have some similar M/Bs
> from SuperMicro (same chipset and same GigE NICs).
>=20
> General M/B performance is good. The GigE is not too pleasure.
> The Incoming TCP is about 350 Mb/s, and out going TCP is only 270,
> which is limited by interrupt (98% CPU -- 2.8 GHz -- used for interrupt).
> Either the driver or the Intel NIC is not functioning properly, but we do=
 not
> have time to investigate.

If this the chips a using the em(4) driver you can try turning on
interrupt coalation (or whatever Intel calls it). It can (AFAIR) only be
done by modifying sys/dev/em/if_em.h. Just note the warning about why it
was disabled.

--=20
Simon L. Nielsen

--5I6of5zJg18YgZEa
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.1 (FreeBSD)

iD8DBQE+t/AD8kocFXgPTRwRAkkMAJ0UH/nfGsN9HmUaRL5c/66y0OhsygCfTLit
6tdzwgPQ+tKY4Kmv8Ouav50=
=Vfzw
-----END PGP SIGNATURE-----

--5I6of5zJg18YgZEa--