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Date:      Wed, 30 Mar 2005 14:35:46 -0800
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        "Greg 'groggy' Lehey" <grog@freebsd.org>
Cc:        FreeBSD-amd64@freebsd.org
Subject:   Re: Problems with AMD64 and 8 GB RAM?
Message-ID:  <20050330223546.GA4705@troutmask.apl.washington.edu>
In-Reply-To: <20050330222439.GU84137@wantadilla.lemis.com>
References:  <20050330222439.GU84137@wantadilla.lemis.com>

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On Thu, Mar 31, 2005 at 07:54:39AM +0930, Greg 'groggy' Lehey wrote:
> None of these problems occur when I use 4 GB memory.  About the only
> strangeness, which seems to come from the BIOS, is that it recognizes
> only 3.5 GB.  If I put all DIMMS in, it recognizes the full 8 GB
> memory.
> 
> I realize that this isn't enough to diagnose the problem.  The reason
> for this message now is to ask:
> 
> 1.  Has anybody else seen this problem?
> 2.  Has anybody else used this hardware configuration and *not* seen
>     this problem?
> 3.  Where should I look next?
> 

Have you run sysutils/memtest86 with the 8 GB?  I had
4 bad out of 12 tested where the DIMMs were Crucial
PC2700 2GB Reg. ECC DIMMs.

-- 
Steve



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