linux-kernel - Re: 4GB Physical. Less than 3GB in Linux.

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Message-ID: <b6a2187b0704160747l2707cac8ifc480bdbf147c37b@mail.gmail.com>
Date:	Mon, 16 Apr 2007 22:47:13 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Stefan Richter" <stefanr@...6.in-berlin.de>
Cc:	linux-kernel@...r.kernel.org,
	"Fortier,Vincent [Montreal]" <Vincent.Fortier1@...gc.ca>
Subject: Re: 4GB Physical. Less than 3GB in Linux.

On 4/16/07, Stefan Richter <stefanr@...6.in-berlin.de> wrote:
> The X60 most certainly contains a chipset which severely limits the
> amount of accessible RAM due to issues with remapping of PCIe addresses.
>  Intel explains it somewhere on their web presence.  A quick & lazy web
> search turned this Intel paper up:
> http://www.polywell.com/us/support/faq/4GB_Rev1.pdf

Stefan,

That's interesting.Thanks for the pointer. I wondered if there's
anyone working on a patch for this.

I've seen this problem before, just like Vincent, I thought it's only
me. Didn't really bother me, until I got a new X60s with 4GB RAM.

Thanks,
Jeff.
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