From owner-freebsd-hardware@FreeBSD.ORG Wed Aug 9 08:42:02 2006 Return-Path: X-Original-To: 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 B393E16A4DA for ; Wed, 9 Aug 2006 08:42:02 +0000 (UTC) (envelope-from jhs@flat.berklix.net) Received: from thin.berklix.org (thin.berklix.org [194.246.123.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1460343D46 for ; Wed, 9 Aug 2006 08:42:01 +0000 (GMT) (envelope-from jhs@flat.berklix.net) Received: from js.berklix.net (p549A5C57.dip.t-dialin.net [84.154.92.87]) (authenticated bits=128) by thin.berklix.org (8.12.11/8.12.11) with ESMTP id k798fxXD007303; Wed, 9 Aug 2006 10:41:59 +0200 (CEST) (envelope-from jhs@flat.berklix.net) Received: from fire.jhs.private (fire.jhs.private [192.168.91.41]) by js.berklix.net (8.12.11/8.12.11) with ESMTP id k798fvne031769; Wed, 9 Aug 2006 10:41:58 +0200 (CEST) (envelope-from jhs@flat.berklix.net) Received: from fire.jhs.private (localhost.jhs.private [127.0.0.1]) by fire.jhs.private (8.13.1/8.13.1) with ESMTP id k798fvVW085838; Wed, 9 Aug 2006 10:41:57 +0200 (CEST) (envelope-from jhs@fire.jhs.private) Message-Id: <200608090841.k798fvVW085838@fire.jhs.private> To: Krassimir Slavchev In-Reply-To: Message from Krassimir Slavchev of "Wed, 09 Aug 2006 11:28:16 +0300." <44D99CA0.1030703@bulinfo.net> Date: Wed, 09 Aug 2006 10:41:57 +0200 From: "Julian H. Stacey" Cc: 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 08:42:02 -0000 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 ? -- Julian Stacey. Unix & C Consultant, Munich / Muenchen http://berklix.com Mail in Ascii, not HTML. Ihr Rauch = mein allergischer Kopfschmerz.