From owner-freebsd-amd64@FreeBSD.ORG Tue Mar 1 11:05:46 2005 Return-Path: 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 C731116A4CE for ; Tue, 1 Mar 2005 11:05:46 +0000 (GMT) Received: from mailout03.sul.t-online.com (mailout03.sul.t-online.com [194.25.134.81]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4E59343D1F for ; Tue, 1 Mar 2005 11:05:46 +0000 (GMT) (envelope-from mike@reifenberger.com) Received: from fwd17.aul.t-online.de by mailout03.sul.t-online.com with smtp id 1D65CD-0001IF-00; Tue, 01 Mar 2005 12:05:45 +0100 Received: from fw.reifenberger.com (EAvC0+ZpQeLiFxttwn7xfhSo0fiTEquhYArbnm+yDA9iZVFqfV+XUF@[217.232.251.20]) by fwd17.sul.t-online.de with esmtp id 1D65Bw-0sCpkG0; Tue, 1 Mar 2005 12:05:28 +0100 Received: from localhost (mike@localhost)j21B5Rq0017582 for ; Tue, 1 Mar 2005 12:05:27 +0100 (CET) (envelope-from mike@reifenberger.com) X-Authentication-Warning: fw.reifenberger.com: mike owned process doing -bs Date: Tue, 1 Mar 2005 12:05:27 +0100 (CET) From: Michael Reifenberger To: freebsd-amd64@freebsd.org Message-ID: <20050301115009.X17256@fw.reifenberger.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-ID: EAvC0+ZpQeLiFxttwn7xfhSo0fiTEquhYArbnm+yDA9iZVFqfV+XUF@t-dialin.net X-TOI-MSGID: d26d9c6c-3b34-407e-8049-11e5067da885 Subject: Memory question X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Mar 2005 11:05:46 -0000 Hi, currently I'm using a ASUS A8V-Deluxe MB with 4x512MB DDR400 Samsung mem. After some weeks of working without problems I got some interesting memory corruption (md5 printing different values on repeated runs...) when using dual-channel access. After reverting the dual-channel access, all is stable again (for now). (The system is cooled properly and not overloaded BTW) - Has anyone else seen this? - Is anyone using A8V with ECC mem? - Any recommendation about mem brand? - When using 4x1GB mem, what is the amount of usable mem? Thanks in advance! Bye/2 --- Michael Reifenberger, Business Development Manager SAP-Basis, Plaut Consulting Comp: Michael.Reifenberger@plaut.de | Priv: Michael@Reifenberger.com http://www.plaut.de | http://www.Reifenberger.com