Hi Christian, The clarification of my problem is as follows. Thank you very much for your reply! Yongkui On 11/10/06, Christian Mahr <christian.mahr.ulm at arcor.de> wrote: > > Hi Yongkui, > > sorry for my late answering - I was out for a few days. > > Since I do not have full insigight to neither the driver nor the internal > connections of the board I need to guess. maybe the drivers author can give > some more advice. > > Please see table 12 in your motherboard spec. > > It says Processor fan and fan 2 can be monitored. The LPC47M142-NC does > not have more than 2 inputs to observe more fans. I guess you may see > Processor fan speed on fan1_input and Fan2?s speed on fan2_input or vice > versa. > I can only observe fan 1. It is the CPU fan. sensors will always report 0 RPM for fan2. so fan2 is not observable. And pwmconfig program reported fan1 is correlated to pwm1. Please confirm. > > The LPC47M142-NC seem to have also only 2 pwm control outputs, pwm1 2nd 2. > > As to table 12 you should be able to control fan 1 and fan2/3 where fan 2 > and 3 receive the same voltage. > > So I gues you may be able to control Fan1 by pwm1 and Fan2/3 by pwm2 in > manual mode - maybe vice versa. > > Please confirm if you can control both Fan1 and Fan2 independently by pwm1 > and pwm2 in manual mode. > I cannot control fan1 and fan2. I set pwm1 and pwm2 in manual mode, but the fan speed of fan1 is not affected at all. Fan 2 is always reported as 0 RPM by sensors program. Table 12 clearly says that the processor fan is not controllable. So I am > surprised that you can at least switch it by setting pwm1 to zero. This > might be some extra logic or some extra pin which is just a on/off control. > You need to study the data sheet and the driver to proceed here. > > My Suggestions: > > How many fans you want to control in total indendently? > I just want to control the CPU fan. that is fan1. Maybe you change the CPU fan to MB-Fan2-pin because Fan2 is observable and > controllable and use Fan1 or fan3 for a case fan? > I will first try other solutions than this one. If you do so please be careful to observe the fan to run when the cpu heats > up so you don?t damage anything. > > Best regards > > Christian > > Am Sonntag, 5. November 2006 01:19 schrieb Yongkui Han: > > > Hi Christian, > > > > > > Thank you very much for your reply! > > > > > > I answered your questions about my fan, they are after your questions in > > > below. > > > > > > Could you give me some suggestions? > > > > > > Thanks! > > > Yongkui > > > > > > On 11/4/06, Christian Mahr <christian.mahr.ulm at arcor.de > wrote: > > > > Hi Yonkui, > > > > > > > > -is this a 3 or 4 pin fan? > > > > -is this a 3 or 4 pin connector on MB? > > > > > > Mine is a 3 pin fan. There are 3 wires: Green, Yellow, and Black. It > should > > > be a 3pin connector on MB. I attached a picture of the fan connector for > > > your reference. > > > The motherboard manual can be downloaded here: > > > ftp://download.intel.com/design/motherbd/mv/A6514501.pdf > > > > > > > when you operate pwm1 manually, > > > > - can you see the value with cat pwm1 you did write ther before? > > > > > > Yes, I can see the value of pwm1 with cat. > > > [etc2 9191-0800]$ cat pwm1 > > > 252 > > > [etc2 9191-0800]$ > > > > > > - are you sure to be in manual mode pwm_enable=1 ? > > > > > > > > > Yes, I use the command "echo 1 > pwm1_enable" to set it. > > > [root at etc2 9191-0800]#cat pwm1 > > > 252 > > > [root at etc2 9191-0800]# cat pwm1_enable > > > 0 > > > [root at etc2 9191-0800]# echo 1 > pwm1_enable > > > [root at etc2 9191-0800]# cat pwm1_enable > > > 1 > > > [root at etc2 9191-0800]# cat pwm1 > > > 252 > > > [root at etc2 9191-0800]# echo 32 > pwm1 > > > [root at etc2 9191-0800]# cat