Date: Thu, 30 Aug 2007 14:58:35 -0700 From: "Jeff Mohler" <speedtoys.racing@gmail.com> To: "User Bobby" <bobby@susanne.tomatoseed.org> Cc: freebsd-questions@freebsd.org Subject: Re: 4gb address space limitation for i386 Message-ID: <a969fbd10708301458o28fadabch7fedc326319d0321@mail.gmail.com> In-Reply-To: <20070830172127.M11085@susanne.tomatoseed.org> References: <20070830172127.M11085@susanne.tomatoseed.org>
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Youre pretty much going to require an AMD setup for that. On 8/30/07, User Bobby <bobby@susanne.tomatoseed.org> wrote: > > I have an IBM xSeries 350 4xPIII with 5.5gb of RAM, and see that only > about 3.5gb is being used under the i386 port. I've been looking through > the > archives to try and figure out what the root of the problem is and I amn't > quite sure I know which part of the situation is the real problem. > > Is it a limitation of the i386 port? That is to say, if there were a > specific PIII (i686?) port, would this problem be overcome? Or is it a > hardware limitation? Is it necessary to use a not-clean method to > access the extra address space (is this what PAE is?), and there's no > clean > way around it, regardless of the port? > > I was looking at building a PAE kernel, but was discouraged by the lack of > usb and certain SCSI support, both of which I'd really like to have (in > the case of SCSI, need to have). Is this lack of support because of an > inherent difficulty in the hardware, or could it be overcome in a > stable way with modification of the device driver code? > > My basic (and very hypothetical) question - if I had unlimited time and > knowledge (I have limited both), what direction would I take to get access > to all 5.5gb of RAM on this particular computer? > > Thank you, > Bob > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" >
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