[lm-sensors] Configuration for Gigabyte Z77-D3H

[lm-sensors] Configuration for Gigabyte Z77-D3H

[Mathias Gerber]

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Hi Folks

Finally I could demystify most of the sensor values for this mainboard.
My configuration file is attached to this email.

Not clear is the temp1 reading. Should be PCH temp AFAIK.
But here I read most of the time 32°C or sometimes 33°C.
- -- 
kind regards
 mathias
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chip "acpitz-virtual-0"
    ignore temp1 # stays always at 27.8°C
    ignore temp2 # dito

chip "it8728-*"

    label in0 "0: CPU Vtt"
    set in0_min 1.02    # I'm liberal with these, 2-3% tops
    set in0_max 1.08    # after that, cpu gets very unstable

    label in1 "1: +3.3V"
    set in1_min 3.3 * 0.95    # Some boards including GA-H67MA-UD2H
    set in1_max 3.3 * 1.05    # don't have 3.3V voltage reading
    compute in1 1.649*@,@/1.649 # multipliers provided by Martin Malik author of hwinfo

    label in2 "2: +12V"
    set in2_min 12 * 0.95
    set in2_max 12 * 1.05
    compute  in2  @ * (72/12), @ / (72/12) #mg,15.05.13

    label in3 "3: +5V"
    set in3_min 5 * 0.95
    set in3_max 5 * 1.05
    compute in3 2.5*@,@/2.5

    label in4 "4: Vaxg"	# Voltage used by the video controller embedded inside the CPU
    set in4_min 0.4
    set in4_max 1.4

    label in5 "5: Vcore"
    set in5_min 0.825 * 0.95
    set in5_max 1.425 * 1.05

    label in6 "6: Vdram"
    set in6_min 1.5 * 0.95    # adjust these, 1.35 for LVDDR3
    set in6_max 1.5 * 1.05    # 1.5V is recommended, 1.65 tops
     
    label in7 "7: 3VSB"
    set in7_min 3.00 * 0.95
    set in7_max 3.00 * 1.05

    label in8 "8: Vbat"
    set in8_min  3.0 * 0.90
    set in8_max  3.0 * 1.10

### fan

    label fan1 "CPU fan"
    set fan1_min 700

    ignore fan2 # comment if connected
    label fan2 "Sys1 fan"
    set fan2_min 0

    label fan3 "Sys2 fan"
    set fan3_min 200 

    label fan4 "Sys3 fan"
    set fan4_min 200 

    ignore fan5 # comment if connected
    label fan5 "Sys4 fan"
    set fan5_min 0 

### temperatures

    label temp1 "PCH temp??" # shows always 33°C
    set temp1_min 10
    set temp1_max 60

    ignore temp2
    label temp2 "MB temp??" # shows always 25°C
    set temp2_min 0
    set temp2_max 60

    label temp3 "CPU temp"
    set temp3_min 10
    set temp3_max 85

    ignore intrusion0 # activate if in use

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Re: [lm-sensors] Configuration for Gigabyte Z77-D3H

[Jean Delvare]

Hi Mathias,

On Mon, 13 Jan 2014 21:49:13 +0100, Mathias Gerber wrote:
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> Hash: SHA1
> 
> Hi Folks
> 
> Finally I could demystify most of the sensor values for this mainboard.
> My configuration file is attached to this email.
> 
> Not clear is the temp1 reading. Should be PCH temp AFAIK.
> But here I read most of the time 32°C or sometimes 33°C.

Did you compare with what the BIOS says? It shows only two temperature
AFAIK, CPU and M/B. I would bet that temp1 actually us the M/B
temperature and temp2 isn't wired (25°C is the "neutral" temperature of
thermistor setups typically.)

> chip "acpitz-virtual-0"
>     ignore temp1 # stays always at 27.8°C
>     ignore temp2 # dito
> 
> chip "it8728-*"
> 
>     label in0 "0: CPU Vtt"

I've dropped all the prefixes in voltage labels.

What makes you think this is Vtt and not Vcore? Almost all boards have
Vcore on in0.