pwm1 > > > 32 > > > [root at etc2 9191-0800]# > > > > > > - what do the other pwm1* register read? > > > > > > The following are all the files under the super I/O chip device > directory: > > > [yonhan at etc2 9191-0800]$ pwd > > > /sys/bus/i2c/devices/9191-0800 > > > [yonhan at etc2 9191-0800]$ ls > > > alarms driver fan1_input fan2_div fan2_min name pwm1 > > > pwm2 uevent > > > bus fan1_div fan1_min fan2_input hwmon:hwmon1 power pwm1_enable > > > pwm2_enable > > > [yonhan at etc2 9191-0800]$ > > > > > > The pwm2 register is same as pwm1 register. The pwmconfig reports pwm1 > is > > > associated with fan1_input. > > > [etc2 9191-0800]$ cat pwm2 > > > 252 > > > [etc2 9191-0800]$ cat pwm2_enable > > > 0 > > > [etc2 9191-0800]$ > > > > > > Thanks! > > > > > > Christian > > > > > > > Am Samstag, 4. November 2006 04:34 schrieb Yongkui Han: > > > > > HI, > > > > > > > > > > Could anybody help me with this, or point me to somewhere? > > > > > > > > > > Thanks! > > > > > > > > > > Thanks. > > > > > Yongkui > > > > > > > > > > On 10/30/06, Yongkui Han <hanyongkui99 at gmail.com> wrote: > > > > > > Hi All, > > > > > > > > > > > > I just found the following information on page 43 of the > motherboard > > > > > > manual. > > > > > > ftp://download.intel.com/design/motherbd/mv/A6514501.pdf > > > > > > > > > > > > -------------------------- > > > > > > 1.14.2.2 Fan Connectors > > > > > > The D850MD and D850MV boards have two fan connectors with thermal > > > > > > > > control > > > > > > > > > > signals (fan 1 > > > > > > and fan 2) that are used to switch the fans on and off as > determined > > > > > > > > by > > > > > > > > > > the thermal sensors. > > > > > > The ambient temperature of a D850MD- or D850MV-based system is > > > > > > > > thermally > > > > > > > > > > monitored by > > > > > > separate temperature sensors that control voltage to the fan 1 and > > > > > > fan > > > > > > > > 2 > > > > > > > > > > connectors. If the fans > > > > > > attached to these connectors provide a tachometer signal, the > sensor > > > > > > reports the fan speed to the hardware monitor component. > > > > > > The temperature sensors that control the fans are initialized by > the > > > > > > > > BIOS > > > > > > > > > > at power-up to turn on only when the sensor reaches 36 oC (96.8oF). > > > > > > > > The > > > > > > > > > > fans switch off when their respective sensors cool down to 31 oC > > > > > > (87.8oF). This prevents the fans from turning off and on when the > > > > > > > > ambient > > > > > > > > > > air around the sensor fluctuates around 35?36 oC. When the fans > > > > > > switch on, they may appear to rotate slowly because the fan's duty > > > > > > cycle > > > > > > > > starts > > > > > > > > > > at 70 percent and rises to 100 percent when the sensor reaches 46 > oC > > > > > > ( > > > > > > > > > > > > 114.8oF). Table 12 summarizes the functions of the four fan > > > > > > > > connectors. > > > > > > > > > > Table 12. Fan Connector Descriptions > > > > > > > > > > > > Feature Processor Fan Fan 1 > > > > > > Fan 2 Fan 3 > > > > > > +12 V DC connection Yes Yes > > > > > > Yes Yes > > > > > > Tachometer output Yes > > > > > > No Yes No > > > > > > Controllable No > > > > > > Yes Yes Yes > > > > > > ---------------------------- > > > > > > > > > > > > In the Table 12, It says the Processor Fan is not controllable, > > > > > > > > although > > > > > > > > > > the other fans are controllable. > > > > > > > > > > > > So this means that I cannot control the CPU fan speed. But it > seems > > > > > > > > that > > > > > > > > > > we could do some tricks to make the system think the thermal > sensor > > > > > > is > > > > > > > > > > > > higher than 46C. Then the CPU fan speed should run at full