From mboxrd@z Thu Jan 1 00:00:00 1970 From: Moofie Date: Sat, 10 Apr 2010 07:35:05 +0000 Subject: Re: [lm-sensors] Soltek K8T800Pro (it87-isa-0290), Message-Id: <4BC02A29.1060709@shaw.ca> List-Id: References: <4BBA227C.7010205@shaw.ca> In-Reply-To: <4BBA227C.7010205@shaw.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: lm-sensors@vger.kernel.org Jean Delvare wrote: > On Thu, 08 Apr 2010 16:50:41 -0700, Moofie wrote: >> Moofie wrote: >>> Hello list, this is my first time posting here, and I come with some >>> questions about my server motherboard with the hopes that I configure >>> sensors on it correctly. >>> >>> While this Soltek board is relatively old (as the company is no longer >>> in business), I had never used it since the day that I bought it. The >>> board was recently installed into a server role and I hope to monitor >>> its health from a distance. >>> >>> While sensors detects the correct chips installed on the board, the >>> values are useless. >>> >>> I'm wondering if anyone can shed light on how to set the values >>> correctly for this board. Here's some pertinent info: >>> >>> >>> >>> ITE IT8712F, National LM90 (ISA 290h, SMBus 4Ch) >>> >>> >>> >>> acpitz-virtual-0 >>> Adapter: Virtual device >>> temp1: +40.0°C (crit = +75.0°C) >>> >>> k8temp-pci-00c3 >>> Adapter: PCI adapter >>> Core0 Temp: +50.0°C >>> Core1 Temp: +42.0°C >>> >>> it87-isa-0290 >>> Adapter: ISA adapter >>> in0: +1.31 V (min = +0.00 V, max = +4.08 V) >>> in1: +2.54 V (min = +0.00 V, max = +4.08 V) >>> in2: +3.28 V (min = +0.00 V, max = +4.08 V) >>> in3: +2.90 V (min = +0.00 V, max = +4.08 V) >>> in4: +2.91 V (min = +0.00 V, max = +4.08 V) >>> in5: +0.96 V (min = +0.00 V, max = +4.08 V) >>> in6: +1.12 V (min = +0.00 V, max = +4.08 V) >>> in7: +2.94 V (min = +0.00 V, max = +4.08 V) >>> Vbat: +3.26 V >>> fan1: 11250 RPM (min = 3245 RPM) >>> fan2: 4963 RPM (min = 0 RPM) >>> temp1: +26.0°C (low = -1.0°C, high = +127.0°C) sensor = >>> thermistor >>> temp2: -86.0°C (low = -1.0°C, high = +127.0°C) sensor = >>> thermal diode >>> temp3: +14.0°C (low = -1.0°C, high = +127.0°C) sensor = >>> thermistor >>> >>> lm90-i2c-0-4c >>> Adapter: SMBus Via Pro adapter at 5000 >>> temp1: +38.0°C (low = +0.0°C, high = +70.0°C) >>> (crit = +85.0°C, hyst = +75.0°C) >>> temp2: +63.1°C (low = +0.0°C, high = +70.0°C) >>> (crit = +85.0°C, hyst = +75.0°C) >>> >>> >>> If I can provide more information, let me know. >> OK, I give, what is the LM90 chip usually used for? > > Monitoring temperature. > >> I understand that temp1 is its own temperature. > > Yes it is. > >> Though is that basically the only use of an lm90 chip? To test one >> local and one remote temperature? > > Well, yes, that's a temperature monitoring chip, what else would you > want it to be used for? > Oh nothing specific, I was only unclear of its function as I had an ITE8705 _and_ an LM90 which seemed superfluous hence my question as to its purpose. >> What have people used in real world examples for this chip? Usually M/B >> temp and CPU temp? I see that temp2 jumps with the CPU temperature, I'm >> going to assume it's correct as it matches the BIOS readings and I will >> label it as such. > > Yes, temp1 = M/B temperature and temp2 = CPU temperature is the most > typical usage for LM90-like chips on mainboards. On graphics cards, > they are used as temp1 = card temperature and temp2 = GPU temperature. > >> Though the k8 temps measure each core. And... They're off by a few >> degrees (12C in the above example) so which should I take as correct? >> None of the above examples have compute lines so they seem to be as raw >> as lm-sensors believes them to be. > > The K8 internal sensors have not impressed us by their reliability so > far. See the note on http://www.lm-sensors.org/wiki/Devices and various > reports on this list. I can't connect to the lm-sensors.org site, it keeps timing out for the last few hours. I will attempt at reading the wiki entry later. Should I start looking for an offset to garner a better reading from the k8 sensors? > The LM90 temp1 reading should be accurate out of the box, no compute > statement needed. The LM90 temp2 reading might need an offset, > depending on the thermal diode model being used. Ideally, the BIOS > would have set it up properly, so that it itself reports accurate > temperature readings. I agree that the LM90 temp2 value is quite high > on your system, but I would tend to trust it, especially if the BIOS > reports the same. > > As in my other post to you, it's not exactly accurate, the manufacturer attempted a fix and broke the rest of the BIOS. I'm guessing with a compute line to reduce the reading by 10%. _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors