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Subject: Re: Dmesg: Use a PAE enabled kernel
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andrew Walrond <andrew@walrond.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Mon, 2003-03-03 at 15:23, Andrew Walrond wrote:
> During bootup I see
> 
>    Warning only 4GB will be used.
>    Use a PAE enabled kernel.
> 
> But I only have 4Gb installed, so is this message wrong?

Yes. Its confusing 4Gb of memory with 4Gb of address space.
4Gb of RAM comes out as
[RAM][ISA][RAM....][PCI] {4GbLimit} [RAM]


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