From owner-freebsd-hackers Thu Aug 2 7: 5:30 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from po4.wam.umd.edu (po4.wam.umd.edu [128.8.10.166]) by hub.freebsd.org (Postfix) with ESMTP id C027937B401 for ; Thu, 2 Aug 2001 07:05:27 -0700 (PDT) (envelope-from culverk@wam.umd.edu) Received: from rac2.wam.umd.edu (IDENT:root@rac2.wam.umd.edu [128.8.10.142]) by po4.wam.umd.edu (8.9.3/8.9.3) with ESMTP id KAA23998; Thu, 2 Aug 2001 10:05:08 -0400 (EDT) Received: from rac2.wam.umd.edu (IDENT:sendmail@localhost [127.0.0.1]) by rac2.wam.umd.edu (8.9.3/8.9.3) with SMTP id KAA26488; Thu, 2 Aug 2001 10:05:07 -0400 (EDT) Received: from localhost (culverk@localhost) by rac2.wam.umd.edu (8.9.3/8.9.3) with ESMTP id KAA26484; Thu, 2 Aug 2001 10:05:07 -0400 (EDT) X-Authentication-Warning: rac2.wam.umd.edu: culverk owned process doing -bs Date: Thu, 2 Aug 2001 10:05:07 -0400 (EDT) From: Kenneth Wayne Culver To: Rik van Riel Cc: Terry Lambert , craig , freebsd-hackers@FreeBSD.ORG Subject: Re: How to visit physical memory above 4G? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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/ > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message