From owner-freebsd-questions@FreeBSD.ORG Tue Mar 4 00:50:13 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 246151065676 for ; Tue, 4 Mar 2008 00:50:13 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from smtp02.lnh.mail.rcn.net (smtp02.lnh.mail.rcn.net [207.172.157.102]) by mx1.freebsd.org (Postfix) with ESMTP id DE5248FC12 for ; Tue, 4 Mar 2008 00:50:12 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from mr08.lnh.mail.rcn.net ([207.172.157.28]) by smtp02.lnh.mail.rcn.net with ESMTP; 03 Mar 2008 19:50:11 -0500 Received: from smtp01.lnh.mail.rcn.net (smtp01.lnh.mail.rcn.net [207.172.4.11]) by mr08.lnh.mail.rcn.net (MOS 3.8.6-GA) with ESMTP id JTI19036; Mon, 3 Mar 2008 19:50:11 -0500 (EST) Received: from 209-6-22-188.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com (HELO jerusalem.litteratus.org.litteratus.org) ([209.6.22.188]) by smtp01.lnh.mail.rcn.net with ESMTP; 03 Mar 2008 19:49:11 -0500 From: Robert Huff MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18380.40222.870279.279849@jerusalem.litteratus.org> Date: Mon, 3 Mar 2008 19:51:42 -0500 To: "Paul A. Procacci" In-Reply-To: <47CC9BC0.1090408@datapipe.com> References: <47CC940B.5000400@123.com.sv> <47CC9BC0.1090408@datapipe.com> X-Mailer: VM 7.17 under 21.5 (beta28) "fuki" XEmacs Lucid X-Junkmail-Whitelist: YES (by domain whitelist at mr08.lnh.mail.rcn.net) Cc: Cesar Amaya , freebsd-questions@freebsd.org Subject: Re: RAM not recognized X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Mar 2008 00:50:13 -0000 Paul A. Procacci writes: > > AMD Features=0x20100000 > > AMD Features2=0x1 > > Cores per package: 4 > > real memory = 3484745728 (3323 MB) > > avail memory = 3405631488 (3247 MB) > This is not a problem of FreeBSD but of i386/x86 architecture > which max memory limit is 4GB i theory and 3-3.5GB in practice, > you can use PAE to use 36bit addressing (instead of default > 32bit) for memory to get full 4GB on i386 but you will not be > able to have loadable kernel modules for example, other sollution > for this is using amd64/64bit FreeBSD, where you will have full > 4GB and even more without any problems. ... and not be able to run some ports; some won't run in native 64 bit mode, some won't run at all. Robert Huff