Question 4 pins aren’t working.

May 28, 2019
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Hey guys, I currently have an ASrock B450M Steel Legend motherboard and am currently working on a build. Specs:
Ryzen 7 1700
Sapphire Nitro+ RX580
8GB Patriot Viper 2666 (1x8GB)
B450M Steel Legend
120GB SSD

I currently have 6 fans in my case with 3 of the 4 pin chassis fan motherboard connectors, but only one of them are working. I’m using 1 to 2 fan splitters.

When I connect the fan splitter or fan to chassis fan 1, they work fine but the fan splitter and fan stop working when I plug them into chassis fan 2 or 3. I’ve only connected my CPU fan and the front panel power connector.

Could anyone please help?
 

Ralston18

Titan
Moderator
Does the following link show your motherboard and does your motherboard indeed have 5 x 4 pin fan headers?

https://motherboarddb.com/motherboards/1586/B450M Steel Legend/

I think you need to take a closer look at your entire setup and corresponding configurations.

Starter link from this Forum.

https://forums.tomshardware.com/threads/fan-speed-control-how-to-2-pin-vs-3-pin-vs-4-pin.2200004/

And you can easily find additional information:

https://landing.coolermaster.com/faq/how-to-connect-a-3-pin-or-4-pin-fan-to-the-motherboard/

Troubleshoot each fan header by plugging in each fan, one by one through all of the headers. No splitters or adapters.

Confirm that each header and fan work. If a fan does not work, test it on another computer. Try another known working fan on header.
 
May 28, 2019
10
0
10
0
Does the following link show your motherboard and does your motherboard indeed have 5 x 4 pin fan headers?

https://motherboarddb.com/motherboards/1586/B450M Steel Legend/

I think you need to take a closer look at your entire setup and corresponding configurations.

Starter link from this Forum.

https://forums.tomshardware.com/threads/fan-speed-control-how-to-2-pin-vs-3-pin-vs-4-pin.2200004/

And you can easily find additional information:

https://landing.coolermaster.com/faq/how-to-connect-a-3-pin-or-4-pin-fan-to-the-motherboard/

Troubleshoot each fan header by plugging in each fan, one by one through all of the headers. No splitters or adapters.

Confirm that each header and fan work. If a fan does not work, test it on another computer. Try another known working fan on header.
I’ve tried there’s a problem with the headers 2 and 3.
 

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