Re: MSI MS-9832 Sensor Help

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Hi Bryan,

On Wed, 27 Mar 2013 11:18:13 -0500, Bryan Guidroz wrote:
> First, I can't thank you enough for your help.
> I've learned quite a bit and that's always greatly appreciated.

You're welcome :)

> I've read the article and tried to understand it as best as I can.
> With your suggestions, the article, and the sample config I found that was similar, I've come up with the following config for this system.
> I did my best to take multiple samples (5 all together) and so far, everything seems to be pretty close.
> I also tried to vary the load of the system (using stress to try to raise cpu temps and fan speeds.)
> Unless you see something that's obviously incorrect or concerning, I think I'm gonna go with it.

This is good work, but see my comments below.

> Really, the biggest differences had to do with Vbat and VSB which I'm now ignoring in my conf.
> The BIOS HW monitor always displays Vbat and VSB at 3.42v where sensors has them slightly above or below.
> Guessing not a big deal and possibly normal behavior.

Yes it is OK, VSB and Vbat are secondary power sources, they don't have
to be as stable as +5V and +12V. 3.42V vs. 3.39V is completely fine.
Anyway these are internally scaled voltage inputs so you just can't get
them wrong.

> And, I realize my layout of this conf is probably not standard, but I put it in the order I was figuring it out with comments (some taken directly from your replies) to hopefully remind me of things if needed in the future.
> 
> -------------------------------------------------------
> [root@gateway ~]# nano /etc/sensors.d/MSI-MS-9832.conf
> chip "f71882fg-isa-0a10"
> 
> # Ignore - Voltage
> # The F71882FG uses an 8-bit, 8 mV LSB ADC for voltage monitoring.
> # This means that it can measure up to 2.04 V directly. This is the value
> # of in2, in3 and in6 on the MSI MS-9832, which means these inputs
> # are saturated. This means these inputs are unused.
> 
>    ignore in2
>    ignore in3
>    ignore in6
> 
> # Ignore - Fans
> # The MSI MS-9832 uses fan1 (CPU Fan) and fan2 (System Fan).
> # This means other fans are unused.
> 
>    ignore fan3
>    ignore fan4
> 
> # Ignore - Temps
> # The MSI MS-9832 uses temp1 (CPU temp) and temp3 (System temp).
> # This means temp2 is unused.
> 
>    ignore temp2
> 
> # Other - Voltages
> # in0 (+3.3v), in7 (3VSB), and in8 (Vbat) are internally monitored voltages
> # with internal dividers. This means the values are properly set and do not
> # need to be defined in this configuration as they should be reported properly.
> 
> # Voltages
>    label in1 "Vcore"
>    label in4 "+5V"
>    label in5 "+12V"
> 
>    compute in4  @*(1+200/47),  @/(1+200/47)
>    compute in5  @*(1+200/20),  @/(1+200/20)
> 
>    set in1_min  1.2 * 0.95
>    set in1_max  1.2 * 1.05
>    set in4_min  5.0 * 0.95
>    set in4_max  5.0 * 1.05
>    set in5_min 12.0 * 0.95
>    set in5_max 12.0 * 1.05

The F71882FG has only one voltage limit register and this is in1_max,
so everything else will cause a failure when running "sensors -s".

Also according to
http://ark.intel.com/products/35641/Intel-Atom-Processor-330-1M-Cache-1_60-GHz-533-MHz-FSB
the Vcore range for this CPU is 0.9V-1.1625V so in1_max should be set
to 1.1625 * 1.05.

> 
> # Fans
>    label fan1 "CPU Fan"
>    label fan2 "Sys Fan"
> 
>    set fan1_min 2100
>    set fan2_min 1400
> 
> # Temperatures
>    label temp1 "CPU Temp"
>    label temp3 "Sys Temp"
> 
>    set temp1_max   60
>    set temp1_max_hyst  58
>    set temp3_max   50
>    set temp3_hyst  48

Subfeature temp3_hyst doesn't exist, you meant temp3_max_hyst.

> --------------------------------------------------
> 
> Sensors now displays nearly identical results to BIOS HW monitor.
> 
> --------------------------------------------------
> [root@gateway ~]# sensors
> coretemp-isa-0000
> Adapter: ISA adapter
> Core 0:      +26.0°C  (high = +70.0°C, crit = +90.0°C) 
> Core 1:      +28.0°C  (high = +70.0°C, crit = +90.0°C) 
> 
> f71882fg-isa-0a10
> Adapter: ISA adapter
> +3.3V:       +3.42 V
> Vcore:       +1.16 V  (max =  +2.04 V)  
> +5V:         +5.09 V
> +12V:       +12.23 V
> 3VSB:        +3.39 V
> Vbat:        +3.41 V
> CPU Fan:    4587 RPM
> Sys Fan:    2901 RPM
> CPU Temp:    +46.0°C  (high = +85.0°C, hyst = +81.0°C) 
>                       (crit = +100.0°C, hyst = +96.0°C)  sensor = transistor
> Sys Temp:    +40.0°C  (high = +70.0°C, hyst = +68.0°C) 
>                       (crit = +85.0°C, hyst = +83.0°C)  sensor = transistor
> -------------------------------------------------------
> 
> Your thoughts?

That you did a good job :) So I added your configuration file (with the
fixes above) at:
http://www.lm-sensors.org/wiki/Configurations/MSI/IM-945GC
So other users can benefit. Thanks for your contribution!

-- 
Jean Delvare
http://khali.linux-fr.org/wishlist.html

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