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Date:      Wed, 20 Feb 2002 19:49:17 +0100
From:      Cliff Sarginson <csfbsd@raggedclown.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: RAM Memory Question
Message-ID:  <20020220184917.GG3600@raggedclown.net>
In-Reply-To: <NGBBKILMGLGEDIHMGJANKEBMCAAA.sgeine@yahoo.com>
References:  <F11g93VLnjJeDYt4lBM0000f5a2@hotmail.com> <NGBBKILMGLGEDIHMGJANKEBMCAAA.sgeine@yahoo.com>

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On Wed, Feb 20, 2002 at 08:28:59AM -0800, Jesse Geddis wrote:
> have you tried setting the MAXMEM option in your kernel?
> 
> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Chris Angell
> Sent: Wednesday, February 20, 2002 8:27 AM
> To: freebsd-questions@FreeBSD.ORG
> Subject: RAM Memory Question
> 
> 
> Helpers,
> 
> I have a FreeBSD machine running 4.5 Release.  This machine has 256 megs of 
> ram.  On startup, FreeBSD (or the boot loader?) recognizes the ram.  It sees 
> all 256 megs.  The message reads something like "BIOS Reports 256789Kb".
> 
> When the kernel takes over booting, it complains something like "Memory Hole 
> in physical memory, giving up".  The error is NOT in DMESG, though DMESG 
> does say that this machine has only 150 megs of real and 142 megs of 
> available memory.
> 
> Does anyone have any ideas?  This machine is a new 1 Ghz Athlon with two 
> sticks of PC-133 SDRAM.  This problem is rather puzzling.  Usually, in my 
> experiences, ram either does its thing like it's supposed to, or simply 
> renders the machine inoperable.
> 
Look in your BIOS, you may find there an option to allow a memory hole, 
this used to be needed for some reason or another on another OS
(something to do with ISA I think)..make sure it is disabled.

-- 
Regards
   Cliff Sarginson -- <csfbsd@raggedclown.net>

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