From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Date: Sat, 06 Oct 2012 16:43:39 +0000 Subject: Re: [lm-sensors] Intel 5500 temperature Message-Id: <20121006164339.GA31857@roeck-us.net> List-Id: References: <20121006131253.59beb17a@endymion.delvare> In-Reply-To: <20121006131253.59beb17a@endymion.delvare> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lm-sensors@vger.kernel.org On Sat, Oct 06, 2012 at 01:12:53PM +0200, Jean Delvare wrote: > Hi Karl, >=20 > Jumping in 3 years later... >=20 > 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=20 > > runs hot. Digging into the details reveals that it throttles back if it= gets too hot - > >=20 > > http://www.intel.com/assets/pdf/designguide/321330.pdf -- see pg 18. > >=20 > > Is it possible to read the temperature of this chip? > >=20 > > I've attached some readouts.. > >=20 > >=20 > > More information at pg 159 of http://www.intel.com/Assets/PDF/datasheet= /321328.pdf >=20 > 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 >=20 > Unfortunately it turns out the driver doesn't work for me. It returns a > constant temperature of 36.5=B0C. 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. >=20 > 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. >=20 Nothing obvious afaics. Do you get reasonable values for the limits ? Guenter _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors