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2400g troubles (bios mysteries, IGP throttling)

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Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
Printed Date: 24 Mar 2023 at 10:26am
Software Version: Web Wiz Forums 12.04 -

Topic: 2400g troubles (bios mysteries, IGP throttling)
Posted By: 111a
Subject: 2400g troubles (bios mysteries, IGP throttling)
Date Posted: 26 Feb 2018 at 1:16pm
" rel="nofollow -
Hello guys, sorry for my english )

I just bought ASRock ab350 itx and 2400g, refreshed bios to 4.43, installed windows10 1709 and...

First trouble. Bios and Ryzen Master settings simply useless, you cant save it. Vcore, frequency, smt... anything. CPU mhz always on stock, voltage too. I cant undervolt my CPU (I use 2400g in the really small rig).
If you trying to change something in Ryzen Master - CPU vcore goes to 1.4 - 1.5V. Only thing you can really do - change IGP frequency (hello 1.4 - 1.5v).

Second trouble. Demanding games have terrible stutters. Why? Because APU is throttling (50-60 celsius throttling lol), IGP frequency bouncing from 600 to 1240 mhz. I tried everything: disable cool and quite (btw i cant because bios), windows power plan, afterburner, but nothing help.

BTW. I have system on ryzen 1700 and asus b350, and everything is fine since start (march 2017)

So, I have system with unplayble games and broken bios. Please help =)

Posted By: CoreySmith1200
Date Posted: 26 Feb 2018 at 2:40pm
I did clean windows 1709, chipset install orders, and I cannot get rid of the stuttering at all. I think AMD might just need to update for the iGPU, not sure if there is much we can do for now.

Ryzen master works for me if u hit apply, however anytime I try to overclock the iGPU more than like 20Mhz the pc gets KO'd lol. 

ASRock fatality mini ITX b350
corsair vengeance 2x8gb 3200 Mhz (this ram is on supported raven ridge list for this mobo)

Posted By: JohnM
Date Posted: 26 Feb 2018 at 8:31pm
@111a Try clearing your CMOS.

The Radeon driver has known issues. Some are mentioned in the release notes. There will be an update soon.

ASRock Fatal1ty AB350 ITX P4.90, AMD Ryzen 5 2400G, 2x8GB Corsair CMK16GX4M2A2666C16, 250GB Samsung 960EVO, 500GB Samsung 850EVO, 4TB WD Blue, Windows 10 Pro 64, Corsair SF450, Cooler Master Elite 110

Posted By: toanpam
Date Posted: 27 Feb 2018 at 12:51am
" rel="nofollow - I got this problem too, but on MSI B350M Gaming Pro. I intend to buy ASROCK AB350M Pro4. But when I see this thread I think this problem happen not only on few models of mainboard. Do anyone have other mainboard with the same problem?

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