Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964907AbWHHOYH (ORCPT ); Tue, 8 Aug 2006 10:24:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964915AbWHHOYG (ORCPT ); Tue, 8 Aug 2006 10:24:06 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:49459 "EHLO pd4mo3so.prod.shaw.ca") by vger.kernel.org with ESMTP id S964907AbWHHOYF (ORCPT ); Tue, 8 Aug 2006 10:24:05 -0400 Date: Tue, 08 Aug 2006 08:22:49 -0600 From: Robert Hancock Subject: Re: Only 3.2G ram out of 4G seen in an i386 box In-reply-to: To: Thomas Stewart Cc: linux-kernel@vger.kernel.org Message-id: <44D89E39.1000908@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 868 Lines: 22 Thomas Stewart wrote: > Hi, > I have a Dell Optiplex GX280, a Pentium 4 with an Intel chipset. It has > 4G of ram. The problem is I can only see 3.2G, even tho the bios reports > 4G. There was a thread on this subject a little while ago. Essentially it is a chipset limitation (i.e. lack of support for memory hole remapping, memory hoisting, whatever you want to call it) and there's nothing that can really be done about it. Even a 64-bit kernel will have the same problem. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - 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/