[lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[SZENTE Balint]

[-- Attachment #1: Type: text/plain, Size: 893 bytes --]

Hello!


Attached you will find the configuration file for the Intel D2500CC
mini-ITX Desktop Board.

Output:

w83627uhg-isa-0290
Adapter: ISA adapter
Vcore:        +1.19 V  (min =  +0.40 V, max =  +1.60 V)
+3.3V:        +3.30 V  (min =  +3.00 V, max =  +3.61 V)
AVCC:         +5.03 V  (min =  +4.49 V, max =  +5.49 V)
+5V:          +5.03 V  (min =  +4.49 V, max =  +5.51 V)
+12V:        +12.19 V  (min = +10.18 V, max = +13.82 V)
Vdimm:        +1.50 V  (min =  +1.00 V, max =  +2.00 V)
5VSB:         +5.03 V  (min =  +4.49 V, max =  +5.49 V)
Vbat:         +3.33 V  (min =  +2.69 V, max =  +3.64 V)
System Fan:  1562 RPM  (min =  251 RPM, div = 32)
DIMM temp:    +54.0°C  (high = +80.0°C, hyst = +75.0°C)  sensor = thermal diode
VR temp:      +42.0°C  (high = +80.0°C, hyst = +75.0°C)  sensor = thermal diode

Please add it to the Wiki.

Regards,
Balint Szente

[-- Attachment #2: d2500cc.conf --]
[-- Type: text/plain, Size: 1222 bytes --]

# Intel D2500CC based on BIOS values
#

chip "w83627uhg-*"

    ignore  intrusion0

# Voltages

    # Processor Vcc
    label   in0            "Vcore"
    set     in0_min        0.40
    set     in0_max        1.60

    # +3.3V
    label   in1            "+3.3V"
    compute in1            3.2*@, @/3.2
    set     in1_min        3.00
    set     in1_max        3.60

    # +5.0V
    label   in3            "+5V"
    set     in3_min        4.60
    set     in3_max        5.40

    # +12.0V
    label   in4            "+12V"
    compute in4            12*@, @/12
    set     in4_min        10.20
    set     in4_max        13.80

    # Memory Vcc
    label   in5            "Vdimm"
    set     in5_min        1.00
    set     in5_max        2.00

    # +5.0V Standby
    label   in7            "5VSB"
    set     in7_min        4.60
    set     in7_max        5.40

# Fans

    label   fan1           "System Fan"
    set     fan1_min       250
    ignore  fan2

# Temperatures

    # Memory Temperature
    label   temp1          "DIMM temp"
    set     temp1_max      80
    set     temp1_max_hyst 75

    # VR Temperature
    label   temp2          "VR temp"
    set     temp2_max      80
    set     temp2_max_hyst 75

[-- Attachment #3: Type: text/plain, Size: 153 bytes --]

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Re: [lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[Jean Delvare]

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Re: [lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[SZENTE Balint]

Hello Jean!


Thanks for your observations. Please find my answers below.

On Wed, 29 May 2013 14:31:03 +0200
Jean Delvare <khali@linux-fr.org> wrote:

> [...]
> > chip "w83627uhg-*"
> > 
> >     ignore  intrusion0
> 
> If this feature missing on the board itself, or only on your chassis?
> If it is present on the board then we don't want to ignore it in the
> configuration file present in the wiki.

I think it is actually missing from the board itself. I did not find
any connector on the mainboard itself. Similar to the second fan input.
I kindly ask you to verify it:
<http://www.intel.com/support/motherboards/desktop/d2500cc/sb/CS-032623.htm>
Chapter 1.10.1 -- Hardware Monitoring

> [...]
> >     # Processor Vcc
> >     label   in0            "Vcore"
> >     set     in0_min        0.40
> >     set     in0_max        1.60

Vcore is special. I noticed that it changes with SpeedStep (for
example on D2800). However D2500 does not have SpeedStep. It is
constantly on 1.19V. In case of D2800 for example it varies
between 0.85V and 1.07V depending on the load.
What would you recommend for min/max?

> > 
> >     # +3.3V
> >     label   in1            "+3.3V"
> >     compute in1            3.2*@, @/3.2
> >     set     in1_min        3.00
> >     set     in1_max        3.60
> > 
> >     # +5.0V
> >     label   in3            "+5V"
> >     set     in3_min        4.60
> >     set     in3_max        5.40
> > 
> >     # +12.0V
> >     label   in4            "+12V"
> >     compute in4            12*@, @/12
> >     set     in4_min        10.20
> >     set     in4_max        13.80
> 
> These +3.3V, +5V and +12V limits are way beyond the +/- 5% specified
> by ATX.

I fully agree with you. I take these limits from the BIOS factory
default values. Also without giving the min/max, the default range form
the driver is almost the same. Please fix the wiki and write for all of
them to <nominal value> *0.95 and *1.05, as you said.

> > 
> >     # Memory Vcc
> >     label   in5            "Vdimm"
> >     set     in5_min        1.00
> >     set     in5_max        2.00
> 
> These limits make no sense, it's hardly better than having no limits
> at all. If the board is using DDR3 memory modules, you should use:
> 
>     set     in5_min        1.5 * 0.95
>     set     in5_max        1.5 * 1.05

Yes it is DDR3. See the above for explanation. Please apply your
correction to the wiki page.

> >     # +5.0V Standby
> >     label   in7            "5VSB"
> >     set     in7_min        4.60
> >     set     in7_max        5.40
> > 
> > # Fans
> > 
> >     label   fan1           "System Fan"
> >     set     fan1_min       250
> >     ignore  fan2

Fan 2 is missing from the board, so I ignored it.

Thank you.

