B650i Lightning WiFi unable to set cTDP in BIOS

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   M/b: B650i Lightning WiFi
BIOS versions: 2.02, 2.08.AS01
CPU: Ryzen 8700g

In BIOS, under Advanced > AMD CBS > SMU common options,
No matter which settings I change, they reset to Auto after a restart.

For example, when changing "System Configuration" to 45W, there is seemingly no effect.
If I try to set SPL/PPT to Manual, they reset to Auto as well.

What could my issue be?

It looks like someone could change those values, e.g.
https://www.phoronix.com/review/ryzen-8000g-35w-45w

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charango Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Feb 2024 Location: Switzerland Status: Offline Points: 35	Post Options Post Reply Quote charango Report Post Thanks(0) Quote Reply Topic: B650i Lightning WiFi unable to set cTDP in BIOS Posted: 17 Feb 2024 at 11:58pm
	M/b: B650i Lightning WiFi BIOS versions: 2.02, 2.08.AS01 CPU: Ryzen 8700g In BIOS, under Advanced > AMD CBS > SMU common options, No matter which settings I change, they reset to Auto after a restart. For example, when changing "System Configuration" to 45W, there is seemingly no effect. If I try to set SPL/PPT to Manual, they reset to Auto as well. What could my issue be? It looks like someone could change those values, e.g. https://www.phoronix.com/review/ryzen-8000g-35w-45w

charango Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Feb 2024 Location: Switzerland Status: Offline Points: 35	Post Options Post Reply Quote charango Report Post Thanks(0) Quote Reply Posted: 25 Feb 2024 at 11:53pm
	The issue fixed itself by switching DDR5 to the default 4800 frequency. Not sure why the BIOS wouldn't store the power settings when using an XMP profile.