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Date:      Tue, 1 Jul 2003 16:46:55 -0700
From:      Joshua Oreman <oremanj@webserver.get-linux.org>
To:        george donnelly <list@zettai.net>
Cc:        questions@freebsd.org
Subject:   Re: 4GB RAM limit?
Message-ID:  <20030701234655.GA72522@webserver.get-linux.org>
In-Reply-To: <BB2783B4.34F62%list@zettai.net>
References:  <BB2783B4.34F62%list@zettai.net>

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On Tue, Jul 01, 2003 at 06:30:13PM +0000 or thereabouts, george donnelly wrote:
> hi
> 
> I've got a 4.7 freebsd machine and after upgrading from 4 to 6GB of RAM, top
> does not recogmize the other 2 GB (only shows 4) and actually there was a
> message that said "ignoring 2 GB".
> 
> Can anyone shed light on this or suggest where i can look to understand
> this?

AFAIK, on i386 the maximum addressable memory space is 4096 MB.
Here's why:
C pointer = 4 bytes = maximum value 4294967296

-- Josh

> 
> tia
> 
> <-->
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