Re: How to visit physical memory above 4G?

[Kenneth Wayne Culver]

BUT, don't the motherboards also have to support this? And isn't it only
supported through some wierd segmentation thing? 

KEn

On Thu, 2 Aug 2001, John Baldwin wrote:

> 
> On 02-Aug-01 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.
> > 
> > Ken
> 
> Go look at some Intel docs.  P6 chips since the Pentium Pro (yes, before
> Pentium II) have supported PAE which allows for a 36-bit physical address.
> 
> -- 
> 
> John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
> PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
> "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
> 


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