From owner-freebsd-smp Mon Apr 28 11:11:33 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id LAA28813 for smp-outgoing; Mon, 28 Apr 1997 11:11:33 -0700 (PDT) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.50]) by hub.freebsd.org (8.8.5/8.8.5) with SMTP id LAA28801 for ; Mon, 28 Apr 1997 11:11:29 -0700 (PDT) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id LAA02356; Mon, 28 Apr 1997 11:10:08 -0700 From: Terry Lambert Message-Id: <199704281810.LAA02356@phaeton.artisoft.com> Subject: Re: Quad Pro 150 motherboard? To: phk@dk.tfs.com (Poul-Henning Kamp) Date: Mon, 28 Apr 1997 11:10:08 -0700 (MST) Cc: bad@uhf.wireless.net, terry@lambert.org, smp@freebsd.org In-Reply-To: <308.862250674@critter> from "Poul-Henning Kamp" at Apr 28, 97 08:04:34 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-smp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > >Didn't anyone ever notice those neat traces between the CPUs and other > >devices on the MB? The higher and higher you go in frequency, the shorter > >and shorter a wavelength becomes and the more and more these traces start > >to look like antennas. There's a physical limit as to how long these > >traces can be and this limit also affects how closely you can space CPUs, > >without setting up a CPU hierarchy. > > Uhm, we're about an order of magnitude from that point yet... Weber State University has a 32 processor Sequent box that would love to be able to run a free OS... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.