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[cra@momo]::[12:33:11 v06[m02]/Feb07] (master) ~
 $ sensors
asus-isa-0000
Adapter: ISA adapter
cpu_fan:     25500 RPM
temp1:        +39.0°C  

acpitz-virtual-0
Adapter: Virtual device
temp1:        +39.0°C  (crit = +108.0°C)

asus_fan-isa-0000
Adapter: ISA adapter
CPU Fa:      6341 RPM  (min =   10 RPM)
gfx_tem:       +0.0°C  (crit =  +0.1°C)

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0:  +40.0°C  (high = +87.0°C, crit = +105.0°C)
Core 0:         +38.0°C  (high = +87.0°C, crit = +105.0°C)
Core 1:         +32.0°C  (high = +87.0°C, crit = +105.0°C)

[cra@momo]::[13:38:44 v06[m02]/Feb07] (master) ~
 $ sudo su
[root@momo cra]# pwmconfig 
# pwmconfig revision $Revision$ ($Date$)
This program will search your sensors for pulse width modulation (pwm)
controls, and test each one to see if it controls a fan on
your motherboard. Note that many motherboards do not have pwm
circuitry installed, even if your sensor chip supports pwm.

We will attempt to briefly stop each fan using the pwm controls.
The program will attempt to restore each fan to full speed
after testing. However, it is ** very important ** that you
physically verify that the fans have been to full speed
after the program has completed.

Found the following devices:
   hwmon0 is acpitz
   hwmon1 is coretemp
   hwmon2 is asus
   hwmon3 is asus_fan

Found the following PWM controls:
   hwmon2/pwm1           current value: 255
hwmon2/pwm1 is currently setup for automatic speed control.
In general, automatic mode is preferred over manual mode, as
it is more efficient and it reacts faster. Are you sure that
you want to setup this output for manual control? (n) 
   hwmon3/pwm1           current value: 65

Giving the fans some time to reach full speed...
Found the following fan sensors:
   hwmon2/fan1_input     current speed: 25500 RPM
   hwmon3/fan1_input     current speed: 6341 RPM

Warning!!! This program will stop your fans, one at a time,
for approximately 5 seconds each!!!
This may cause your processor temperature to rise!!!
If you do not want to do this hit control-C now!!!
Hit return to continue: 

Testing pwm control hwmon3/pwm1 ...
  hwmon2/fan1_input ... speed was 25500 now 0
    It appears that fan hwmon2/fan1_input
    is controlled by pwm hwmon3/pwm1
Would you like to generate a detailed correlation (y)? 
Would you like to generate a graphical plot using gnuplot (y)? 
    PWM 255 FAN 0
    Fan Stopped at PWM = 255
    This fan appears to stop when the PWM is enabled;
    perhaps the fan input shares a pin with the PWM output
    on the sensor chip.
    You cannot control this fan with this PWM output.

  hwmon3/fan1_input ... speed was 6341 now 0
    It appears that fan hwmon3/fan1_input
    is controlled by pwm hwmon3/pwm1
Would you like to generate a detailed correlation (y)? 
Would you like to generate a graphical plot using gnuplot (y)? 
    PWM 255 FAN 3910
    PWM 240 FAN 3883
    PWM 225 FAN 3827
    PWM 210 FAN 3745
    PWM 195 FAN 3633
    PWM 180 FAN 3493
    PWM 165 FAN 3326
    PWM 150 FAN 3131
    PWM 135 FAN 2907
    PWM 120 FAN 2656
    PWM 105 FAN 2377
    PWM 90 FAN 2069
    PWM 75 FAN 1733
    PWM 60 FAN 1369
    PWM 45 FAN 978
    PWM 30 FAN 558
    PWM 28 FAN 501
    PWM 26 FAN 441
    PWM 24 FAN 383
    PWM 22 FAN 323
    PWM 20 FAN 263
    PWM 18 FAN 202
    PWM 16 FAN 142
    PWM 14 FAN 80
    PWM 12 FAN 18
    PWM 10 FAN 0
    Fan Stopped at PWM = 10
    Hit return to continue...


Testing is complete.
Please verify that all fans have returned to their normal speed.

