From owner-freebsd-stable Wed Mar 8 19:44:21 2000 Delivered-To: freebsd-stable@freebsd.org Received: from evil.2y.net (port-7-222.adsl.one.net [216.23.15.222]) by hub.freebsd.org (Postfix) with ESMTP id 95FE837BC6C; Wed, 8 Mar 2000 19:44:13 -0800 (PST) (envelope-from cokane@evil.2y.net) Received: (from cokane@localhost) by evil.2y.net (8.9.3/8.9.3) id WAA37460; Wed, 8 Mar 2000 22:48:36 -0500 (EST) (envelope-from cokane) Date: Wed, 8 Mar 2000 22:48:36 -0500 From: Coleman Kane To: Mike Smith Cc: Coleman Kane , Roman Shterenzon , green@freebsd.org, stable@freebsd.org Subject: Re: K6-MTRRs Message-ID: <20000308224836.A37351@evil.2y.net> References: <20000308123838.C20193@evil.2y.net> <200003081800.KAA03550@mass.cdrom.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="HcAYCG3uE/tztfnV" X-Mailer: Mutt 1.0.1i In-Reply-To: <200003081800.KAA03550@mass.cdrom.com>; from msmith@freebsd.org on Wed, Mar 08, 2000 at 01:02:08PM -0500 X-Vim: vim:tw=70:ts=4:sw=4 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --HcAYCG3uE/tztfnV Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mike Smith had the audacity to say: > > That's the impression I was under. I have gotten no information from AM= D to say > > that the MTRRs on their K6-2 line don't work. The only things I know of= is that > > the first-gen chips didn't have them, and the code checks for that. Are= you sure > > that it isn't some interpretation problem with the tech docs?=20 >=20 > If the original K6's don't have memory range registers, how could we have= =20 > tested them and discovered they didn't work? =20 >=20 > At any rate, you're encouraged to talk to the author/maintainer of the=20 > code, Brian Feldman (copied). If you can make it work, wonderful. >=20 Maybe that's it, the original K6 had them but they were "disabled" or at le= ast ignored. I believe that the new K6-2 cores with CXT core have working MTRRs because I remember that being a big thing as well as the cache pipelining. Maybe I should get in touch with AMD on the matter as well. --cokane --HcAYCG3uE/tztfnV Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.0 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE4xx8TERViMObJ880RAc/IAKDE+DF72Xg2oNX5Yy8jKum4s5b6xACdELbL 1rqjcUcjA+1Z4UchhW5vL7w= =Z3FN -----END PGP SIGNATURE----- --HcAYCG3uE/tztfnV-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message