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Cant control fan rpm...

FeTix
By FeTix
in Cooling
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This is my fan hub https://i.imgur.com/JFrqGWx.jpg if i unplugged the h100i pump cable from cpu_fan and plugged it into the white header (4 pin) on the fan hub and then plugged both of the fans from the radiator and the case fans into the fan hub and then had that cable at the top left plugged into either cpu_fan or cpu_opt should the fans all change speed depending on the cpu temp?

 

Specs:

Gigabyte Z170x Gaming 5
Corsair SP120 RGB

NZXT Noctis 450 Fan hub

 

JFrqGWx.jpg

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So just keep the pump by itself in cpu_fan then the hub into cpu_opt then one of the h100i fans into the 4 pin header so it can know a speed then al the other fans just into all of the 3 pins slots

 

Ive recently upgraded to SP120 RGB fans for my h100i cooler and plugged them into the splitter coming from the H100i (i did notice that the stock h100i fans are 4 pin and my new ones are 3 pin but i heard elsewhere it doesnt matter they will still change speed) but ive tried changing the speed of them via icue how i could before i changed fans and they dont change speed... Anyone have any idea?

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Use DC mode instead of PWM mode in the motherboard's BIOS for fan control on the port used to power the splitter

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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But the splitter isnt plugged in it just comes out of the h100i

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2 minutes ago, FeTix said:

But the splitter isnt plugged in it just comes out of the h100i

Try plugging them into your motherboard's fan headers. It should be able to control them via voltage that way.

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which fan headers? Im using sys fan 1 and the cpu_fan

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4 minutes ago, FeTix said:

But the splitter isnt plugged in it just comes out of the h100i

you still use a fan header on the board for the H100i right?

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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The pump is going into CPU_FAN and there is another cable coming off the H100i for the two fans

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Current setup: ive got the fan hub pwm cable to sys_fan1 but i cant control any of the fans (I only have my case fans connected to it and none in the white 4 pin header) but for some reason i cant change the speed of them (it says theyre at 0 rpm),

if i plugged the fan hub pwm cable into cpu_opt and put one of the fans into the white 4 pin header will it recognize it and ill be able to actually use a fan curve on them instead of them all being at 100%?

 

Fan hub: https://i.imgur.com/JFrqGWx.jpg

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That would be the problem. In order to control the speeds, data needs to be sent from the hub to the mobo, vice versa. Molex is strictly power. You would need to use USB in order to adjust the speeds.

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Ive got a pwm cable running from the fan hub to sys_fan1 on the mobo. The fan hub ive got converts a PWM signal to voltage regulation. Would it be because i havent got a fan/pump plugged into the main 4 pin white header? As it says that you need to plug your cpu cooler into the white 4 pin...

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The possible to being the problem . I would attempt that and see what happens. 

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4 hours ago, FeTix said:

Ive recently upgraded to SP120 RGB fans for my h100i cooler and plugged them into the splitter coming from the H100i (i did notice that the stock h100i fans are 4 pin and my new ones are 3 pin but i heard elsewhere it doesnt matter they will still change speed) but ive tried changing the speed of them via icue how i could before i changed fans and they dont change speed... Anyone have any idea?

The splitter coming off of the H100i uses pwm. If you try to connect 2-3pin fans to it, it'll result in 100% rpm since they don't have the built-in pwm ic to modulate the incoming 12v signal. If you want to use 3pin fans, connect them to the nzxt fan hub or another fan header on the motherboard. 

1 hour ago, VaneBlade said:

That would be the problem. In order to control the speeds, data needs to be sent from the hub to the mobo, vice versa. Molex is strictly power. You would need to use USB in order to adjust the speeds.

The fan signal for the case fan hub comes from a fan header on the motherboard through the pwm cable at the top left of the hub. 

1 hour ago, FeTix said:

Ive got a pwm cable running from the fan hub to sys_fan1 on the mobo. The fan hub ive got converts a PWM signal to voltage regulation. Would it be because i havent got a fan/pump plugged into the main 4 pin white header? As it says that you need to plug your cpu cooler into the white 4 pin...

You need a 4pin pwm fan plugged into the white fan header. It's where the rpm is read and the motherboard fan header won't otherwise detect the fan hub.

Make sure to quote a post or tag a member or else they won't get a notification you replied to them.

 

Please don't make multiple threads for the same discussion -- they've been merged. 

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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Can i get a 4 pin to 3 pin cable and use it ?

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4 hours ago, FeTix said:

Can i get a 4 pin to 3 pin cable and use it ?

What are you referring to? 

There's no adapting 4 pins to 3 pins. One pin would just be missing. 

 

Make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them..

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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