From owner-freebsd-amd64@FreeBSD.ORG Thu Aug 18 15:12:59 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 277BE16A41F for ; Thu, 18 Aug 2005 15:12:59 +0000 (GMT) (envelope-from vivek@khera.org) Received: from yertle.kcilink.com (yertle.kcilink.com [65.205.34.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id D0B3F43D46 for ; Thu, 18 Aug 2005 15:12:56 +0000 (GMT) (envelope-from vivek@khera.org) Received: from [192.168.7.150] (host-150.int.kcilink.com [192.168.7.150]) by yertle.kcilink.com (Postfix) with ESMTP id 3747CB816 for ; Thu, 18 Aug 2005 11:12:55 -0400 (EDT) Mime-Version: 1.0 (Apple Message framework v733) In-Reply-To: <43034B86.9080900@gneto.com> References: <20050815125657.A92343@cons.org> <20050815172250.GA32804@troutmask.apl.washington.edu> <20050815183846.A99145@cons.org> <430173BE.4080802@samsco.org> <20050816111428.A24284@cons.org> <43020F08.6070108@samsco.org> <43034B86.9080900@gneto.com> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <16572053-1E41-4156-8CA9-362832D1CD60@khera.org> Content-Transfer-Encoding: 7bit From: Vivek Khera Date: Thu, 18 Aug 2005 11:12:53 -0400 To: freebsd-amd64@freebsd.org X-Mailer: Apple Mail (2.733) Subject: Re: 4 GB RAM showing up as 3, BIOS memory hole and all that 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: Thu, 18 Aug 2005 15:12:59 -0000 On Aug 17, 2005, at 10:36 AM, Martin Nilsson wrote: > The E stepping Opteron can remap memory. The earlier versions can't. > How does one tell the stepping is E? My dmesg.boot says "Id = 0xf5a Stepping = 10" on my 246 CPUs. Vivek Khera, Ph.D. +1-301-869-4449 x806