From owner-freebsd-hardware@FreeBSD.ORG Fri Jul 1 18:17:11 2005 Return-Path: X-Original-To: freebsd-hardware@freebsd.org Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A85E416A41F; Fri, 1 Jul 2005 18:17:11 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3E5EA43D5F; Fri, 1 Jul 2005 18:17:10 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.254.14] (imini.samsco.home [192.168.254.14]) (authenticated bits=0) by pooker.samsco.org (8.13.3/8.13.3) with ESMTP id j61IORBi087945; Fri, 1 Jul 2005 12:24:28 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <42C587EC.7030203@samsco.org> Date: Fri, 01 Jul 2005 12:14:04 -0600 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.7) Gecko/20050416 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Brooks Davis References: <200506290818.j5T8IELL002348@peedub.jennejohn.org> <42C3F72E.9070902@speakeasy.net> <8f55402905063018441217c95a@mail.gmail.com> <20050701015457.GC4460@dragon.NUXI.org> <42C5220B.1000203@crossflight.co.uk> <1d6d20bc050701065367a01e8b@mail.gmail.com> <20050701172139.GA25916@odin.ac.hmc.edu> In-Reply-To: <20050701172139.GA25916@odin.ac.hmc.edu> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.8 required=3.8 tests=ALL_TRUSTED autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on pooker.samsco.org Cc: freebsd-amd64@freebsd.org, Jia-Shiun Li , freebsd-hardware@freebsd.org Subject: Re: AMD64 X2 X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jul 2005 18:17:11 -0000 Brooks Davis wrote: > On Fri, Jul 01, 2005 at 09:53:27PM +0800, Jia-Shiun Li wrote: > >>On 7/1/05, Guy Dawson wrote: >> >>>David O'Brien wrote: >>> >>>>It really should be that simple. All the external interfaces and pins >>>>are the same for Athlon64-939 and Athlon64 X2. They have the same >>>>thermal specifications, etc... >>> >>>It's the only way AMD could reasonably do it. To require a different >>>motherboard for X1 (?) and X2 chips would have the mobo makers rioting! >> >>That's what Intel did. Requiring a new i945/i955-based board for their >>rushed dual-core CPUs. Only use the same socket but varied pin >>definition. If you put the new CPU on an i915 board, it will shutdown >>automatically to 'protect'. In contrast Athlon64 claimed to be >>designed with dual-core capability in mind from the beginning. > > > It is worth noting that some motherboard manufactures did produce boards > that don't work with dual core opterons. In particular the Tyan K8SR > prior to rev-D doesn't work because they proview a couple too few watts > to the CPU sockets. > > -- Brooks > The Asus A8V-E series also does not work. Asus claims that it's a limitation of the Via K8T890 chipset, which is highly unfortunate since it's otherwise a good motherboard. Not sure whether to be upset at Asus or Via here, but either way I guess both suck =-) Scott