Coil whine after 0x12B bios microcode

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   Hi all!

Unfortunately after finally getting around to updating the BIOS on my Z790 Nova WiFi , I?�ve now got some cool whine on the MB. 

Bios 7.01 

Took me a while to narrow down the culprit but it is indeed the MB.
Before the bios update it never made a sound, now in games (though not under stress testing) the coil whine is loud enough to be irritating, it ranges in pitch and flutters. There?�s also a slight buzz at idle on desktop. 

After applying the BIOS update I replaced my previous setting with my PL levels ect and my Core offset voltage I?�d previously run. All is stable .. I?�ve tried all kinds of settings reverting to baselines ect but the whine remains now. 

I narrowed it down to the MB /cpu power ,once I realised that changing the power state (operation) in the phantom gaming app to power saving from standard eliminated the while /buzz but unfortunately tanks my frame considerably. 

Any help as to what?�s changed in my new bios? A power value hidden away? Something with the VRMs? 
Everything was wonderful before , I had no issues but was advised to update bios, really wish I hadn?�t now. 

Asrock z790 nova wifi
4070 ti super 
96gb Kingston renegade @ 6400 (xmp1) 

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MrSilver Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Dec 2024 Location: Scotland Status: Offline Points: 20	Post Options Post Reply Quote MrSilver Report Post Thanks(0) Quote Reply Topic: Coil whine after 0x12B bios microcode Posted: 10 Dec 2024 at 11:45am
	Hi all! Unfortunately after finally getting around to updating the BIOS on my Z790 Nova WiFi , I?�ve now got some cool whine on the MB. Bios 7.01 Took me a while to narrow down the culprit but it is indeed the MB. Before the bios update it never made a sound, now in games (though not under stress testing) the coil whine is loud enough to be irritating, it ranges in pitch and flutters. There?�s also a slight buzz at idle on desktop. After applying the BIOS update I replaced my previous setting with my PL levels ect and my Core offset voltage I?�d previously run. All is stable .. I?�ve tried all kinds of settings reverting to baselines ect but the whine remains now. I narrowed it down to the MB /cpu power ,once I realised that changing the power state (operation) in the phantom gaming app to power saving from standard eliminated the while /buzz but unfortunately tanks my frame considerably. Any help as to what?�s changed in my new bios? A power value hidden away? Something with the VRMs? Everything was wonderful before , I had no issues but was advised to update bios, really wish I hadn?�t now. Asrock z790 nova wifi 4070 ti super 96gb Kingston renegade @ 6400 (xmp1)