From owner-freebsd-questions@FreeBSD.ORG Tue Mar 4 04:16:58 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 3CBCC1065672 for ; Tue, 4 Mar 2008 04:16:58 +0000 (UTC) (envelope-from fbsd06+TW=175cc7b7@mlists.homeunix.com) Received: from turtle-out.mxes.net (turtle-out.mxes.net [216.86.168.191]) by mx1.freebsd.org (Postfix) with ESMTP id 223D68FC27 for ; Tue, 4 Mar 2008 04:16:57 +0000 (UTC) (envelope-from fbsd06+TW=175cc7b7@mlists.homeunix.com) Received: from mxout-04.mxes.net (mxout-04.mxes.net [216.86.168.179]) by turtle-in.mxes.net (Postfix) with ESMTP id 0F4A5163DE1 for ; Mon, 3 Mar 2008 22:44:21 -0500 (EST) Received: from gumby.homeunix.com. (unknown [87.81.140.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTP id B7300D05A6 for ; Mon, 3 Mar 2008 22:44:19 -0500 (EST) Date: Tue, 4 Mar 2008 03:44:16 +0000 From: RW To: freebsd-questions@freebsd.org Message-ID: <20080304034416.1ae48519@gumby.homeunix.com.> In-Reply-To: <18380.40222.870279.279849@jerusalem.litteratus.org> References: <47CC940B.5000400@123.com.sv> <47CC9BC0.1090408@datapipe.com> <18380.40222.870279.279849@jerusalem.litteratus.org> X-Mailer: Claws Mail 3.3.0 (GTK+ 2.12.8; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 04:16:58 -0000 On Mon, 3 Mar 2008 19:51:42 -0500 Robert Huff wrote: > > 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. And also bear in mind that amd64 uses memory less efficiently than i386