Regards,
Balint

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Re: [lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[Jean Delvare]

On Wed, 29 May 2013 16:30:13 +0300, SZENTE Balint wrote:
> On Wed, 29 May 2013 14:31:03 +0200
> Jean Delvare <khali@linux-fr.org> wrote:
> 
> > [...]
> > > chip "w83627uhg-*"
> > > 
> > >     ignore  intrusion0
> > 
> > If this feature missing on the board itself, or only on your chassis?
> > If it is present on the board then we don't want to ignore it in the
> > configuration file present in the wiki.
> 
> I think it is actually missing from the board itself. I did not find
> any connector on the mainboard itself. Similar to the second fan input.
> I kindly ask you to verify it:
> <http://www.intel.com/support/motherboards/desktop/d2500cc/sb/CS-032623.htm>
> Chapter 1.10.1 -- Hardware Monitoring

Couldn't find anything related either.

> > [...]
> > >     # Processor Vcc
> > >     label   in0            "Vcore"
> > >     set     in0_min        0.40
> > >     set     in0_max        1.60
> 
> Vcore is special. I noticed that it changes with SpeedStep (for
> example on D2800). However D2500 does not have SpeedStep. It is
> constantly on 1.19V. In case of D2800 for example it varies
> between 0.85V and 1.07V depending on the load.
> What would you recommend for min/max?

As it depends on the CPU it is hard to say. The user will have to
adjust them anyway so I'll leave the values above.

> > > 
> > >     # +3.3V
> > >     label   in1            "+3.3V"
> > >     compute in1            3.2*@, @/3.2
> > >     set     in1_min        3.00
> > >     set     in1_max        3.60
> > > 
> > >     # +5.0V
> > >     label   in3            "+5V"
> > >     set     in3_min        4.60
> > >     set     in3_max        5.40
> > > 
> > >     # +12.0V
> > >     label   in4            "+12V"
> > >     compute in4            12*@, @/12
> > >     set     in4_min        10.20
> > >     set     in4_max        13.80
> > 
> > These +3.3V, +5V and +12V limits are way beyond the +/- 5% specified
> > by ATX.
> 
> I fully agree with you. I take these limits from the BIOS factory
> default values. Also without giving the min/max, the default range form
> the driver is almost the same. Please fix the wiki and write for all of
> them to <nominal value> *0.95 and *1.05, as you said.

Done.

> (...)
> Yes it is DDR3. See the above for explanation. Please apply your
> correction to the wiki page.

Done.

-- 
Jean Delvare

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Re: [lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[SZENTE Balint]

Hello Jean!

On Wed, 29 May 2013 17:05:47 +0200
Jean Delvare <khali@linux-fr.org> wrote:

> > > [...]
> > > >     # Processor Vcc
> > > >     label   in0            "Vcore"
> > > >     set     in0_min        0.40
> > > >     set     in0_max        1.60
> > 
> > Vcore is special. I noticed that it changes with SpeedStep (for
> > example on D2800). However D2500 does not have SpeedStep. It is
> > constantly on 1.19V. In case of D2800 for example it varies
> > between 0.85V and 1.07V depending on the load.
> > What would you recommend for min/max?
> 
> As it depends on the CPU it is hard to say. The user will have to
> adjust them anyway so I'll leave the values above.

I have read the relevant parts from the Intel Atom Datasheet and I
believe now I figured out what should be the limits.

Table 4-30 from the "Intel Atom Processor D2000 and N2000 Series
Datasheet, Vol. 1" contains two voltage specifications
<http://www-ssl.intel.com/content/dam/doc/datasheet/atom-d2000-n2000-vol-1-datasheet.pdf>:

 VCC_HFM:
  - Vcc at Highest Frequency Mode (HFM)
  - Range 0.91V - 1.21V, depending on the calibrated individual
    voltage identification value (VID)

 VCC_LFM: only for CPUs with SpeedStep feature
  - Vcc at Lowest Frequency Mode (LFM)
  - Range 0.70/0.75 - 0.90V, depending on VID

The Intel D2500CC mini-ITX board has an Intel Atom D2500 soldered on
it which lacks the SpeedStep technology, so one can say that the proper
Vcore limits for this specific mainboard are:

label   in0            "Vcore"
set     in0_min        0.91
set     in0_max        1.21

Can you fix this on the Wiki page?

Thank you for your support.

Regards,
Balint

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Re: [lm-sensors] Configuration file for Intel D2500CC mini-ITX board

[Jean Delvare]

On Thu, 30 May 2013 10:40:42 +0300, SZENTE Balint wrote:
> I have read the relevant parts from the Intel Atom Datasheet and I
> believe now I figured out what should be the limits.
> 
> Table 4-30 from the "Intel Atom Processor D2000 and N2000 Series
> Datasheet, Vol. 1" contains two voltage specifications
> <http://www-ssl.intel.com/content/dam/doc/datasheet/atom-d2000-n2000-vol-1-datasheet.pdf>:
> 
>  VCC_HFM:
>   - Vcc at Highest Frequency Mode (HFM)
>   - Range 0.91V - 1.21V, depending on the calibrated individual
>     voltage identification value (VID)
> 
>  VCC_LFM: only for CPUs with SpeedStep feature
>   - Vcc at Lowest Frequency Mode (LFM)
>   - Range 0.70/0.75 - 0.90V, depending on VID
> 
> The Intel D2500CC mini-ITX board has an Intel Atom D2500 soldered on
> it which lacks the SpeedStep technology, so one can say that the proper
> Vcore limits for this specific mainboard are:
> 
> label   in0            "Vcore"
> set     in0_min        0.91
> set     in0_max        1.21
> 
> Can you fix this on the Wiki page?

Done, thanks for the update!

-- 
Jean Delvare

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