the file doc/chips/lm85 has extensive documentation on this if you need more help after reading that let us know. Paul Aviles wrote: > one more time I need the help of the masters... :-) > > I have a weird server that does not have the regular values values > inside /proc for fan speed control. The files inside > /proc/sys/dev/sensors/lm85-i2c-0-2e are > > -rw-r--r-- 1 root root 0 Feb 13 03:32 fan1 > -rw-r--r-- 1 root root 0 Feb 13 03:32 fan2 > -rw-r--r-- 1 root root 0 Feb 13 03:32 fan3 > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm1 > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm1_cfg > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm1_zone > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm2 > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm2_cfg > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm2_zone > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm3 > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm3_cfg > -rw-r--r-- 1 root root 0 Feb 13 03:32 pwm3_zone > > The content of fanX is like: > > cat fan1 > 4800 9424 > > cat fan2 > 4800 6271 > > cat fan3 > 2200 11226 > > Where the first field is the minimim RPM and the second is the actual RPM > > The content of pwmX_zone is like: > > cat pwm1_zone > 1 > > cat pwm2_zone > 3 > > cat pwm3_zone > 1 > > I have no idea what those are. > > The content of the pwmX_cfg is like: > > cat pwm1_cfg > 0.2 64.0 38.0 1.0 0.0 > > cat pwm2_cfg > 0.2 64.0 98.0 1.0 0.0 > > cat pwm3_cfg > 0.2 64.0 38.0 1.0 0.0 > > Also, no idea what each value represents. > > The first weird thing is that when you go to the bios there is a section > that shows you the real time rpms of the fans. If I disconnect one fan > at the time, I can identify which fan is which. There are 2 fans in the > front, the one in the front right is #1, front left is # 2 and back left > is # 3. > > Sensors reports them differently I think for example. > > Fan1: 9310 RPM (min = 4800 RPM) > Fan2: 6264 RPM (min = 4800 RPM) > Fan3: 11157 RPM (min = 2200 RPM) > > If I disconnect fan 1 it thinks is fan 3 and vice versa. Here is my > sensors.conf > > chip "lm85-*" "adt7463-*" > > ignore pwm1 > ignore pwm2 > ignore pwm3 > ignore in4 > ignore fan4 > > label fan1 "Fan1" > label fan2 "Fan2" > label fan3 "Fan3" > > label pwm1 "pwm1 fan" > label pwm2 "pwm2 fan" > label pwm3 "pwm3 fan" > > set fan1_min 4800 > set fan2_min 4800 > set fan3_min 2200 > > pwmconfig fails as it does not recognize the values from the /proc > files. Has anyone experience this and any idea how to control the speed? > > I can slow them down by playing with values like > > echo "0.2 10.0 38.0 1.0 0.0" > /proc/sys/dev/sensors/lm85-i2c-0-2e/pwm1_cfg > > but I have no idea what the values are supposed to represent and I am > afraid I will damage the board. > > Any assitance will be appreciated. > > Regards, > > Paul; > > > >