>     set in0_min 1.02    # I'm liberal with these, 2-3% tops
>     set in0_max 1.08    # after that, cpu gets very unstable
> 
>     label in1 "1: +3.3V"
>     set in1_min 3.3 * 0.95    # Some boards including GA-H67MA-UD2H
>     set in1_max 3.3 * 1.05    # don't have 3.3V voltage reading
>     compute in1 1.649*@,@/1.649 # multipliers provided by Martin Malik author of hwinfo

Couldn't you figure it out from the BIOS?

>     label in2 "2: +12V"
>     set in2_min 12 * 0.95
>     set in2_max 12 * 1.05
>     compute  in2  @ * (72/12), @ / (72/12) #mg,15.05.13
> 
>     label in3 "3: +5V"
>     set in3_min 5 * 0.95
>     set in3_max 5 * 1.05
>     compute in3 2.5*@,@/2.5
>
>     label in4 "4: Vaxg"	# Voltage used by the video controller embedded inside the CPU
>     set in4_min 0.4
>     set in4_max 1.4
> 
>     label in5 "5: Vcore"
>     set in5_min 0.825 * 0.95
>     set in5_max 1.425 * 1.05
> 
>     label in6 "6: Vdram"
>     set in6_min 1.5 * 0.95    # adjust these, 1.35 for LVDDR3
>     set in6_max 1.5 * 1.05    # 1.5V is recommended, 1.65 tops
>      
>     label in7 "7: 3VSB"
>     set in7_min 3.00 * 0.95
>     set in7_max 3.00 * 1.05

3VSB is normally 3.3V so these limits look wrong.

Does the it87 driver say anything about voltage mapping when you load
it? If in7 us 3VSB it should already be labeled properly.

> 
>     label in8 "8: Vbat"
>     set in8_min  3.0 * 0.90
>     set in8_max  3.0 * 1.10
> 
> ### fan
> 
>     label fan1 "CPU fan"
>     set fan1_min 700
> 
>     ignore fan2 # comment if connected
>     label fan2 "Sys1 fan"
>     set fan2_min 0
> 
>     label fan3 "Sys2 fan"
>     set fan3_min 200 
> 
>     label fan4 "Sys3 fan"
>     set fan4_min 200 
> 
>     ignore fan5 # comment if connected
>     label fan5 "Sys4 fan"
>     set fan5_min 0 
> 
> ### temperatures
> 
>     label temp1 "PCH temp??" # shows always 33°C
>     set temp1_min 10
>     set temp1_max 60
> 
>     ignore temp2
>     label temp2 "MB temp??" # shows always 25°C
>     set temp2_min 0
>     set temp2_max 60
> 
>     label temp3 "CPU temp"
>     set temp3_min 10
>     set temp3_max 85
> 
>     ignore intrusion0 # activate if in use

Current version of the configuration file is here:
http://www.lm-sensors.org/wiki/Configurations/Gigabyte/Z77-D3H

Thanks for your contribution.

-- 
Jean Delvare
Suse L3 Support

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Re: [lm-sensors] Configuration for Gigabyte Z77-D3H

[Mathias Gerber]

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Hi Jean

On 21.02.2014 11:21, Jean Delvare wrote:
> I've dropped all the prefixes in voltage labels.
k

> What makes you think this is Vtt and not Vcore? Almost all boards
> have Vcore on in0.
The actual reading is 1.07V, and if I change the CPU Vtt Voltage in
the BIOS, the value also changes according.
The same feature was in discussion on the AIDA forums [1] for almost
the same mainboard.

>> compute in1 1.649*@,@/1.649 # multipliers provided by Martin
>> Malik author of hwinfo
> Couldn't you figure it out from the BIOS?
As I installed the mainboard I found the factor in the wiki [2] from a
board with the same hwmon chip. With this my BIOS and lm-sensors
readings matched (BIOS: 3.304, lm-sensors -u: 3.305) So I did no
further investigations.

