Welcome to our peer-to-peer forums, where owners help owners. Need help now? Visit eSupport here.

English Community

ThinkPad NotebooksThinkPad: T400 / T500 and newer T series Laptops
All Forum Topics
Options

13 Posts

12-23-2011

United States of America

10 Signins

88 Page Views

  • Posts: 13
  • Registered: ‎12-23-2011
  • Location: United States of America
  • Views: 88
  • Message 931 of 1217

Re: T420s Fan noise Issue

2012-02-28, 15:25 PM

For ubuntu, please install thinkfan, I have the following config file which may help a little bit:

 

######################################################################
# thinkfan 0.7 example config file
# ================================
#
# ATTENTION: There is only very basic sanity checking on the configuration.
# That means you can set your temperature limits as insane as you like. You
# can do anything stupid, e.g. turn off your fan when your CPU reaches 70°C.
#
# That's why this program is called THINKfan: You gotta think for yourself.
#
######################################################################
#
# IBM/Lenovo Thinkpads (thinkpad_acpi, /proc/acpi/ibm)
# ====================================================
#
# IMPORTANT:
#
# To keep your HD from overheating, you have to specify a correction value for
# the sensor that has the HD's temperature. You need to do this because
# thinkfan uses only the highest temperature it can find in the system, and
# that'll most likely never be your HD, as most HDs are already out of spec
# when they reach 55 °C.
# Correction values are applied from left to right in the same order as the
# temperatures are read from the file.
#
# For example:
# sensor /proc/acpi/ibm/thermal (0, 0, 10)
# will add a fixed value of 10 °C the 3rd value read from that file. Check out
# http://www.thinkwiki.org/wiki/Thermal_Sensors to find out how much you may
# want to add to certain temperatures.

# Syntax:
# (LEVEL, LOW, HIGH)
# LEVEL is the fan level to use (0-7 with thinkpad_acpi)
# LOW is the temperature at which to step down to the previous level
# HIGH is the temperature at which to step up to the next level
# All numbers are integers.
#

#sensor /proc/acpi/ibm/thermal (0, 10, 15, 2, 10, 5, 0, 3, 0, 3)
sensor /sys/devices/platform/coretemp.0/temp1_input
sensor /sys/devices/platform/coretemp.0/temp2_input
sensor /sys/devices/platform/coretemp.0/temp3_input
sensor /sys/devices/virtual/hwmon/hwmon0/temp1_input
(0, 0, 49)
(1, 45, 50)
(2, 49, 65)
(3, 64, 67)
#(4, 56, 68)
(5, 62, 70)
(7, 69, 32767)

Reply
Options

13 Posts

12-23-2011

United States of America

10 Signins

88 Page Views

  • Posts: 13
  • Registered: ‎12-23-2011
  • Location: United States of America
  • Views: 88
  • Message 932 of 1217

Re: T420s Fan noise Issue

2012-02-28, 15:26 PM

The thinkpad is no longer the Thinkpad we know. Quality!!!??

Reply
Options

8095 Posts

11-19-2007

United States of America

10101 Signins

400183 Page Views

  • Posts: 8095
  • Registered: ‎11-19-2007
  • Location: United States of America
  • Views: 400183
  • Message 933 of 1217

Re: T420s Fan noise Issue

2012-02-28, 16:42 PM

antsh,

 

You say your system get's stuck at 4K RPM?

 

You have applied the latest BIOS and Power manager and are running Windows, right?

 

We just aren't seeing this on systems we are looking at.  I believe you.  But, the engineers are telling me that the samples we have now don't go above 1900 RPM on idle on the Intel GPU equipped models.  They have tested for several weeks in 20 min loops.

 

I'll go back and re-read the last dozen pages or so and see if everyone has noted whether they have optimus model or intel model.

 

The power manager under windows will affect this... not sure that Linux environments will allow us as much control.

 

Mark

Reply
Options

107 Posts

06-28-2011

Italia

2191 Signins

3793 Page Views

  • Posts: 107
  • Registered: ‎06-28-2011
  • Location: Italia
  • Views: 3793
  • Message 934 of 1217

Re: T420s Fan noise Issue

2012-02-28, 17:10 PM

@Mark_Lenovo:

 

I have an Intel only T420s and I am experiencing high fan speeds, even for very low temperatures (I've posted a screenshot some pages ago).

 

I am using Linux, if that matters, and I believe that the power consuption is even lower than Windows, since my battery lasts longer.

 

Can you ask the engineering group if they can at least try a Linux install? There are some tools to read temperatures and see that something is wrong also on that OS.

 

Secondly, how about my proposal of letting the fan spin at 3000 RPM, in addition to the 2000 RPM and 4000 RPM? Could you pass the suggestion along? Thanks very much!

