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Date:      Thu, 2 Aug 2001 10:05:07 -0400 (EDT)
From:      Kenneth Wayne Culver <culverk@wam.umd.edu>
To:        Rik van Riel <riel@conectiva.com.br>
Cc:        Terry Lambert <tlambert2@mindspring.com>, craig <craiglei@pasia.com.cn>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: How to visit physical memory above 4G?
Message-ID:  <Pine.GSO.4.21.0108021004290.20844-100000@rac2.wam.umd.edu>
In-Reply-To: <Pine.LNX.4.33L.0108021043350.5582-100000@duckman.distro.conectiva>

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Oh ok, I knew that regular PIII's only had 32 bits... but it's still
obviously a pain in the butt to use above 4GB.

Ken

On Thu, 2 Aug 2001, Rik van Riel wrote:

> On Thu, 2 Aug 2001, Kenneth Wayne Culver wrote:
> 
> > Also, the PIII CAN'T natively support more than 4GB of ram. If a
> > particular PIII motherboard supports this, then it's using some
> > kind of wierd chipset that allows this to happen. 4GB is the
> > limit with a 32 bit chip I believe; and the PIII is a 32-bit
> > chip.
> 
> The Xeon series have 32 bits of virtual address space
> and 36 bits of physical address space.
> 
> Rik
> --
> Executive summary of a recent Microsoft press release:
>    "we are concerned about the GNU General Public License (GPL)"
> 
> 
> 		http://www.surriel.com/
> http://www.conectiva.com/	http://distro.conectiva.com/
> 
> 


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