# echo level 4 > /proc/acpi/ibm/fan (medium speed) # echo level 2 > /proc/acpi/ibm/fan (low speed) # echo level 0 > /proc/acpi/ibm/fan (fan off) Having done so, reboot and you can use the following commands to control fan speed: To enable fan control, the module parameter fan_control=1 must be given to thinkpad-acpi.įor example, in Ubuntu 8.04 (Hardy Heron), add the following to /etc/modprobe.d/options: options thinkpad_acpi fan_control=1įor Debian Squeeze (testing) create /etc/modprobe.d/thinkpad_nf with: options thinkpad_acpi fan_control=1 and install the package thinkfan ![]() If not, the app makes it easy to learn.Fan control operations are disabled by default for safety reasons. While the interface looks basic, there are many advanced tools you can use if you understand PC specifications and hysteresis. Control your fan performanceįanControl is an open-source program that’s easy to control the fan speed on your computer. You can set primary and secondary tones, splashing the user interface with vivid hues to refresh the screen. You don’t need to sit with the same interface appearance every day if you’re bored of it or tired of looking at the same colors. It means you can let your fans slow down and rest when you’re not doing much on your PC. You can view graphs for each one, knowing which settings to use when you activate specific programs or games. When you’re working on different settings to find the best performance for various tasks, it helps to set multiple profiles on FanControl. ![]() It lets you view and edit graph points to fine-tune the parameters. There are also fan curve graphs, where you can compare response times, temperatures, and hysteresis. Each panel in the interface represents a fan, showing you the location of each and its performance.
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