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SubjectRe: [lm-sensors] 3.10: NCT6776F sensor question with Supermicro X9SRL-F motherboard
On Wed, Jul 03, 2013 at 05:00:16PM -0400, Justin Piszcz wrote:
> Re-sending as text.
>
> From: Justin Piszcz [mailto:jpiszcz@lucidpixels.com]
> Sent: Wednesday, July 03, 2013 5:00 PM
> To: 'Guenter Roeck'
> Cc: linux-kernel@vger.kernel.org; lm-sensors@lm-sensors.org
> Subject: RE: [lm-sensors] 3.10: NCT6776F sensor question with Supermicro
> X9SRL-F motherboard
>
>
>
> -----Original Message-----
> From: Guenter Roeck [mailto:linux@roeck-us.net]
> Sent: Wednesday, July 03, 2013 4:57 PM
> To: Justin Piszcz
> Cc: linux-kernel@vger.kernel.org; lm-sensors@lm-sensors.org
> Subject: Re: [lm-sensors] 3.10: NCT6776F sensor question with Supermicro
> X9SRL-F motherboard
>
> [ .. ]
>
> > 09: 0a 00 00 00 00 0a 0a 0a 0a aa ef 80 ff 40 46 c4
> > 0a: 0e 01 00 00 ff 00 00 ff 00 00 80 66 66 06 01 01
>                                                 ^^
> This shows that PECI Agent 0 is supposed to be enabled.
>
> > Bank 2:
> >     00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
> > 00: 8c 32 00 01 01 33 01 3c ff 33 ff ff 00 ff ff ff
>       ^^
> This value suggests that the second temperature sensor (the one creating
> the alarm) is supposed to be the PECI source (which reports the CPU
> temperature
> to the NCT6776), and that it is supposed to be used to control the speed
> of the CPU fan.
>             ^^
> Fan control is in manual mode. Did you set this ?
> It is quite unusual.
>
> Setting:               
> Current FAN Mode is Optimal.
> Set Fan to Standard Speed
> Set Fan to Full Speed
> Set Fan to Optimal Speed
>
Maybe that translates into fixed speeds.

Guenter
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