From owner-freebsd-hardware Tue Jan 14 09:50:31 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id JAA26071 for hardware-outgoing; Tue, 14 Jan 1997 09:50:31 -0800 (PST) Received: from po1.glue.umd.edu (root@po1.glue.umd.edu [129.2.128.44]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id JAA26065 for ; Tue, 14 Jan 1997 09:50:29 -0800 (PST) Received: from downlink.eng.umd.edu (downlink.eng.umd.edu [129.2.98.182]) by po1.glue.umd.edu (8.8.3/8.7.3) with ESMTP id MAA22318; Tue, 14 Jan 1997 12:50:21 -0500 (EST) Received: from localhost (chuckr@localhost) by downlink.eng.umd.edu (8.8.3/8.7.3) with SMTP id MAA16141; Tue, 14 Jan 1997 12:50:19 -0500 (EST) X-Authentication-Warning: downlink.eng.umd.edu: chuckr owned process doing -bs Date: Tue, 14 Jan 1997 12:50:17 -0500 (EST) From: Chuck Robey X-Sender: chuckr@downlink.eng.umd.edu To: Steve Passe cc: Chris Shenton , hardware@freebsd.org Subject: Re: Motherboard & ChipSet pointers? In-Reply-To: <199701141743.KAA27168@clem.systemsix.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Tue, 14 Jan 1997, Steve Passe wrote: > Hi, > > >If you're thinking about dual CPUs, I think that any of the Cyrix > >processors will be permanently out of the running. See, they decided to > >go a different route with the interrupt handling, which is central to > >running multiple CPUs. The hardware to make the Cyrix CPUs multiprocess > >isn't there. > > I think *INTEL* decided for them by patenting the hell out of the > APIC technology. I have strong misgivings about supporting this sort > of proprietary nonsense, but in this case I'm afraid Intel wins.... I agree, but since the OpenAPIC stuff is entirely incompatible with Intel's technology, what can you do? I HATE knuckling under to monopolists, I think most FreeBSDers do too, but I don't see the alternative, either. ----------------------------+----------------------------------------------- Chuck Robey | Interests include any kind of voice or data chuckr@eng.umd.edu | communications topic, C programming, and Unix. 9120 Edmonston Ct #302 | Greenbelt, MD 20770 | I run Journey2 and picnic, both FreeBSD (301) 220-2114 | version 3.0 current -- and great FUN! ----------------------------+-----------------------------------------------