From owner-freebsd-questions@FreeBSD.ORG Thu Jun 16 23:05:53 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DB38E106566C for ; Thu, 16 Jun 2011 23:05:53 +0000 (UTC) (envelope-from traveling08@cox.net) Received: from fed1rmfepo103.cox.net (fed1rmfepo103.cox.net [68.230.241.145]) by mx1.freebsd.org (Postfix) with ESMTP id B49228FC17 for ; Thu, 16 Jun 2011 23:05:53 +0000 (UTC) Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmfepo103.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20110616230553.CJRW20516.fed1rmfepo103.cox.net@fed1rmimpo01.cox.net>; Thu, 16 Jun 2011 19:05:53 -0400 Received: from dell64 ([72.220.91.219]) by fed1rmimpo01.cox.net with bizsmtp id wn5t1g0014jy6EY03n5t6c; Thu, 16 Jun 2011 19:05:53 -0400 X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020202.4DFA8C51.002B,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=1.1 cv=oT3NRLj0cCCNKj4i9nkMf6e5GpIIhKgkN3gTd9K8V1w= c=1 sm=1 a=6CniscRAF_AA:10 a=G8Uczd0VNMoA:10 a=kj9zAlcOel0A:10 a=olICo1sKaMXbpqbYUd6B5g==:17 a=n-kJSqksAAAA:8 a=fAv_9IoxZUNLNbFEInoA:9 a=Qm4_nvYG-X3WRy6Soi4A:7 a=CjuIK1q_8ugA:10 a=98jSFH7WqmUA:10 a=olICo1sKaMXbpqbYUd6B5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none Date: Thu, 16 Jun 2011 16:05:47 -0700 From: Robert To: Chuck Swiger Message-ID: <20110616160547.68a628e9@dell64> In-Reply-To: <110DEE0E-92A6-4202-B072-0EC5104B839E@mac.com> References: <20110616141030.0f3dc5f3@dell64> <110DEE0E-92A6-4202-B072-0EC5104B839E@mac.com> X-Mailer: Claws Mail 3.7.9 (GTK+ 2.22.1; amd64-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "freebsd-questions@freebsd.org" Subject: Re: OT: Strange memory reading (hardware) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Jun 2011 23:05:53 -0000 On Thu, 16 Jun 2011 15:11:22 -0700 Chuck Swiger wrote: > On Jun 16, 2011, at 2:10 PM, Robert wrote: > > I have tested with all of the sticks installed and with one at a > > time. When all of the sticks are installed, BIOS show a total of > > 2752 MB of RAM. If any of the sticks are installed alone in any of > > the four slots, BIOS then shows 960 MB instead of the 1024 one > > would expect. > > Sounds like the BIOS is stealing 64MB for video RAM. > There's likely a BIOS setting which governs the size of this. > > As for not being able to access all 4GB, this is a FAQ. > If you run a 32-bit system, the top gigabyte or so of address space is > reserved for memory mapped I/O reservations like AGP, PCIe, etc. > > If your hardware is capable of running in 64-bit mode, do that. > > Regards, Chuck Thanks for the reply. I should have been clearer. During POST only 2752 MB is shown. Also, I am running the amd64 version of freenas. As I said, I am 100% sure this is a MOBO hardware problem and I was just trying to compute the math. Robert