Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272824AbTHSQ5S (ORCPT ); Tue, 19 Aug 2003 12:57:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272816AbTHSQ5S (ORCPT ); Tue, 19 Aug 2003 12:57:18 -0400 Received: from mail.jlokier.co.uk ([81.29.64.88]:43649 "EHLO mail.jlokier.co.uk") by vger.kernel.org with ESMTP id S276366AbTHSQaj (ORCPT ); Tue, 19 Aug 2003 12:30:39 -0400 Date: Tue, 19 Aug 2003 17:30:34 +0100 From: Jamie Lokier To: Nagendra Singh Tomar Cc: Paolo Ornati , linux-kernel@vger.kernel.org Subject: Re: [OT] Documentation for PC Architecture Message-ID: <20030819163034.GA15033@mail.jlokier.co.uk> References: <20030819010205.GE11081@mail.jlokier.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 832 Lines: 19 Nagendra Singh Tomar wrote: > What is this 2nd address translation you are mentioning. > I always thought that for the sake of cleanliness we just forget about the > 384K of memory starting from 640K. RAM anyway is cheap. > Pl correct me if I'm missing something. That is probably true of modern machines. It is hard to tell from the e820 map on two machines I just looked at, because other bits of RAM are missing, more than 384k. The original question asked about "the PC architecture", and I can say for sure that a PC with 1MB does not just forget about 384k of it :) -- Jamie - 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/