From: Guenter Roeck <linux@roeck-us.net>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] Intel 5500 temperature
Date: Sat, 06 Oct 2012 16:43:39 +0000 [thread overview]
Message-ID: <20121006164339.GA31857@roeck-us.net> (raw)
In-Reply-To: <20121006131253.59beb17a@endymion.delvare>
On Sat, Oct 06, 2012 at 01:12:53PM +0200, Jean Delvare wrote:
> Hi Karl,
>
> Jumping in 3 years later...
>
> On Sun, 20 Sep 2009 21:36:24 -0500, Karl Schmidt wrote:
> > I'm working on a Tyan S7002. It has an Intel 5500 (AKA tylersburg) chip on it with heatsink that
> > runs hot. Digging into the details reveals that it throttles back if it gets too hot -
> >
> > http://www.intel.com/assets/pdf/designguide/321330.pdf -- see pg 18.
> >
> > Is it possible to read the temperature of this chip?
> >
> > I've attached some readouts..
> >
> >
> > More information at pg 159 of http://www.intel.com/Assets/PDF/datasheet/321328.pdf
>
> I have the same chipset on my Asus Z8NA-D6 board and decided to look
> into this. There seems to be a thermal sensor in this chipset and
> following Intel's documentation I wrote a driver for it. You can
> download it at:
> http://khali.linux-fr.org/devel/misc/i5500_temp/
> Generic installation instructions are available at:
> http://khali.linux-fr.org/devel/misc/INSTALL
>
> Unfortunately it turns out the driver doesn't work for me. It returns a
> constant temperature of 36.5°C. I've tested on a few other systems at
> work, with the same disappointing result. I have read the datasheet
> again but can't find what I got wrong, if anything.
>
> I'm still sharing my work, in case it works on other systems, or
> someone looking at my code can figure out what I missed.
>
Nothing obvious afaics. Do you get reasonable values for the limits ?
Guenter
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next prev parent reply other threads:[~2012-10-06 16:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-06 11:12 [lm-sensors] Intel 5500 temperature Jean Delvare
2012-10-06 16:43 ` Guenter Roeck [this message]
2012-10-06 16:53 ` Jean Delvare
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