Date: Thu, 02 Jan 1997 20:06:31 -0600 From: Tony Overfield <tony@dell.com> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: freebsd-hackers@freefall.freebsd.org Subject: Re: CPU fan detection... Message-ID: <3.0.1.32.19970102200622.00699f64@bugs.us.dell.com>
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At 11:48 AM 1/3/97 +1030, Michael Smith wrote: >Just to change the subject slightly... > >The Intel CPUs with integrated fans do indeed have a fan sensor of some >sort. Anyone know how to read it? It'd make for a good idle-loop >check... The Intel 486->Pentium Overdrive CPU, with the integrated fan, will disable the internal clock multiplier when the fan stops. You could check to see if your 100 MHz CPU suddenly seems to be running at only 33 MHz.
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