Date: Sun, 18 Jul 1999 20:47:39 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: freebsd-current@FreeBSD.ORG Subject: Re: Question about MTRR boot message Message-ID: <199907190347.UAA82554@rah.star-gate.com> In-Reply-To: Your message of "Mon, 19 Jul 1999 05:25:32 %2B0200." <199907190325.FAA17479@dorifer.heim3.tu-clausthal.de>
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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
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