From owner-freebsd-questions@FreeBSD.ORG Wed Dec 24 05:45:36 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5D6FF16A4CE for ; Wed, 24 Dec 2003 05:45:36 -0800 (PST) Received: from rwcrmhc11.comcast.net (rwcrmhc11.comcast.net [204.127.198.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 65B1243D31 for ; Wed, 24 Dec 2003 05:45:33 -0800 (PST) (envelope-from fbsd-questions@trini0.org) Received: from hivemind.trini0.org (trini0.org[68.39.114.118]) by comcast.net (rwcrmhc11) with ESMTP id <20031224134532013006q8d2e>; Wed, 24 Dec 2003 13:45:33 +0000 Received: from gladiator.trini0.org (gladiator.trini0.org [192.168.0.3]) by hivemind.trini0.org (Postfix) with ESMTP id 5C2F59E; Wed, 24 Dec 2003 08:45:32 -0500 (EST) From: Gerard Samuel To: Dan Nelson Date: Wed, 24 Dec 2003 08:45:31 -0500 User-Agent: KMail/1.5.4 References: <200312240034.29237.fbsd-questions@trini0.org> <20031224073914.GD2890@dan.emsphone.com> In-Reply-To: <20031224073914.GD2890@dan.emsphone.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200312240845.32120.fbsd-questions@trini0.org> cc: questions@freebsd.org Subject: Re: Running dual CPUs X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Dec 2003 13:45:36 -0000 On Wednesday 24 December 2003 02:39 am, Dan Nelson wrote: > In the last episode (Dec 24), Gerard Samuel said: > > I acquired a pair of Slot 1 CPUs that is supposedly a matched pair. > > I've heard, that they must be of the same stepping, and Im not sure > > of what Im looking for. CPU specs are at -> > > http://processorfinder.intel.com/scripts/ > > details.asp?sSpec=SL3XL&ProcFam=25&PkgType=ALL&SysBusSpd=ALL&CorSpd=5775 > > Just trying to be careful before I fry the thing, so any pointers are > > welcome. Thanks > > Most of the time, stepping doesn't matter. You can look at Intel's > processor errata pages to see exactly what got fixed in each stepping, > and determine whether the bugs would interfere with SMP or not. I've > run dual-CPU systems with different steppings with no problems. I > haven't heard of anyone damaging their CPUs or motherboard with > mismatched CPUs. The most I can tell from the CPUs are the serial numbers stamped on the top side, that they were created in sequence, one ends with 0105 and the other 0106. So I guess Ill give it a shot and keep my fingers crossed. Enjoy your holidays. Thanks