I don't mean to exceed the scope of this forum and I'll keep on the topic of MSI Intel Motherboards here, but I thought I'd organize my thoughts a bit and ask a few questions that you might be able to answer. If I have six fans outside those on the GPU, two of which are mounted on the radiator of the AIO cooler (I believe the AIO's pump and AIO radiator fans occupy their own headers, correct?), does this mean that I will need to purchase a fan controller in order to control the speed of all six? It appears that the z690-a has 5 SYS_FAN headers. But thats easy to notice in the BIOS - when you just cant control a certain 4-pin fan with a PWM signal and instead only have DC (voltage) control available. There is no way you can get it to work with the motherboard. Even more, the Noctua NA-FC1 controller also includes a 3-way splitter cable for controlling up to 3 fans. The built-in No stop mode prevents the fans from falling below the speed of 300rpm, which is crucial to avoid BIOS errors. Its user-friendly interface offers complete control over fans for Windows PCs or laptops and enables changes in the computer’s CPU fan speed, adjusting fan speed at 100 or less, depending upon the overheating of your PC. Connect 4-pin Motherboard Cable to the INPUT port. With solution B there is no speed control available and the fans run at 100% all the time, correct? Some motherboard models may only allow DC control for some of the fan headers, even though they can all be 4-pin headers. The fan controller controls the fans on its own, see the controls behind the front door. The device works as a manual speed reducer or in tandem with the automatic motherboard fan control. This PC fan controller software is a free utility that automatically adjusts cooling using Hydro Series liquid CPU coolers. Choose for (A) MANUAL CONTROL or(B) MOTHERBOARD CONTROL. Sorry again for the unfamiliarity, I purchased this pc prebuilt and it's been a while since I built my last one so I'm being a bit cautious with things.Īfter reading up on the topic it's my understanding that fans generally plug into either: A.) the motherboard, B.) the PSU, or C.) a fan hub/controller which then plugs into the motherboard.Īs the SYS_FAN headers on the motherboard are empty, I have to assume mine is using solution B.
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