From owner-freebsd-hardware@FreeBSD.ORG Wed Aug 9 12:47:03 2006 Return-Path: X-Original-To: freebsd-hardware@freebsd.org Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3EDBB16A4DE; Wed, 9 Aug 2006 12:47:03 +0000 (UTC) (envelope-from krassi@bulinfo.net) Received: from mx.bulinfo.net (mx.bulinfo.net [193.194.156.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3A68943D45; Wed, 9 Aug 2006 12:47:02 +0000 (GMT) (envelope-from krassi@bulinfo.net) Received: from localhost (localhost [127.0.0.1]) by mx.bulinfo.net (Postfix) with ESMTP id 8CB7F1DE2B; Wed, 9 Aug 2006 15:46:59 +0300 (EEST) Received: from mx.bulinfo.net ([127.0.0.1]) by localhost (mx.bulinfo.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 99776-04; Wed, 9 Aug 2006 15:46:58 +0300 (EEST) Received: from [192.168.2.188] (pythia.bulinfo.net [212.72.195.5]) by mx.bulinfo.net (Postfix) with ESMTP id 03DA71DE28; Wed, 9 Aug 2006 15:46:57 +0300 (EEST) Message-ID: <44D9D8D0.1020704@bulinfo.net> Date: Wed, 09 Aug 2006 15:45:04 +0300 From: Krassimir Slavchev User-Agent: Thunderbird 1.5 (X11/20060201) MIME-Version: 1.0 To: John Baldwin References: <200608090908.k79988pY086073@fire.jhs.private> <44D9B553.6030003@bulinfo.net> <200608090832.30259.jhb@freebsd.org> In-Reply-To: <200608090832.30259.jhb@freebsd.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at mx.bulinfo.net Cc: Julian Stacey , freebsd-hardware@freebsd.org Subject: Re: Real and available memory? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Aug 2006 12:47:03 -0000 John Baldwin wrote: > On Wednesday 09 August 2006 06:13, Krassimir Slavchev wrote: > >> Julian Stacey wrote: >> >>> Reference: >>> >>> >>>> From: Krassimir Slavchev >>>> Date: Wed, 09 Aug 2006 11:46:33 +0300 >>>> Message-id: <44D9A0E9.30608@bulinfo.net> >>>> >>>> >>> Krassimir Slavchev wrote: >>> >>> >>>> Julian H. Stacey wrote: >>>> >>>> >>>>> Krassimir Slavchev wrote: >>>>> >>>>> >>>>> >>>>>> Julian H. Stacey wrote: >>>>>> >>>>>> >>>>>> >>>>>>> Krassimir Slavchev wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Hello, >>>>>>>> >>>>>>>> I have Vortex86-6082 with 128Mb AMI bios. >>>>>>>> >>>>>>>> Why the kernel reports only 80 MB available memory? >>>>>>>> Is this related to BIOS or kernel settings? >>>>>>>> >>>>>>>> dmesg output: >>>>>>>> >>>>>>>> Copyright (c) 1992-2006 The FreeBSD Project. >>>>>>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 >>>>>>>> The Regents of the University of California. All rights reserved. >>>>>>>> FreeBSD 6.1-STABLE #0: Wed Jul 26 10:09:06 EEST 2006 >>>>>>>> root@krassi:/usr/obj/usr/src/sys/TINYBSD >>>>>>>> Timecounter "i8254" frequency 1193182 Hz quality 0 >>>>>>>> CPU: Pentium (166.61-MHz 586-class CPU) >>>>>>>> Origin = "SiS SiS SiS " Id = 0x505 >>>>>>>> real memory = 125829120 (120 MB) >>>>>>>> avail memory = 84332544 (80 MB) >>>>>>>> kbd1 at kbdmux0 >>>>>>>> ... >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> Does the mboard BIOS on monitor at boot recognise all 128 M ? >>>>>>> >>>>>>> I've seen boards that only recognised 1/4 of the SIM size. >>>>>>> 80 seems a bit of an odd (non hex) number though. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> Yes, at boot the board recognizes 128Mb. The RAM is embedded on the board. >>>>>> The kernel reports real 120 Mb because maybe 8 Mb is used by video card. >>>>>> I don't know why exact 80Mb is reported but 80 = 64+16. >>>>>> >>>>>> >>>>>> >>>>> Have you tried unplugging every board (inc. ethernet scsi raid etc) >>>>> & plugging in a different (modest, old as possible. less demanding) >>>>> graphic card ? Maybe that'd give a clue, maybe your graphics card >>>>> is taking more than 8M ? >>>>> >>>>> >>>>> >>>>> >>>> No, I can't unplug anything, see: >>>> http://www.icop.com.tw/products_detail.asp?ProductID=119 >>>> >>>> >>> Interesting little board, (might be of interest to other freebsd.org >>> mail lists eg small, real time ). >>> >>> That URL specifies >>> 128MB SDRAM >>> ... >>> AGP Rev.2.0 compliant >>> Shared system memory up to 64MB (Default 8 MB) >>> Maybe BIOS is no longer defaulting to 8 Meg ? >>> Checkable / Settable in BIOS ? >>> >>> >>> >> I can't find anything related to video memory in the BIOS but it seems >> to be correct >> real memory = 120 Mb reported by the kernel. >> My question is why the available memory is only 80Mb? >> > > Are you using an MFS root or a really large kernel? > > Yes, MFS root is 32 Mb and kernel is ~3.4Mb