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Need help reducing or turning off PCH fan speed on ASUS board.

Dpro46
By Dpro46
in Cooling
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I've got an ASUS X570 Ace Mobo that the PCH fan is constantly running at 4500rpm+ even at the bios screen and during idle load. It makes a very high pitch whining noise and I do not know a way to change that myself. Any help would be appreciated.

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Check the Monitor section in the motherboard settings. There may be a setting to enable PCH fan control which should allow a custom fan curve using QFan. 

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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1 minute ago, WoodenMarker said:

Check the Monitor section in the motherboard settings. There may be a setting to enable PCH fan control which should allow a custom fan curve using QFan. 

I will say I am not very good at navigating MOBO bios settings but I will have to check that one out on my next restart and let you know what I find. Is that a common thing they have disabled?

 

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1 minute ago, Dpro46 said:

I will say I am not very good at navigating MOBO bios settings but I will have to check that one out on my next restart and let you know what I find. Is that a common thing they have disabled?

Fan control is often disabled for AIO / PUMP headers by default but I'm not sure about the PCH fan header.

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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7 minutes ago, WoodenMarker said:

Fan control is often disabled for AIO / PUMP headers by default but I'm not sure about the PCH fan header.

So I checked on my bios settings and the only thing I found was to ignore or monitor the speed directly.. I've been reading a bunch of forums saying how annoying that PCH fan is especially at 4500+rpm at idle. Any other options you can think of?

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2 minutes ago, Dpro46 said:

So I checked on my bios settings and the only thing I found was to ignore or monitor the speed directly.. I've been reading a bunch of forums saying how annoying that PCH fan is especially at 4500+rpm at idle. Any other options you can think of?

Software like FanControl might work. 

 

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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low noise adapter could be an option (those for case fans will do if you dont mind wire hanging out). How hot does the PCH get? Also possible that someone forgot to put thermal pad or paste on it before installing the heatsink for it

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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