X570 Phantom Gaming X Southbridge Fan Speed

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   I have recently built a new PC with the following specs

Asrock X570 Phantom Gaming X motherboard
Ryzen 3700X with default wraith prism fan
GSkill 16 gb 3600mhz RAM
Powercolor Red Devil RX 5700XT
Corsair mp510 PCIe Gen3 x4 M.2 SSD
Corsair 750w 80+ Gold CPU

On default not running any intensive programs other than Chrome and Steam, Southbridge temperature idles at 65 degrees Celcius. SB fan when PC is not under heavy load runs from 4500 to 4850 rpm.

Is this temperature normal for Southbridge heatsink? The Southbridge fan is extremely loud even when PC is idle. Is there a setting in BIOS to reduce the temperature and lower the fan speed? I searched in Asrock BIOS setting and can only find setting for CPU fan curve. 

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rappy501 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 2019 Status: Offline Points: 25	Post Options Post Reply Quote rappy501 Report Post Thanks(0) Quote Reply Topic: X570 Phantom Gaming X Southbridge Fan Speed Posted: 08 Oct 2019 at 11:51am
	I have recently built a new PC with the following specs Asrock X570 Phantom Gaming X motherboard Ryzen 3700X with default wraith prism fan GSkill 16 gb 3600mhz RAM Powercolor Red Devil RX 5700XT Corsair mp510 PCIe Gen3 x4 M.2 SSD Corsair 750w 80+ Gold CPU On default not running any intensive programs other than Chrome and Steam, Southbridge temperature idles at 65 degrees Celcius. SB fan when PC is not under heavy load runs from 4500 to 4850 rpm. Is this temperature normal for Southbridge heatsink? The Southbridge fan is extremely loud even when PC is idle. Is there a setting in BIOS to reduce the temperature and lower the fan speed? I searched in Asrock BIOS setting and can only find setting for CPU fan curve.

rappy501 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 2019 Status: Offline Points: 25	Post Options Post Reply Quote rappy501 Report Post Thanks(0) Quote Reply Posted: 08 Oct 2019 at 11:52am
	oops I meant Corsair 750w 80+ Gold PSU

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(1) Quote Reply Posted: 08 Oct 2019 at 4:52pm
	X570 Taichi:
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

rappy501 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 2019 Status: Offline Points: 25	Post Options Post Reply Quote rappy501 Report Post Thanks(0) Quote Reply Posted: 11 Oct 2019 at 2:18pm
	Thanks, I found the SB fan speed options. SB fan idles at 65 degrees celcius, is this normal for X570 Phantom Gaming X?

AngryAdm!n Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2020 Location: Denmark Status: Offline Points: 12	Post Options Post Reply Quote AngryAdm!n Report Post Thanks(0) Quote Reply Posted: 03 Sep 2020 at 8:56am
	Same problem here. 70C SB_Temp under BIOS 1.70 Then I upgraded to 3.40 and then... Conveniently Asrock removed the SB_temp display in BIOS 3.40 Probably so we wouldnt complain about it anymore. However, the SB fan runs at a silly 4000 RPM in BIOS menu and is crying out while in windows idling aswell.. TBH, I am kinda tired of this board and I had it for 36 hours..