The fan of my X61 seems to work permanently on full power.
installed tpfand, tpfan-admin, tpfan-profiles
but for tpfan-admin a lot of gnome packets are needed only for frontend
uninstalled tpfan-admin and -profiles and with
sudo apt-get autoremove
all unnecessary packages are removed
to configure fan-speed: /etc/tpfand.conf
here my current settings (quite conservative i guess but i have no idea which sensor stands for what)
enabled = True
override_profile = True
0. Sensor 0 = 0:0 40:1 43:2 45:3 47:255
1. Sensor 1 = 0:0 46:2 48:3 50:255
2. Sensor 2 = 0:0 46:2 48:3 50:255
3. Sensor 3 = 0:0 43:2 45:3 47:255
4. Sensor 4 = 0:0 27:255
5. Sensor 5 = 0:255
6. Sensor 6 = 0:0 27:255
7. Sensor 7 = 0:255
8. Sensor 8 = 0:0 41:3 44:255
9. Sensor 9 = 0:0 40:3 43:255
10. Sensor 10 = 0:255
11. Sensor 11 = 0:255
12. Sensor 12 = 0:255
13. Sensor 13 = 0:255
14. Sensor 14 = 0:255
15. Sensor 15 = 0:255
hysteresis = 2
interval_speed = 2
interval_duration = 500.000000
interval_delay = 5000.000000