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From: "Ian Lord" <mailing-lists@msdi.ca>
To: "'Don O'Neil'" <lists@lizardhill.com>,
	<freebsd-questions@freebsd.org>
References: <01d301c78699$d6a36820$0300020a@mickey>
X-ASG-Orig-Subj: RE: Memory >3.5GB not used?
Date: Tue, 24 Apr 2007 13:57:41 -0400
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Subject: RE: Memory >3.5GB not used?
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-----Original Message-----
From: owner-freebsd-questions@freebsd.org
[mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Don O'Neil
Sent: 24 avril 2007 13:56
To: freebsd-questions@freebsd.org
Subject: Memory >3.5GB not used?

I just built a new server with an Athlon 64 x2, 4GB Ram and a
Gigabyte/Nvidia motherboard.

When I boot the system up it says on the console that 532888K will be
ignored.

Of course it isn't put in any of the log files. Dmesg shows this:

real memory  = 3724476416 (3551 MB)
avail memory = 3649908736 (3480 MB)

Any reason the extra 1/2 GB isn't showing up or usable? Is there something I
need to specify in the kernel to get to the other 1/2 GB? What if I want to
install more than 4GB? This mobo supports up to 16 GB... Do I need to go to
the AMD64 platform to get >4GB?

I'm running FreeBSD 6.1 i386 SMP kernel.
~~~~
Either use the amd64 version of freebsd or activate PAE in your kernel

Regards