AMD Motherboards - X470 Taichi ultimate fan start weird sound

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X470 Taichi ultimate fan start weird sound

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=12456
Printed Date: 05 Feb 2025 at 5:55pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: X470 Taichi ultimate fan start weird sound

Posted By: marcin2468
Subject: X470 Taichi ultimate fan start weird sound
Date Posted: 18 Sep 2019 at 12:24am

Hello

I bought weeek ago motherboard x470 taichi ultimate.
I changed b450 tomahawk to taichi. It was simple and works great from first turn on.
My set:
Ryzen 2700
x470 taichi ultimate bios P3.30
2x8 GB 3200 MHz cl15 ram g skill
goodram iridium pro 240 GB
MX 500 500 GB
GTX 1070 palit superjetsream
RMX 750 W 2018 edition
Fractal r6 blackout + 2 bequiet purewings 140 mm pwm

Unfortunately there is one small problem. In bios I set that two fans from bequiet to start from 45 celsius degree (dc mode because I cant set start in pwm mode from 45 deegres ). Sometimes when fan connected to CHA_FAN1/WP starts I hear weird sound like scratch or coil noise. Its hard to determine this sound.

I tried to change fans connected to CHA_FAN1/WP but always result is the same on this one fan connector.
Be quiet fans have six months, case with fans I bought year ago so all fans aren t faulty I guess.

On b450 tomahawk bequiet fans was set to start from 450 degrees and there wasn t any sound like on taichi.

Does I set something wrong in bios or motherboard is faulty? Maybe You know reason of this weird sound?

Regards
Marcin