But now since you asked my I tried to accept the challenge ;-) Sadly
I'm very confused now.. I tried to find as many 3.3V BIOS readings
from the same or similar boards and found the following:
U [V]	U_Delta [V]	Ref URL
3.284	
3.304	0.02
3.324	0.02
3.344	0.02		[3]
3.363	0.019		[4]
3.383	0.02
3.423	0.04

Very confusing measurements, especially the step after 3.363V upwards!
With all these measurements I assumed a 0.02V step in the reading and
calculated the factor (20 / 12) which leads to an too high reading
(3.340 instead of 3.304V)
With an assumed step of 0.019V the reading is to low (3.173V instead
of 3.304V)
Calculated reverse the BIOS reading and the unscaled lm-sensors output
(3.304*12/2.004) I get an (19.78 / 12) factor which leads me to an
almost corresponding reading to the BIOS value in sensors (3.303V)
But the scale seems to have an strange stepping anyway.. Have you seen
this before?

>> set in7_min 3.00 * 0.95 set in7_max 3.00 * 1.05
> 3VSB is normally 3.3V so these limits look wrong.
You're right, my fault.

  set in7_min 3.3 * 0.95
  set in7_max 3.3 * 1.05

Actual reading here in7_input: 3.384

> Does the it87 driver say anything about voltage mapping when you
> load it? If in7 us 3VSB it should already be labeled properly.
Yes it is.

>> label temp1 "PCH temp??" # shows always 33°C set temp1_min 10 set
>> temp1_max 60
I monitored these temperatures after a cold boot and this value seems
to match the "System temperature" in the BIOS health status.

    label temp1 "System temp"
    set temp1_min 10
    set temp1_max 60

>> ignore temp2 label temp2 "MB temp??" # shows always 25°C set
>> temp2_min 0 set temp2_max 60
Checked this temp again. Found that on the GA-Z77X-D3H this is PCH
temperature. On this board it has also an BIOS reading for it, I dont.

> Current version of the configuration file is here: Thanks for your
> contribution.
Thank you!

[1]
> http://forums.aida64.com/topic/741-gigabyte-z77x-d3h-sensor-readings/#entry4377

[2]
> 
http://www.lm-sensors.org/wiki/Configurations/Gigabyte/H67MA-UD2H

[3]
> http://www.hardwareluxx.de/community/f219/gigabyte-ga-z77x-d3h-ud3h-udh3-wb-wifi-ud5h-ud5h-wb-wifi-z77-882581-36.html#post18864263

[4]
>
> 
http://www.overclockers.ru/lab/47769_3/Obzor_i_testirovanie_materinskoj_platy_Gigabyte_GA-Z77-D3H.html
- -- 
kind regards
 Mathias
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Re: [lm-sensors] Configuration for Gigabyte Z77-D3H

[Jean Delvare]

Hi Mathias,

On Sat, 22 Feb 2014 02:29:48 +0100, Mathias Gerber wrote:
> On 21.02.2014 11:21, Jean Delvare wrote:
> > What makes you think this is Vtt and not Vcore? Almost all boards
> > have Vcore on in0.
> The actual reading is 1.07V, and if I change the CPU Vtt Voltage in
> the BIOS, the value also changes according.
> The same feature was in discussion on the AIDA forums [1] for almost
> the same mainboard.

OK.

> >> compute in1 1.649*@,@/1.649 # multipliers provided by Martin
> >> Malik author of hwinfo
> > Couldn't you figure it out from the BIOS?
> As I installed the mainboard I found the factor in the wiki [2] from a
> board with the same hwmon chip. With this my BIOS and lm-sensors
> readings matched (BIOS: 3.304, lm-sensors -u: 3.305) So I did no
> further investigations.
>
> But now since you asked my I tried to accept the challenge ;-) Sadly
> I'm very confused now.. I tried to find as many 3.3V BIOS readings
> from the same or similar boards and found the following:

Beware of "similar boards". We've seen boards with almost the same name
that had slightly different monitoring setups. Sometimes even different
hardware revisions of the same board can differ in the details. I seem
to recall I've even seen once a BIOS update which changed one scaling
factor as apparently is was wrong originally.

