From owner-freebsd-chat Mon Aug 10 12:47:24 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA22873 for freebsd-chat-outgoing; Mon, 10 Aug 1998 12:47:24 -0700 (PDT) (envelope-from owner-freebsd-chat@FreeBSD.ORG) Received: from titus.stade.co.uk (stade.demon.co.uk [158.152.29.164]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA22858 for ; Mon, 10 Aug 1998 12:47:17 -0700 (PDT) (envelope-from aw1@stade.co.uk) Received: (from aw1@localhost) by titus.stade.co.uk (8.9.1/8.8.8) id UAA11400 for freebsd-chat@FreeBSD.ORG; Mon, 10 Aug 1998 20:35:16 +0100 (BST) (envelope-from aw1) Message-ID: <19980810203516.B7341@stade.co.uk> Date: Mon, 10 Aug 1998 20:35:16 +0100 From: Adrian Wontroba To: freebsd-chat@FreeBSD.ORG Subject: Re: FreeBSD Reply-To: aw1@stade.co.uk References: <19980809104012.P14475@freebie.lemis.com> <19980810083241.L11095@freebie.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <19980810083241.L11095@freebie.lemis.com>; from Greg Lehey on Mon, Aug 10, 1998 at 08:32:41AM +0930 Organization: Stade Computers Ltd, UK X-Phone: +(44) 121 681 6677 Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Mon, Aug 10, 1998 at 08:32:41AM +0930, Greg Lehey wrote: > Oh, sure, when you have multiple CPUs. I think we were talking about > software multiplexing a physical system. It can be done - several ICL 2900 series mainframes concurrently ran two different operating systems, with different underlying instruction sets, on a single CPU (OCP). This allowed people to get rid of their old hardware sooner. The software multiplexing was performed by the OCP microcode. -- Adrian Wontroba, Stade Computers Limited. phone: (+44) 121 681 6677 Mail info@accu.org for information about the Association of C and C++ Users or see To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message