Re: Sensors configuration for Gigabyte GA-945GCM-S2L

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Hi Ian,

On Thu, 20 Feb 2014 10:29:42 -0800 (PST), ianp wrote:
> ### Sensors configuration for Gigabyte GA-945GCM-S2L motherboard
> ### 2014-02-21, ianp <snailbox88-dev -at- yahoo -dot- com>
> ### Thanks to Jean Delvare
> ### Comments are welcome.
> 
> 
> chip "it8718-*"
> 
> ### Voltages
> 
>    label  in0  "Vcore"
>    label  in1  "Vram"    # "DDR18V" in BIOS
>    label  in2  "+3.3V"
>    ignore in3            # no +5V monitor, not used
>    label  in4  "+12V"
>    ignore in5            # these inputs
>    ignore in6            # are not used
>    ignore in7            # by the board
> 
>    ### Scale +12V.
> 
>    compute  in4  @*3.9633,  @/3.9633
> 
>    ### Set in0 according to CPU VID voltage range.
>    ### Set min and max values according to preference.
> 
>    set in0_min  0.850
>    set in0_max  1.362
>    set in1_min  1.8
>    set in1_max  1.9

1.8 V is the nominal value for DDR2, so setting in1_min to 1.8 seems
risky. I would simply use:

   set in1_min  1.8 * 0.95
   set in1_max  1.8 * 1.05

as with every other voltage.

>    set in2_min  3.3 * 0.95
>    set in2_max  3.3 * 1.05
>    set in4_min   12 * 0.95
>    set in4_max   12 * 1.05
> 
> ### Temperatures
> 
>    ### Ignore temp1 and temp2 as those aren't used.
> 
>    ignore temp1
>    ignore temp2
>    label  temp3  "CPU Temp"
> 
>    ### Set according to CPU.
> 
>    set temp3_min 20
>    set temp3_max 55

These are fairly strict limits. There's no reason why the CPU couldn't
operate below 20°C, at least down to 10°C. Values below 20°C are
possible right after boot, or when using water-cooling.

Likewise, these CPUs can run over 55°C without trouble. I would allow
at least 60°C to avoid triggering the alarm too frequently.

> ### Fans
> 
>    ### Ignore fan3 as it isn't used.
> 
>    label  fan1  "CPU Fan"
>    label  fan2  "CHA Fan"
>    ignore fan3
> 
>    ### Set according to preference.
> 
>    set fan1_min 900
>    set fan2_min 0

Added to the wiki as:
http://www.lm-sensors.org/wiki/Configurations/Gigabyte/GA-945GCM-S2L

Thanks for your contribution!

-- 
Jean Delvare
Suse L3 Support

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