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Forum Discussion
fan speed on Ultra 4 / OS6
I've recently installed OS6 (v 6.2.3 T1741) on my Readynas Ultra 4. The fan is quite loud: running at 2700 RPM which seems unneccesary at 77 F / 25C. This post though http://www.readynas.com/forum/...
After waiting for a day it still was way louder then on OS4, so I implemented the fancontrol manually, as described in my first post.
I ran pwmconfig which gave exactly the same figures as in the post. I figured it couln'd hurt tuning the lowest power a bit down. Still plenty of RPMs to prevent the fan from stopping. So I now have:
Everywhere where it states 55 it used to be 60.
Without fancontrol RPM was at 260
With fancontrol implemented with original settings (60) RPM was at 1780 (CPU running on 29 C). Stepping down to 55 resulted in 1670 RPM, which was quite a difference regarding noise.
I ran pwmconfig which gave exactly the same figures as in the post. I figured it couln'd hurt tuning the lowest power a bit down. Still plenty of RPMs to prevent the fan from stopping. So I now have:
# Configuration file generated by pwmconfig, changes will be lost
INTERVAL=10
DEVPATH=hwmon0=devices/platform/coretemp.0 hwmon1=devices/platform/it87.2576
DEVNAME=hwmon0=coretemp hwmon1=it8721
FCTEMPS=hwmon1/device/pwm1=hwmon0/device/temp2_input
FCFANS=hwmon1/device/pwm1=hwmon1/device/fan1_input
MINTEMP=hwmon1/device/pwm1=50
MAXTEMP=hwmon1/device/pwm1=60
MINSTART=hwmon1/device/pwm1=60
MINSTOP=hwmon1/device/pwm1=55
MINPWM=hwmon1/device/pwm1=55
MAXPWM=hwmon1/device/pwm1=255
Everywhere where it states 55 it used to be 60.
Without fancontrol RPM was at 260
With fancontrol implemented with original settings (60) RPM was at 1780 (CPU running on 29 C). Stepping down to 55 resulted in 1670 RPM, which was quite a difference regarding noise.
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