Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262204AbUK3RWq (ORCPT ); Tue, 30 Nov 2004 12:22:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262201AbUK3RWq (ORCPT ); Tue, 30 Nov 2004 12:22:46 -0500 Received: from users.linvision.com ([62.58.92.114]:43924 "HELO bitwizard.nl") by vger.kernel.org with SMTP id S262204AbUK3RRk (ORCPT ); Tue, 30 Nov 2004 12:17:40 -0500 Date: Tue, 30 Nov 2004 18:17:39 +0100 From: Erik Mouw To: Jan Engelhardt Cc: "Hanson, Jonathan M" , linux-kernel@vger.kernel.org Subject: Re: Walking all the physical memory in an x86 system Message-ID: <20041130171739.GB28284@harddisk-recovery.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.28i Organization: Harddisk-recovery.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 18 On Tue, Nov 30, 2004 at 05:12:01PM +0100, Jan Engelhardt wrote: > what have They done with /dev/mem? ... one once could access e.g. > position 0x400 of /dev/mem (by seeking) and then read the LPT port value. For AFAIK, LPT ports have never been memory mapped on PCs. They live in the IO space, usually at 0x378 (or 0x278). Erik -- +-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 -- | Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands - 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/