Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 7 Feb 2002 05:52:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 7 Feb 2002 05:52:22 -0500 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:17216 "EHLO frodo.biederman.org") by vger.kernel.org with ESMTP id ; Thu, 7 Feb 2002 05:52:13 -0500 To: "Daniel J Blueman" Cc: "'Benny Sjostrand'" , Subject: Re: 512 Mb DIMM not detected by the BIOS! In-Reply-To: <000001c1ac30$2ed408a0$0100a8c0@stratus> From: ebiederm@xmission.com (Eric W. Biederman) Date: 07 Feb 2002 03:48:16 -0700 In-Reply-To: <000001c1ac30$2ed408a0$0100a8c0@stratus> Message-ID: Lines: 20 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "Daniel J Blueman" writes: > Hey Benny, > > This is a chipset problem. Chipsets support up to x CAS (column) lines > and y RAS (row) lines, and depending on your DIMM memory module layout > and configuration, you 512MB DIMM will be detected as a different sized > module. > > Eg. The venerable Intel 440BX (PII) chipset supports a max of 256MB per > slot. Ah well. > > Since it's a chipset (ie hardware) issue, it's not possible to work > around this problem - you need a newer chipset. Sorry. Additionally memory is generally and practically a setup once thing in every chipset I have looked at. Even if the chipsets supports it would be very difficult ``fix'' this afterwards. Eric - 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/