From owner-freebsd-amd64@FreeBSD.ORG Mon Jun 13 18:47:50 2005 Return-Path: X-Original-To: freebsd-amd64@freebsd.org Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C83C316A41C for ; Mon, 13 Jun 2005 18:47:50 +0000 (GMT) (envelope-from peter@wemm.org) Received: from daintree.corp.yahoo.com (daintree.corp.yahoo.com [216.145.52.172]) by mx1.FreeBSD.org (Postfix) with ESMTP id A52E843D1D for ; Mon, 13 Jun 2005 18:47:50 +0000 (GMT) (envelope-from peter@wemm.org) Received: by daintree.corp.yahoo.com (Postfix, from userid 2154) id 94EA1197AE; Mon, 13 Jun 2005 11:47:50 -0700 (PDT) From: Peter Wemm To: freebsd-amd64@freebsd.org Date: Mon, 13 Jun 2005 11:47:50 -0700 User-Agent: KMail/1.7.2 References: <200506131616.j5DGGDfr067534@lurza.secnetix.de> <200506132038.25975.josemi@redesjm.local> In-Reply-To: <200506132038.25975.josemi@redesjm.local> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200506131147.50300.peter@wemm.org> Cc: Subject: Re: Athlon64 board with ECC support? X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jun 2005 18:47:50 -0000 On Monday 13 June 2005 11:38 am, Jose M Rodriguez wrote: > El Lunes, 13 de Junio de 2005 18:16, Oliver Fromme escribi=F3: > > Hi, > > > > I'm currently evaluating possibilities to upgrade to a > > 64bit system (preferably AMD). I would like to get a > > single-processor Athlon64 system, no Opteron, because of > > heat, noise and power consumption (and price). > > > > Furthermore, I would like to have ECC RAM. However, it > > seems that this requirement is not easy to meet. > > > > So far, Google told me that the Athlon64 and the socket939 > > basically support ECC. However, it also requires support > > in the chipset and in the BIOS. I've looked at a few > > random socket939 board specs, and all of them allow the > > use of ECC memory, _but_ they don't support using it for > > actual error correction, i.e. they treat 72bit DIMMs like > > 64bit DIMMs and ignore the ECC part. This is not what I > > want, of course. > > > > Now my question is: Are there any Athlon64 (s939) boards > > that really support ECC RAM? Any recommendations? > > As far I know, only nvidia nforce4 have support for this. But this > may get you into problems with lan and disk (SATA). The system chipset has nothing to do with ECC support. Unlike on Intel=20 systems, memory is connected to the CPU, not the chipset. The chipset=20 (nforce vs via vs whatever) has no say in the matter. =2D-=20 Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5