> U [V]	U_Delta [V]	Ref URL
> 3.284	
> 3.304	0.02
> 3.324	0.02
> 3.344	0.02		[3]
> 3.363	0.019		[4]
> 3.383	0.02
> 3.423	0.04
> 
> Very confusing measurements, especially the step after 3.363V upwards!
> With all these measurements I assumed a 0.02V step in the reading and
> calculated the factor (20 / 12) which leads to an too high reading
> (3.340 instead of 3.304V)
> With an assumed step of 0.019V the reading is to low (3.173V instead
> of 3.304V)
> Calculated reverse the BIOS reading and the unscaled lm-sensors output
> (3.304*12/2.004) I get an (19.78 / 12) factor which leads me to an
> almost corresponding reading to the BIOS value in sensors (3.303V)

You should keep a lot of decimals when searching for the scaling
factor. 3.304*12/2.004 is really 19.784431, not 19.78. And 19.78443 /
12 is closer to 1.649 (Martin Malik's value) than 1.648 (which leads to
3.303 V, not matching the BIOS.)

> But the scale seems to have an strange stepping anyway.. Have you seen
> this before?

Yes, we've seen this before, in particular on Gigabyte boards. See the
+12V scaling factor here for example:
http://www.lm-sensors.org/wiki/Configurations/Gigabyte/GA-945GCM-S2L

Martin Malik's 1.649 actually looks good to me, as it maps register
values to exactly all the BIOS values you listed above. So let's stick
to it.

> >> set in7_min 3.00 * 0.95 set in7_max 3.00 * 1.05
> > 3VSB is normally 3.3V so these limits look wrong.
> You're right, my fault.
> 
>   set in7_min 3.3 * 0.95
>   set in7_max 3.3 * 1.05
> 
> Actual reading here in7_input: 3.384

OK, fixed in the wiki.

> > Does the it87 driver say anything about voltage mapping when you
> > load it? If in7 us 3VSB it should already be labeled properly.
> Yes it is.

OK, fixed. Are there other pre-labelled voltage inputs?

> >> label temp1 "PCH temp??" # shows always 33°C set temp1_min 10 set
> >> temp1_max 60
> I monitored these temperatures after a cold boot and this value seems
> to match the "System temperature" in the BIOS health status.
> 
>     label temp1 "System temp"
>     set temp1_min 10
>     set temp1_max 60

OK, wiki updated.

> >> ignore temp2 label temp2 "MB temp??" # shows always 25°C set
> >> temp2_min 0 set temp2_max 60
> Checked this temp again. Found that on the GA-Z77X-D3H this is PCH
> temperature. On this board it has also an BIOS reading for it, I dont.
> 
> > Current version of the configuration file is here: Thanks for your
> > contribution.
> Thank you!

-- 
Jean Delvare
Suse L3 Support

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Re: [lm-sensors] Configuration for Gigabyte Z77-D3H

[Mathias Gerber]

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Hi Jean

On 22.02.2014 10:13, Jean Delvare wrote:
> Beware of "similar boards". We've seen boards with almost the same
> name that had slightly different monitoring setups. Sometimes even
> different hardware revisions of the same board can differ in the
> details. I seem to recall I've even seen once a BIOS update which
> changed one scaling factor as apparently is was wrong originally.
Ok, good to know!

> You should keep a lot of decimals when searching for the scaling 
> factor. 3.304*12/2.004 is really 19.784431, not 19.78. And 19.78443
> / 12 is closer to 1.649 (Martin Malik's value) than 1.648 (which
> leads to 3.303 V, not matching the BIOS.)
Ok, I fixed it in my local config. I set it now to:
compute in1 @ * (19.78443114/12), @ / (19.78443114/12)
with all decimal places.

> OK, fixed in the wiki.
Thanks

> OK, fixed. Are there other pre-labelled voltage inputs?
Yes, in8 (Vbat) is also labelled. The rest is not.

$ sensors --version
sensors version 3.3.1 with libsensors version 3.3.1

By the way, temp1_input seems to change its value, it does not stay
always at 33°C.
Upon bootup I saw values around 25°C, climbing up to 33°C but then
does not change anymore. Under load or not..

Thanks
- -- 
kind regards
 Mathias
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