speed. > > > > > > Then this is what I want, a fixed CPU fan speed. > > > > > > > > > > > > Any suggestions? > > > > > > > > > > > > Thanks! > > > > > > Yongkui > > > > > > > > > > > > On 10/30/06, Yongkui Han <hanyongkui99 at gmail.com > wrote: > > > > > > > Hi All, > > > > > > > > > > > > > > I am trying to control the speed of the CPU fan. I would like to > > > > > > > > set > > > > > > > > > > > constant CPU fan spee d. > > > > > > > > > > > > > > My CPU fan is Intel Fan & Heatsink A65061-001, with 3 wires, > green, > > > > > > > yellow, and black. > > > > > > > > > > > > > > I run pwmconfig to see /sys/bus/i2c/devices/9191-0800/pwm1 is > > > > > > > controling fan1_input, which is the CPU fan, and saved the > default > > > > > > > configuration into /etc/fancontrol file. The pwmconfig command > > > > > > > > didn't > > > > > > > > > > > report any errors but I noticed that when it reports the CPU fan > > > > > > > > speed > > > > > > > > > > > of 0, the CPU fan is actually still running. Also, the GNUPLOT > > > > > > > graph > > > > > > > > of > > > > > > > > > > > the correlation between PWM and Fan Speed is very strange. The > fan > > > > > > > speed are 3233 for all PWM values 2--255, and the fan speed is 0 > > > > > > > for PWM=0. This is very weird. The pdf file pwmtest.pdf is > > > > > > > enclosed for your reference. > > > > > > > > > > > > > > Then I run fancontrol command. the command is running correctly > > > > > > > > without > > > > > > > > > > > reporting errors. Now the sensors command will only report a fan > > > > > > > > speed > > > > > > > > > > > of 0 RPM. But the problem is the CPU fan is still running, it > never > > > > > > > stops at all. > > > > > > > > > > > > > > > > > > > > > I also tried not to use fancontrol. I use the command: echo 64 > > > > > > > > /sys/bus/i2c/devices/9191-0800/pwm1, but still this had no > effect > > > > > > > on the CPU fan speed. > > > > > > > > > > > > > > Could some one help me with the CPU fan speed control? > > > > > > > > > > > > > > Thanks! > > > > > > > > > > > > > > BTW, > > > > > > > I have an Intel D850MV motherboard. There is an ADM1025A sensor > > > > > > > chip > > > > > > > > on > > > > > > > > > > > the motherboard. Also there is an LPC47M142-NC Super I/O chip on > > > > > > > the > > > > > > > > > > > > > > motherboard. My CPU is a Pentium 4 CPU, 1.7GHz. > > > > > > > > > > > > > > The following is a sample output for my lm-sensors software. > > > > > > > --------------------------------- > > > > > > > $ sensors > > > > > > > adm1025-i2c-0-2d > > > > > > > Adapter: SMBus I801 adapter at efa0 > > > > > > > > > > > > > > +2.5V: +2.49 V (min = +2.25 V, max = +2.75 V) > > > > > > > VCore: +1.68 V (min = +1.66 V, max = +1.84 V) > > > > > > > +3.3V: +3.30 V (min = +2.97 V, max = +3.63 V) > > > > > > > +5V: +5.13 V (min = +4.50 V, max = +5.50 V) > > > > > > > VCC: +3.30 V (min = +2.97 V, max = +3.63 V) > > > > > > > CPU Temp: +35.0?C (low = +10?C, high = +60?C) > > > > > > > M/B Temp: +34.0?C (low = +10?C, high = +45?C) > > > > > > > vid: +1.750 V (VRM Version 9.0) > > > > > > > > > > > > > > smsc47m1-isa-0800 > > > > > > > Adapter: ISA adapter > > > > > > > fan1: 3233 RPM (min = 640 RPM, div = 8) > > > > > > > fan2: 0 RPM (min = 640 RPM, div = 8) > > > > > > > -------------------------------------------------------------- > > > > > > > > > > > > > > > > > > > > > Regards, > > > > > > > Yongkui > > > > > > > > ___________________________________________________________ > > > > Der fr?he Vogel f?ngt den Wurm. Hier gelangen Sie zum neuen Yahoo! > Mail: > > > > http://mail.yahoo.de > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.lm-sensors.org/pipermail/lm-sensors/attachments/20061111/2a1b6e20/attachment.html
