Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964911AbWJ1XOm (ORCPT ); Sat, 28 Oct 2006 19:14:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964912AbWJ1XOm (ORCPT ); Sat, 28 Oct 2006 19:14:42 -0400 Received: from mail.tmr.com ([64.65.253.246]:10432 "EHLO pixels.tmr.com") by vger.kernel.org with ESMTP id S964911AbWJ1XOl (ORCPT ); Sat, 28 Oct 2006 19:14:41 -0400 Message-ID: <4543E457.80203@tmr.com> Date: Sat, 28 Oct 2006 19:14:31 -0400 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.7) Gecko/20060910 SeaMonkey/1.0.5 MIME-Version: 1.0 To: Marc Perkel , Kernel Mailing List Subject: Re: Hardware Problem - Asus A8N-VM CSM References: <1449F58C868D8D4E9C72945771150BDF153767@SAUSEXMB1.amd.com> <454236C0.2070805@perkel.com> In-Reply-To: <454236C0.2070805@perkel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2249 Lines: 60 Marc Perkel wrote: > > > Langsdorf, Mark wrote: >>>> The problem. 2 out of the 4 sees all 4 gigs of ram. The other 2 see >>>> only 2.8 gigs of ram. And it's hardware related because in the bios >>>> setup the ones that show 2.8 show it in the bios. >>>> >>>> The motherboards were not prchased at the same time. All have >>>> different brands of ram. And the processors are different. The 2 >>>> that don't see all the ram are the newest ones. >>>> >>>> I tried swapping ram between one that saw 2.8 gigs and one that saw >>>> 4 gigs and the problem stays with the motherboard. >>>> I haven't yet swapped out the processors. >>>> >>>> So - I'm a little stumped. Can someone point me in the right direction? >>>> >> >> Usually, missing memory comes from the PCI I/O hole, or the >> IOMMU/AGP/framebuffer overlays. Does your BIOS have an >> options for creating a memory hole or hoisting memory? If >> so, are the settings between the 4G machines different from >> the 2.8G machines? >> >> Also, do you have an IOMMU aperture enabled and if so, how >> large? >> >> Are there any hardware differences between the systems, like >> different AGP or PCI graphics cards? >> >> >>> Answering my own question perhaps. Could it be related to whether or >>> not the processor is a "revision e" chip? >>> >> >> Possibly, but I'd expect the RevE parts to see more DRAM than >> the earlier parts. >> >> >> > > I fixed the problem. It wasn't a Revision E issue after all. I just > pulled the battery and when it came up clean it saw all the memory. > Thanks for your help. > Would have been interesting to use the "reset to factory defaults" option, just to see if some bit isn't set to known state doing that. -- Bill Davidsen Obscure bug of 2004: BASH BUFFER OVERFLOW - if bash is being run by a normal user and is setuid root, with the "vi" line edit mode selected, and the character set is "big5," an off-by-one errors occurs during wildcard (glob) expansion. - 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/