 

Alessandro

Reply
Options

87 Posts

01-25-2010

Canada

388 Signins

3631 Page Views

  • Posts: 87
  • Registered: ‎01-25-2010
  • Location: Canada
  • Views: 3631
  • Message 935 of 1217

Re: T420s Fan noise Issue

2012-02-28, 17:17 PM

@Mark_Lenovo:

 

Can you ask engineering group what their testing room temperature is?  Because if its ice cold, the temp will never rise.

_______________________________________________________
T420s, i5-2520M @2.5, nVidia 4200m, 8GB DDR3, OCZ Vertex 3 Max IOPS 240GB SSD, Hitachi 320GB @7200rpm ulrabay, 8Pro x64
T61, Centrino Duo @1.8, GM965, 4GB PC2-5300 DDR2 @667MHz, OCZ Agility 120GB SSD, 7Pro x64
Reply
Options

17 Posts

01-18-2012

United States of America

24 Signins

211 Page Views

  • Posts: 17
  • Registered: ‎01-18-2012
  • Location: United States of America
  • Views: 211
  • Message 936 of 1217

Re: T420s Fan noise Issue

2012-02-28, 17:42 PM

wrote:

:

 

I have an Intel only T420s and I am experiencing high fan speeds, even for very low temperatures (I've posted a screenshot some pages ago).

 

I am using Linux, if that matters, and I believe that the power consuption is even lower than Windows, since my battery lasts longer.

 

Can you ask the engineering group if they can at least try a Linux install? There are some tools to read temperatures and see that something is wrong also on that OS.

 

Secondly, how about my proposal of letting the fan spin at 3000 RPM, in addition to the 2000 RPM and 4000 RPM? Could you pass the suggestion along? Thanks very much!

 

Alessandro


I think the fan speed is determined by hardware itself, not by programming. The big lag design (~2000 - ~3500) is a fan defect. (Wrong here, could be 3000rpm using BIOS 1.05)

Reply
Options

107 Posts

06-28-2011

Italia

2191 Signins

3793 Page Views

  • Posts: 107
  • Registered: ‎06-28-2011
  • Location: Italia
  • Views: 3793
  • Message 937 of 1217

Re: T420s Fan noise Issue

2012-02-28, 17:50 PM

I am sure that older BIOSes let the fan run at 3000 RPM. I do not remember which versions, but those around May 2011 had a fan level set at 3000 RPM, I can almost guarantee it.

 

Hence, here I go again. It could be very effective to have an intermediate fan speed. And it would be interesting to have official feedback on it :)

Reply
Options

17 Posts

01-18-2012

United States of America

24 Signins

211 Page Views

  • Posts: 17
  • Registered: ‎01-18-2012
  • Location: United States of America
  • Views: 211
  • Message 938 of 1217

Re: T420s Fan noise Issue

2012-02-28, 18:00 PM

wrote:

I am sure that older BIOSes let the fan run at 3000 RPM. I do not remember which versions, but those around May 2011 had a fan level set at 3000 RPM, I can almost guarantee it.

 

Hence, here I go again. It could be very effective to have an intermediate fan speed. And it would be interesting to have official feedback on it :)


I have checked all the BIOS, from 1.05-latest. no 3000 turned up. Even it showed, only a transition, not stable. Things are not so simple. [Wrong here, corrected at message 941]

Reply
Options

107 Posts

06-28-2011

Italia

2191 Signins

3793 Page Views

  • Posts: 107
  • Registered: ‎06-28-2011
  • Location: Italia
  • Views: 3793
  • Message 939 of 1217

Re: T420s Fan noise Issue

2012-02-28, 18:03 PM

Really? I still have email conversations in my inbox where setting the fan level to 4 under Linux resulted in a fan speed of 3000 RPM. I'll try older BIOSes later, maybe I am epicly wrong.

Reply
Options

17 Posts

01-18-2012

United States of America

24 Signins

211 Page Views

  • Posts: 17
  • Registered: ‎01-18-2012
  • Location: United States of America
  • Views: 211
  • Message 940 of 1217

Re: T420s Fan noise Issue

2012-02-28, 18:17 PM

I didn't try ThinkFan, I used TPFancontrol.


wrote:

Really? I still have email conversations in my inbox where setting the fan level to 4 under Linux resulted in a fan speed of 3000 RPM. I'll try older BIOSes later, maybe I am epicly wrong.


 

Reply
Forum Home

Community Guidelines

Please review our Guidelines before posting.

Learn More

Check out current deals!

Go Shop
X

Save

X

Delete

X

No, I don’t want to share ideas Yes, I agree to these terms