They are really cheap and silent nowadays. If you really want to run your CPU without fan, I suggest you to check that the heat sink is clean (without dust on it) and the thermal conducting paste is properly applied between the CPU and the heat sink.Įven more, though, I suggest you to just buy another fan. I do not know how much old is your computer, but probably the last consumer CPUs that could be safely used with just a passive heat sink were Intel Pentium, maybe Pentium 2, and AMDs of the same epoch, which is now really old. Of course, as other have already said, this expose your CPU to permanent damage. At next reboot your BIOS may complain that the fan is not working (it does so in order to protect the CPU from overheating), but in this case you can probably disable the check. If you really want to stop the fan, you should probably just open the computer and detach the cable connecting the fan to the motherboard. The Target curve will only change the fan speed if the temperature reaches either the minimum or the maximum.There is probably no way to stop the CPU fan from software, especially if you use an old computer. The difference between Target and Linear is what happens between the minimum and maximum temperatures.
The fan speed will be changed along these lines with CPU temperature. Read more: How to Prevent Computer Overheating and Keep Your PC Cool The control panel contains 4 dots allows you to drag and adjust the Smart Speed slopes. They will return to 0% if the temperature is 65 C or less. For example, in my curves, the fans will always spin at 100% speed if the temperature is 95 C. When the minimum or maximum temperature is reached for both of these cards, their corresponding speed will trigger. Next, you need to set a minimum speed and a maximum speed. Basically, you're telling the app, "I want my temperature to never exceed X, but it's okay if it never goes below Y."
Both cards require you to set a minimum and a maximum temperature.
First, let's focus on the Target and Linear cards since they're very similar to each other. I've already configured these cards to my personal preference. Fans are controlled by the BMC depending on the cooling requirements. For case fans, you can use the hottest motherboard, CPU, or GPU sensor as it doesn't matter too much. For CPU fans, use one of your CPUrelated sensors (pick the one with the highest temperature to be safe).
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