From owner-freebsd-smp Sun Sep 15 1:44:57 2002 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D177E37B400 for ; Sun, 15 Sep 2002 01:44:56 -0700 (PDT) Received: from absinthe.carnagecopia.com (absinthe.carnagecopia.com [216.187.87.246]) by mx1.FreeBSD.org (Postfix) with SMTP id 37C0B43E42 for ; Sun, 15 Sep 2002 01:44:56 -0700 (PDT) (envelope-from random@goblinstudios.com) Received: (qmail 94500 invoked by uid 85); 15 Sep 2002 08:44:51 -0000 Received: from random@goblinstudios.com by absinthe.carnagecopia.com with qmail-scanner-1.03 (uvscan: v4.0.50/v4222. . Clean. Processed in 0.146396 secs); 15 Sep 2002 08:44:51 -0000 Received: from firewall-vancouver.goblinstudios.com (HELO workstation-22.internal.carnagecopia.com) (204.244.192.2) by absinthe.carnagecopia.com with SMTP; 15 Sep 2002 08:44:50 -0000 Date: Sun, 15 Sep 2002 04:45:11 -0400 From: Vincent Janelle To: freebsd-smp@FreeBSD.ORG Subject: Re: AMD760MPX and FreeBSD SMP? Message-Id: <20020915044511.5c90026e.random@goblinstudios.com> In-Reply-To: <20020914112120.GA775@unixpages.org> References: <442159807.20020904152900@FromRU.com> <00f701c254ea$0f930910$3401830a@Buildt.com> <20020914112120.GA775@unixpages.org> Organization: http://www.goblinstudios.com/ X-Mailer: Sylpheed version 0.8.1 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org You don't want to run the XP chips due to the smaller L1 caches I believe. It used to be because the MP chips had the hardware prefetch though. On Sat, 14 Sep 2002 13:21:20 +0200 Christian Brueffer wrote: > On Mon, Sep 09, 2002 at 02:23:54AM +0900, Hiroharu Tamaru wrote: > > > > At Thu, 5 Sep 2002 08:39:37 -0600, > > Peter Lenhart wrote: > > > > > > I don't know which way he meant it, but the older XP's (1600's) ran just > > > fine dual in the tiger tyan board we have. I tried the newer ones (2000's) > > > but the board won't even post. I am guessing AMD has disabled this ability > > > in later processors. > > > > > > Of course you would normally want to run the MP's for a number of reasons. > > > > This is not a direct information at all, but what I heard is that it > > is true only for the very first few lots of XP's of 1500+ - 1800+ > > range. It could also had been just for the first engineering sample > > lots. Just FYI. > > -- > > Hiroharu Tamaru > > > > At least the XP 1800+ work fine in dual mode. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message