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From: John Doe on 10 Feb 2010 07:57
I have the same problem with the Q9550 stock CPU fan as I did with
the E6850, the fan stays at 1160 rpm while the CPU temperature goes
to 75�C. Maybe my mainboard/motherboard is faulty? Something obvious
in the BIOS that I am missing? Last time, I clipped the blue fan wire
(one of four) and that seemed to help, the CPU fan increased when the
CPU temperature increased.

Thanks.
From: Paul on 10 Feb 2010 12:14
John Doe wrote:
> I have the same problem with the Q9550 stock CPU fan as I did with
> the E6850, the fan stays at 1160 rpm while the CPU temperature goes
> to 75�C. Maybe my mainboard/motherboard is faulty? Something obvious
> in the BIOS that I am missing? Last time, I clipped the blue fan wire
> (one of four) and that seemed to help, the CPU fan increased when the
> CPU temperature increased.
>
> Thanks.

Is there a setting in the BIOS for QST ? That is a fan control system
which is inside the chipset. On older motherboards, fan control is
done totally by the SuperI/O chip (a chip separate from the chipset).
Intel added QST and uses the Management Engine, a small micro inside
the Northbridge/Southbridge chipset.

There is a note in your manual...

"INTEGRATOR�S NOTE

Regardless of the memory configuration used (dual channel, single channel,
or flex mode), DIMM 0 of Channel A must always be populated. This is a
requirement of the Intel Management Engine in ICH9R."

That is the DIMM slot nearest to the processor. If you're using two sticks
of RAM, one stick would go in that slot, plus a matching stick installed
on the other channel. The Management Engine steals a small amount of RAM
from DIMM 0, to hold code to control the fans. Your BIOS chip would have two
code images, one loaded by the Management Engine, the other by the main processor.

Since the motherboard manual doesn't describe the BIOS screens, I don't know
what options are available to you. On a Gigabyte board, they have an option
to disable QST, and I think that makes the fans run full speed.

Paul
From: John Doe on 10 Feb 2010 17:24
Paul <nospam(a)needed.com> wrote:

....

> Is there a setting in the BIOS for QST ? That is a fan control
> system which is inside the chipset. On older motherboards, fan
> control is done totally by the SuperI/O chip (a chip separate
> from the chipset). Intel added QST and uses the Management
> Engine, a small micro inside the Northbridge/Southbridge
> chipset.
>
> There is a note in your manual...
>
> "INTEGRATOR�S NOTE
>
> Regardless of the memory configuration used (dual channel,
> single channel, or flex mode), DIMM 0 of Channel A must always
> be populated."

It is, all memory slots are used.

> Since the motherboard manual doesn't describe the BIOS screens,
> I don't know what options are available to you. On a Gigabyte
> board, they have an option to disable QST, and I think that
> makes the fans run full speed.

According to my PDF document "BIOS Settings Glossary,
biosglossarybymenu_v09.pdf", there should be "Unlock Intel(R) QST"
in my DP35DP BIOS under "Advanced > Fan Control Configuration
Menu", but there is no mention of QST.

I have a temporary workaround or two, so it is no big deal. Also, I
might try the Intel utilities "itoolkit" and the "IIA", whatever those
are, apparently they provide some lower level mainboard management. I
was contemplating taking a look at them anyway.
From: Paul on 10 Feb 2010 19:34
John Doe wrote:

>
> According to my PDF document "BIOS Settings Glossary,
> biosglossarybymenu_v09.pdf", there should be "Unlock Intel(R) QST"
> in my DP35DP BIOS under "Advanced > Fan Control Configuration
> Menu", but there is no mention of QST.
>
> I have a temporary workaround or two, so it is no big deal. Also, I
> might try the Intel utilities "itoolkit" and the "IIA", whatever those
> are, apparently they provide some lower level mainboard management. I
> was contemplating taking a look at them anyway.

I have a Gigabyte motherboard manual (GA-P35-DS3) in my collection, and this is
from their BIOS page.

*******
Smart FAN Control Method

Specifies how to control CPU fan speed.

Auto Lets BIOS control CPU fan speed. (Default)

Intel QST Allows CPU fan speed to be controlled by the
Intel Quiet System Technology (QST). This feature
requires the installation of Intel Host Embedded
Control Interface (HECI) driver from the motherboard
driver disk.

Legacy Allows CPU fan to run at different speed according
to the CPU temperature.

Disabled Forces CPU fan to run at full speed.
*******

I have no clue, as to why you'd need a "HECI driver". That implies
the control method depends on the host CPU. I thought QST relied
on the Management Engine, which should need no driver. Unless
the HECI driver allows controlling QST from the OS ?

For example, I found some software here. Maybe this will work. (I checked
inside this, and it is just a driver. No utility with GUI is provided.)

"Intel ME: Management Engine Driver for Intel 3 Series Chipset-Based Desktop Boards"

http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=13477&ProdId=2782&lang=eng

DP35DP

HTH,
Paul
From: Paul on 10 Feb 2010 19:50
Paul wrote:
> John Doe wrote:
>
>>
>> According to my PDF document "BIOS Settings Glossary,
>> biosglossarybymenu_v09.pdf", there should be "Unlock Intel(R) QST"
>> in my DP35DP BIOS under "Advanced > Fan Control Configuration
>> Menu", but there is no mention of QST.
>>
>> I have a temporary workaround or two, so it is no big deal. Also, I
>> might try the Intel utilities "itoolkit" and the "IIA", whatever those
>> are, apparently they provide some lower level mainboard management. I
>> was contemplating taking a look at them anyway.
>
> I have a Gigabyte motherboard manual (GA-P35-DS3) in my collection, and
> this is
> from their BIOS page.
>
> *******
> Smart FAN Control Method
>
> Specifies how to control CPU fan speed.
>
> Auto Lets BIOS control CPU fan speed. (Default)
>
> Intel QST Allows CPU fan speed to be controlled by the
> Intel Quiet System Technology (QST). This feature
> requires the installation of Intel Host Embedded
> Control Interface (HECI) driver from the motherboard
> driver disk.
>
> Legacy Allows CPU fan to run at different speed according
> to the CPU temperature.
>
> Disabled Forces CPU fan to run at full speed.
> *******
>
> I have no clue, as to why you'd need a "HECI driver". That implies
> the control method depends on the host CPU. I thought QST relied
> on the Management Engine, which should need no driver. Unless
> the HECI driver allows controlling QST from the OS ?
>
> For example, I found some software here. Maybe this will work. (I checked
> inside this, and it is just a driver. No utility with GUI is provided.)
>
> "Intel ME: Management Engine Driver for Intel 3 Series Chipset-Based
> Desktop Boards"
>
> http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=13477&ProdId=2782&lang=eng
>
>
> DP35DP
>
> HTH,
> Paul

Another reference to HECI here. Speedfan.

http://www.almico.com/sfhistory.php

"added preliminary detection of the HECI driver"

Paul
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