From owner-freebsd-current Sun Jul 18 20:48:46 1999 Delivered-To: freebsd-current@freebsd.org Received: from rah.star-gate.com (216-200-29-190.snj0.flashcom.net [216.200.29.194]) by hub.freebsd.org (Postfix) with ESMTP id 6D99F1506E for ; Sun, 18 Jul 1999 20:48:42 -0700 (PDT) (envelope-from hasty@rah.star-gate.com) Received: from rah.star-gate.com (localhost.star-gate.com [127.0.0.1]) by rah.star-gate.com (8.9.3/8.8.8) with ESMTP id UAA82554 for ; Sun, 18 Jul 1999 20:47:39 -0700 (PDT) (envelope-from hasty@rah.star-gate.com) Message-Id: <199907190347.UAA82554@rah.star-gate.com> X-Mailer: exmh version 2.0.2 2/24/98 To: freebsd-current@FreeBSD.ORG Subject: Re: Question about MTRR boot message In-reply-to: Your message of "Mon, 19 Jul 1999 05:25:32 +0200." <199907190325.FAA17479@dorifer.heim3.tu-clausthal.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Date: Sun, 18 Jul 1999 20:47:39 -0700 From: Amancio Hasty Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Is a nice feature if you happen to have a fast video card . It speed up w= rites = by four times. = Long time ago, tests writing to my Matrox millenium would yield about 20M= B/sec. With MTTR enabled -- wrote a litte hack over here to do it -- the same test generated about 80MB/sec create for dumping raw video to my = Matrox Millenium. The MTTR stuff is an old hack which some motherboards enabled it automatically for you. = So to answer your question , the MTTR stuff is supposed to disabled cachi= ng to your VGA card. Cheers = > Hi, > = > There's the following message in my dmesg: > = > "Pentium Pro MTRR support enabled, default memory type is uncacheabl= e" > = > I seriously hope that it does not mean that my memory > is not chached... does it? I haven't found any manual > pages or other docs about it. > = > (If it matters: I cvsupped and built a -current world > yesterday. It's an SMP box (dual Celeron), which seems > to run fine so far.) > = > Regards > Oliver > = > -- = > Oliver Fromme, Leibnizstr. 18/61, 38678 Clausthal, Germany > (Info: finger userinfo:olli@dorifer.heim3.tu-clausthal.de) > = > "In jedem St=FCck Kohle wartet ein Diamant auf seine Geburt" > (Terry Pratchett) > = > = > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message -- = Amancio Hasty hasty@rah.star-gate.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message