The fancontrol script can automatically respond to temperature changes
of your system by changing fanspeeds.
Do you want to set up its configuration file now (y)? 
What should be the path to your fancontrol config file (/etc/fancontrol)? 
Loading configuration from /etc/fancontrol ...

Select fan output to configure, or other action:
1) hwmon3/pwm1	       3) Just quit	      5) Show configuration
2) Change INTERVAL     4) Save and quit
select (1-n): 
1) hwmon3/pwm1	       3) Just quit	      5) Show configuration
2) Change INTERVAL     4) Save and quit
select (1-n): 1

Devices:
hwmon0 is acpitz
hwmon1 is coretemp
hwmon2 is asus
hwmon3 is asus_fan

Current temperature readings are as follows:
hwmon0/temp1_input	38
hwmon1/temp1_input	39
hwmon1/temp2_input	39
hwmon1/temp3_input	32
hwmon2/temp1_input	38
hwmon3/temp1_input	0

Select a temperature sensor as source for hwmon3/pwm1:
1) hwmon0/temp1_input
2) hwmon1/temp1_input
3) hwmon1/temp2_input
4) hwmon1/temp3_input
5) hwmon2/temp1_input
6) hwmon3/temp1_input
7) None (Do not affect this PWM output)
select (1-n): 1

Enter the low temperature (degree C)
below which the fan should spin at minimum speed (20): 40

Enter the high temperature (degree C)
over which the fan should spin at maximum speed (60): 70

Enter the minimum PWM value (0-255)
at which the fan STOPS spinning (press t to test) (100): 

Enter the minimum PWM value (100-255)
at which the fan STARTS spinning (press t to test) (150): 

Enter the PWM value (0-100) to use when the temperature
is below the low temperature limit (0): 

Enter the PWM value (100-255) to use when the temperature
is over the high temperature limit (255): 


Select fan output to configure, or other action:
1) hwmon3/pwm1	       3) Just quit	      5) Show configuration
2) Change INTERVAL     4) Save and quit
select (1-n): 1

Devices:
hwmon0 is acpitz
hwmon1 is coretemp
hwmon2 is asus
hwmon3 is asus_fan

Current temperature readings are as follows:
hwmon0/temp1_input	36
hwmon1/temp1_input	39
hwmon1/temp2_input	39
hwmon1/temp3_input	30
hwmon2/temp1_input	36
hwmon3/temp1_input	0

Select a temperature sensor as source for hwmon3/pwm1:
1) hwmon0/temp1_input
2) hwmon1/temp1_input
3) hwmon1/temp2_input
4) hwmon1/temp3_input
5) hwmon2/temp1_input
6) hwmon3/temp1_input
7) None (Do not affect this PWM output)
select (1-n): 1

Enter the low temperature (degree C)
below which the fan should spin at minimum speed (20): 40

Enter the high temperature (degree C)
over which the fan should spin at maximum speed (60): 70

Enter the minimum PWM value (0-255)
at which the fan STOPS spinning (press t to test) (100): 

Enter the minimum PWM value (100-255)
at which the fan STARTS spinning (press t to test) (150): 

Enter the PWM value (0-100) to use when the temperature
is below the low temperature limit (0): 

Enter the PWM value (100-255) to use when the temperature
is over the high temperature limit (255): 


Select fan output to configure, or other action:
1) hwmon3/pwm1	       3) Just quit	      5) Show configuration
2) Change INTERVAL     4) Save and quit
select (1-n): 4

Saving configuration to /etc/fancontrol...
Configuration saved
[root@momo cra]# fancontrol 
Loading configuration from /etc/fancontrol ...

Common settings:
  INTERVAL=10

Settings for hwmon3/pwm1:
  Depends on hwmon0/temp1_input
  Controls hwmon3/fan1_input+hwmon2/fan1_input
  MINTEMP=40
  MAXTEMP=70
  MINSTART=150
  MINSTOP=100
  MINPWM=0
  MAXPWM=255

Enabling PWM on fans...
Starting automatic fan control...
Error reading PWM value from /sys/class/hwmon/hwmon3/pwm1
Aborting, restoring fans...
Verify fans have returned to full speed
[root@momo cra]#