From owner-freebsd-chat Sat Mar 8 15:19:04 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id PAA07089 for chat-outgoing; Sat, 8 Mar 1997 15:19:04 -0800 (PST) Received: from root.com (implode.root.com [198.145.90.17]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id PAA07073 for ; Sat, 8 Mar 1997 15:19:00 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by root.com (8.8.5/8.6.5) with SMTP id PAA11518; Sat, 8 Mar 1997 15:20:01 -0800 (PST) Message-Id: <199703082320.PAA11518@root.com> X-Authentication-Warning: implode.root.com: localhost [127.0.0.1] didn't use HELO protocol To: Andreas Klemm cc: chat@freebsd.org Subject: Re: RSA 56-bit key challenge In-reply-to: Your message of "Sat, 08 Mar 1997 10:35:20 +0100." <19970308103520.57937@klemm.gtn.com> From: David Greenman Reply-To: dg@root.com Date: Sat, 08 Mar 1997 15:20:01 -0800 Sender: owner-chat@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >On Sat, Mar 01, 1997 at 05:57:47PM -0800, Jordan K. Hubbard wrote: >> > Im assuming you twiddled the jumpers to get the higher rate, what gives you >> > confidence that your not going to smoke your CPU? :) >> >> Intel, actually. :) According to what I've heard, even when you get >> the chip hot enough to cause it to shut down, all you have to do is >> wait for it to cool down and it's back in business with no ill >> effects. I think John tried some pretty hallucinatory clock speeds >> in his own case before finally settling on 233 as the only reliable >> overclock setting. :-) > >Does that mean, that the Pentium Pro has a build in heat sensor ? ;-) Yes, actually. I don't recall in which section of the PPro hardware manual this is documented, but it does indeed have a temperature sensor that shuts the chip down before it exceeds the level that would cause permanent damage. I was quite surprised when I read about this... -DG David Greenman Core-team/Principal Architect, The FreeBSD Project