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Re: Netbsd XEN nothing I can boot in



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



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