Subject: Re: Netbsd XEN nothing I can boot in
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: port-xen
Date: 09/14/2006 08:58:43
On Thu, Sep 14, 2006 at 02:49:53PM +0200, Manuel Bouyer wrote:
>
> With a 32bit non-PAE system you can't have much more than 3GB physical memory
> anyway, because in the 4GB physical address space you have to put all what's
> memory-mapped: RAM, BIOS roms, PCI memory-mapped space, etc ...
> usually all of this needs about 1GB, so out of the 4GB RAM one part of it
> (1GB) is mapped above 4GB and can't be accessed by 32bit systems.
It's usually more like 200MB.
Thor