From owner-freebsd-questions  Mon Jun 21  4:53:23 1999
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Date: Mon, 21 Jun 1999 07:53:17 -0400 (EDT)
From: mwang@tech.cicg.ml.com (Michael Wang)
Message-Id: <199906211153.HAA05878@cicgload-fs1-p.tech.cicg.ml.com>
To: freebsd-questions@freebsd.org
Subject: Re: BIOS extmem (48128K) != RTC extmem (15296K)
Sender: owner-freebsd-questions@FreeBSD.ORG
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> > Hello BSDers:
> > 
> > I have a DELL OMNI PLEX 466 with 48MB mem but it seems that
> > FreeBSD:
> > FreeBSD mike.dream-color.com 3.2-RELEASE FreeBSD 3.2-RELEASE #0: 
> > can only recognize 16MB mem. I include the top display and boot
> > message below. Any ideas are greatly appreciated. Thank you all.
> > 
> This is something to do with the way the BIOS deals with memory
> above 16MB (I don't know the technical details). The solution is
> to tell FreeBSD explicitly how much RAM you have. Add the following
> to your kernel config file and rebuild the kernel. Note that you
> *must* include the quotes as the argument contains numbers.
> 
>      options         "MAXMEM=(48*1024)"

This is to report back that I did what was suggested above
but the problem remains. The following is part of boot message. 
Any ideas? Thanks.

BIOS basemem (639K) != RTC basemem (640K), setting to BIOS value
BIOS extmem (48128K) != RTC extmem (15296K)
Copyright (c) 1992-1999 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights reserved.
FreeBSD 3.2-RELEASE #1: Mon Jun 21 07:22:38 EDT 1999
    root@mike.dream-color.com:/usr/src/sys/compile/MYKERNEL
Timecounter "i8254"  frequency 1193182 Hz
CPU: i486 DX2 (486-class CPU)
  Origin = "GenuineIntel"  Id = 0x435  Stepping=5
  Features=0x3<FPU,VME>


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