[lm-sensors] missing fan RPMS
bjlockie at lockie.ca
Mon May 14 03:58:18 CEST 2012
On 05/13/12 20:48, Guenter Roeck wrote:
> On Sun, May 13, 2012 at 08:08:28PM -0400, James wrote:
> [ ... ]
>>> +3.3V: +3.33 V (min = +0.00 V, max = +0.00 V) ALARM
>>> in4: +1.58 V (min = +0.00 V, max = +0.00 V) ALARM
>>> in5: +1.70 V (min = +0.00 V, max = +0.00 V) ALARM
>>> 3VSB: +3.46 V (min = +0.00 V, max = +0.00 V) ALARM
>>> Vbat: +3.36 V (min = +0.00 V, max = +0.00 V) ALARM
>>> fan1: 1369 RPM (min = 0 RPM) ALARM
>>> fan2: 0 RPM (min = 0 RPM) ALARM
>>> fan3: 0 RPM (min = 0 RPM) ALARM
>>> fan4: 0 RPM (min = 0 RPM) ALARM
>>> fan5: 0 RPM (min = 0 RPM) ALARM
>>> SYSTIN: +36.0 C (high = +0.0 C, hyst = +0.0 C) ALARM sensor = thermistor
>>> CPUTIN: +35.0 C (high = +80.0 C, hyst = +75.0 C) sensor = thermistor
>>> AUXTIN: -2.0 C (high = +80.0 C, hyst = +75.0 C) sensor = thermistor
>>> PCH_CHIP_TEMP: +0.0 C
>>> PCH_CPU_TEMP: +0.0 C
>>> PCH_MCH_TEMP: +0.0 C
>>> cpu0_vid: +0.000 V
>>> intrusion0: ALARM
>>> intrusion1: ALARM
>>> It is labelled 'Chassis fan connector 1" by the motherboard manual.
>>> The other is 'Chassis fan 3'
>>> The difference is fan1 is 3 pin and fan3 is 4 pin.
>>> I will try moving the 4 pin over so it is only using 3 pins.
>>> lm-sensors mailing list
>>> lm-sensors at lm-sensors.org
>> Both fans connected but only one shows up.
> Yes, I think that is exactly the problem. Looks like the board uses a multiplexer
> to connect multiple fans to the same fan sensor input. Which makes it all but impossible
> for third parties (like Linux) to implement working fan control. Really annoying,
> especially since the NCT6776F has really a lot of fan sensor inputs available.
> At least some of the other boards from the same vendor have lots of fan connectors.
> Did you try all of them ?
If they are multiplexed, it is weird I didn't at least get 2 numbers when I was moving them around.
I tried all the plugs on the motherboard.
If I get the information from ASRock about how to read the fan speeds, could I make a config file specific to this motherboard?
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