Here is the output of sensors: root at bodhisattva jon]# sensors via686a-isa-6000 Adapter: ISA adapter 2.0V: +1.69 V (min = +0.33 V, max = +1.51 V) ALARM 2.5V: +2.51 V (min = +2.33 V, max = +3.00 V) 3.3V: +3.31 V (min = +4.01 V, max = +2.56 V) ALARM 5.0V: +5.13 V (min = +2.85 V, max = +1.76 V) ALARM 12V: +12.06 V (min = +15.36 V, max = +11.59 V) ALARM fan1: 3000 RPM (min = 2667 RPM, div = 2) fan2: 0 RPM (min = 3260 RPM, div = 2) temp1: +28.6?C (high = +47?C, hyst = +21?C) temp2: +26.6?C (high = +41?C, hyst = +101?C) temp3: +22.6?C (high = +48?C, hyst = +70?C) ------------------------------------------------------------------------------------------- I got the above sensors data after running sensors -s and then running sensors twice separated by at least five seconds, as recommended in the service response to another ticket with a similar problem reported. And here is the via686 section of /etc/sensors.conf. chip "via686a-*" # VIA is very specific about the voltage sensor inputs, and our labels # reflect what they say. Unfortunately, they are not at all specific about # how to convert any of the register values to real units. Fortunately, # Jonathan Yew <j.teh at iname.com> and Alex van Kaam <darkside at chello.nl> # came through with some data for temp conversion and formulae for voltage # conversion. However, the conversions should be regarded as our best guess- # YMMV. # On the Tyan S1598, the 2.5V sensor reads 0 and is not displayed in the BIOS. # Linas Vepstas <linas at linas.org> reports that this sensor shows nothing of # interest on the Abit KA7 (Athlon), and is also not displayed in the BIOS. # Likewise, Johannes Drechsel-Burkhard <jdb at chello.at> reports that this # sensor is unavailable in the BIOS of his MSI K7T Pro (Thunderbird). So, # if you have one of these boards you may want to uncomment the 'ignore 2.5V' # line below. label "2.0V" "CPU core" label "2.5V" "+2.5V" #ignore "2.5V" label "3.3V" "I/O" label "5.0V" "+5V" label "12V" "+12V" label fan1 "CPU Fan" label fan2 "P/S Fan" # VIA suggests that temp3 is an internal temp sensor for the 686a. However, # on the Tyan S1598 as well as the Abit KA7 (Athalon), the absolute values # of the readings from that sensor are not valid. The readings do seem to # correlate with temp changes, but the conversion factor may be quite # different from temp1 & temp2 (as noted above, VIA has not provided # conversion info). So, you may wish to 'ignore temp3'. # Johannes Drechsel-Burkhard <jdb at chello.at> notes that on his MSI K7T Pro, # temp1 is the CPU temp and temp2 is the SYS temp. Hugo van der Merwe notes # the same for his Gigabyte GA-7DXC, and Olivier Martin for his Gigabyte # GA-7ZM. label temp1 "CPU Temp" label temp2 "SYS Temp" label temp3 "SBr Temp" #ignore temp3 # Set your CPU core limits here. For the other voltage sensors, the # built-in defaults should be fine. set in0_min 2.0 set in0_max 2.5 # Set your temp limits here. Remember, 'tempX_over' is the temp at which an # alarm is triggered, and 'tempX_hyst' is the temp at which an alarm turns off. # Setting tempX_hyst to a few degrees below the corresponding tempX_over # prevents an oscillation between alarm on and off states. This kind of # oscillation is known as hyteresis, thus the name. (You typically get the # most serious and troublesome hysteresis when a sensor triggers something to # reduce the temp, thus creating a negative feedback loop. Even without that, # we would still get some oscillation when the temp hovers around the limit # due to noise.) set temp1_hyst 40 set temp1_over 45 set temp2_hyst 55 set temp2_over 60 set temp3_hyst 60 set temp3_over 65 # You could set your fan limits too, but the defaults should be fine. chip "via686a-*" # VIA is very specific about the voltage sensor inputs, and our labels # reflect what they say. Unfortunately, they are not at all specific about # how to convert any of the register values to real units. Fortunately, # Jonathan Yew <j.teh at iname.com> and Alex van Kaam <darkside at chello.nl> # came through with some data for temp conversion and formulae for voltage # conversion. However, the conversions should be regarded as our best guess- # YMMV. # On the Tyan S1598, the 2.5V sensor reads 0 and is not displayed in the BIOS. # Linas Vepstas <linas at linas.org> reports that this sensor shows nothing of # interest on the Abit KA7 (Athlon), and is also not displayed in the BIOS. # Likewise, Johannes Drechsel-Burkhard <jdb at chello.at> reports that this # sensor is unavailable in the BIOS of his MSI K7T Pro (Thunderbird). So, # if you have one of these boards you may want to uncomment the 'ignore 2.5V' # line below. label "2.0V" "CPU core" label "2.5V" "+2.5V" #ignore "2.5V" label "3.3V" "I/O" label "5.0V" "+5V" label "12V" "+12V" label fan1 "CPU Fan" label fan2 "P/S Fan" # VIA suggests that temp3 is an internal temp sensor for the 686a. However, # on the Tyan S1598 as well as the Abit KA7 (Athalon), the absolute values # of the readings from that sensor are not valid. The readings do seem to # correlate with temp changes, but the conversion factor may be quite # different from temp1 & temp2 (as noted above, VIA has not provided # conversion info). So, you may wish to 'ignore temp3'. # Johannes Drechsel-Burkhard <jdb at chello.at> notes that on his MSI K7T Pro, # temp1 is the CPU temp and temp2 is the SYS temp. Hugo van der Merwe notes # the same for his Gigabyte GA-7DXC, and Olivier Martin for his Gigabyte # GA-7ZM. label temp1 "CPU Temp" label temp2 "SYS Temp" label temp3 "SBr Temp" #ignore temp3 # Set your CPU core limits here. For the other voltage sensors, the # built-in defaults should be fine. set in0_min 2.0 set in0_max 2.5 # Set your temp limits here. Remember, 'tempX_over' is the temp at which an # alarm is triggered, and 'tempX_hyst' is the temp at which an alarm turns off. # Setting tempX_hyst to a few degrees below the corresponding tempX_over # prevents an oscillation between alarm on and off states. This kind of # oscillation is known as hyteresis, thus the name. (You typically get the # most serious and troublesome hysteresis when a sensor triggers something to # reduce the temp, thus creating a negative feedback loop. Even without that, # we would still get some oscillation when the temp hovers around the limit # due to noise.) set temp1_hyst 40 set temp1_over 45 set temp2_hyst 55 set temp2_over 60 set temp3_hyst 60 set temp3_over 65 # You could set your fan limits too, but the defaults should be fine. #set fan1_min 5000 #set fan2_min 5000 #set fan1_min 5000 #set fan2_min 5000