Date: Thu, 02 Aug 2001 09:33:34 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Kenneth Wayne Culver <culverk@wam.umd.edu> Cc: freebsd-hackers@FreeBSD.org, craig <craiglei@pasia.com.cn>, Terry Lambert <tlambert2@mindspring.com>, Rik van Riel <riel@conectiva.com.br> Subject: Re: How to visit physical memory above 4G? Message-ID: <XFMail.010802093334.jhb@FreeBSD.org> In-Reply-To: <Pine.GSO.4.21.0108020937090.20844-100000@rac2.wam.umd.edu>
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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 <jhb@FreeBSD.org> -- 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/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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