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Date: Sun, 20 Nov 2005 18:53:41 -0800
From: Paul Saab <ps@freebsd.org>
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To: "Chad Leigh -- Shire.Net LLC" <chad@shire.net>
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Cc: current@freebsd.org, Kris Kennaway <kris@obsecurity.org>
Subject: Re: avail memory is short by 1G on my FreeBSD 6.0-STABLE MP Dell
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Chad Leigh -- Shire.Net LLC wrote:
> I assume you are talking about the "phenomenon"  of RAM "missing" due 
> to PCI and other I/O mapping into the 4GB address space?  What struck 
> me about the OP is that the amount of RAM "missing" is more than I 
> have ever seen due to this.  My systems are usually 3.4-3.6GB of RAM 
> with 4GB installed, not 2.86GB (3005MB)...  So are we sure that the 
> PCI space mapping is the problem?
>
Enable PAE and you'll get all your ram.