Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756096AbXGADy4 (ORCPT ); Sat, 30 Jun 2007 23:54:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755266AbXGADys (ORCPT ); Sat, 30 Jun 2007 23:54:48 -0400 Received: from cavan.codon.org.uk ([217.147.92.49]:43219 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755250AbXGADyr (ORCPT ); Sat, 30 Jun 2007 23:54:47 -0400 Date: Sun, 1 Jul 2007 04:54:31 +0100 From: Matthew Garrett To: Frank Fiene Cc: Robert Hancock , linux-kernel@vger.kernel.org, tytso@thunk.org Message-ID: <20070701035430.GA27489@srcf.ucam.org> References: <46859340.7020206@shaw.ca> <200706301946.46918.ffiene@veka.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200706301946.46918.ffiene@veka.com> User-Agent: Mutt/1.5.12-2006-07-14 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@codon.org.uk Subject: Re: Kernel doesn't recognize complete memory X-SA-Exim-Version: 4.2.1 (built Tue, 20 Jun 2006 01:35:45 +0000) X-SA-Exim-Scanned: Yes (on vavatch.codon.org.uk) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 546 Lines: 12 The 945 chipset used in the Z61 can only address 4GB of physical address space and your BIOS is using some of this for PCI and other bits of hardware. That only leaves 3GB for RAM. I believe that this restriction is mentioned on the IBM website somewhere. -- Matthew Garrett | mjg59@srcf.ucam.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/