PWM fans and ASUS motherboard M5A78l -M/usb3

jayjay291077 · Jul 29, 2014

hi Folks, question

i have 4 system fans 3 x ARTIC Cooling ARTIC F9 PWM fans 1 normal system fan and my stock amd cooler

trying to get speed fan to control the speeds to help it run quietly when not in use, my motherboard is an M5A78l -M/usb3, gone into bios , the amd cool n quiet facility only gives me the option of normal, turbo, slient.

so would i need to disable this and let speed fan take over the running, is my motherboard able to have PWM as speed fan ask for chipset and my mb isn't listed on the site as compatible.

am a novice when it comes to PWM stuff

currently running the fans of a splitter from the cpu fan pin on my motherboard

and suggestions or pointers would be great

Shadowblade2652 · Jul 29, 2014

if you want your fans to be able to be controlled by the OS then they have to be 4pin fans. If they are not 4pin fans then it won't work. Also, if worst comes to worse, you can get a voltage controller that will let you change the fan speed via a brute force method (I use this for all my case fans except for my radiator)

jayjay291077 · Jul 30, 2014

thanks shadowblade, fans are 4 pins, why i bought them in the 1st place.

thinking that either i've set them up wrong. at the moment got the 3 artic fans diasy chained together then one of them connected to the splitter, and my cpu fan as well, maybe i need to connect all the fans individually the splitter or take out the splitter all together and just daisy chain them as artic suggest's.

will try again later when i am at home and let you all know

Shadowblade2652 · Jul 30, 2014

Are the splitters 4 pin or 3 pin? Since 3 pin and 4 pin are intercompatible you may have gotten a 3 pin splitter that doesn''t support that. You may also want to try plugging the 3 fans into a fan controller if your case has one (what case do you have?).

jayjay291077 · Jul 30, 2014

hi Shadow,

my case dosen't have a fan controller Cooler Master Mystique 632 Black(old case but haven't got round to swapping it)

Asus M5A78l -M/usb3, mb, amd fx-1000 cpu, radon 7770 card, 2 hdd, 1 dvd drive

using an Akasa AK-CBFA03-45 Flexa FP5 PWM Splitter Cable plugged into the CPU fan pin on MB

Shadowblade2652 · Jul 30, 2014

you can buy generic fan controllers for like $15 I think. They fit into the 5.25'' bay (who uses those things anymore?). After you install just plug a Molex connector into them and then all your fans and you should be good to go.

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PWM fans and ASUS motherboard M5A78l -M/usb3

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