![]() ![]() There are quite a few features that I have not gone over which are quite useful. If you look at Fan02 on this readout, you can see that there is no way it’s running at 84375 RPMs. A point to note is that when you change the speeds, it really messes up the RPM sensors. Here is a final look at my readings after configuration. I have that one set to work off of my “case” temp in a similar fashion. Speed02 is my chassis fan and is on the side of my computer pointed at the chipset, HSF, and RAM. Remember – back in the “Temperatures” tab that we set a “warning” temp, so if for some reason it’s a really hot day and the temps start to climb, it will go to 100% as a safety precaution. If I start gaming or stress testing, then RPMs will ramp up until the temperature stabilizes at something at or under 15% which I have set as the “maximum.” I know from experience that this setting should handle most anything at a reasonable sound level. Since I have a good heatsink it stays at this setting while I do most things on my computer. For me, my fan shuts down under 5% and remains practically silent at that point. Experimentation is the only way to know what to set here. ![]() It is my understandings that the numbers vary greatly depending on your mobo and your fan selection. You must put a check in the box and change these numbers before Speedfan can change your speeds automatically. When you first see this tab, the minimum and maximum values are set to 100 and “automatically variated” is unchecked. The benefits of this are that you can have a lower RPM on your fan and the process is simply more efficient and produces less waste heat. PWM uses varying pulses of the full 12 volts rather than stepping down the voltage to control the fans. The program uses the PWM (pulse width modulation) controller that is on your mobo to control fan speeds. Again, a lot of experimentation might be required between this tab and the Speeds tab which I’ll skip to right now. At the warning Temp of 50✬, the fan will go to 100% no matter what. At 47✬, it will start ramping up to the “maximum” setting that I will set in the “Speeds” tab. I also set up the temperatures that Speedfan will use to adjust my fan speeds. I unchecked all of the speeds under my HD0 sensor since I have no fans that can affect the temp of the drive. Since I don’t know what Temp3 and Temp are, I unchecked them so that they will not affect fan speeds. ![]() I only want my CPU sensor to affect my CPU fan, so I selected Temp2 and unchecked Speed02 underneath it. These settings can get a bit confusing and will take a lot of experimenting to get right.įor me, Temp2 is the CPU sensor while Speed01 is my CPU fan. When you first see this tab, everything will be checked so that all temp sensors will affect all speeds. My mobo has three fan headers, but can only control 2 of them, the CPU fan and chassis fan. This is the Tab that Speedfan uses to control the fans at certain temps.Ī “Speed” is simply a fan that Speedfan can control. ![]()
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