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Subject: Re: Q: boot time memory region recognition and clearing.
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ishikawa <ishikawa@yk.rim.or.jp>
Cc: linux-kernel@vger.kernel.org
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Date: 13 Jul 2002 15:15:17 +0100
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On Sat, 2002-07-13 at 11:08, Ishikawa wrote:
> I have found that the particular motherboard (and memory sticks)
> that I use at home tends to generate bogus memory problem 
> warning messages when I use ecc module.
> Motherboard is Gigabyte 7XIE4 that uses AMD751.
> (Yes, AMD has now provides AMD76x series chipset for
> newer CPUs.)
> 
> I say "bogus" because I have tested the hardware
> many times using memtest86 and found that it doesn't
> detect any memory errors even 

memtest86 isnt (except on the very very latest versions) aware of ECC.
It sees the memory after the ECC rescues minor errors so if the RAM has
errors but ECC just about saves you it will show up clean

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