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cTDP in Deskmini X300 / X300M-STX

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Category: Technical Support
Forum Name: HTPC&Gaming Barebone&Others
Forum Description: Question about HTPC&Gaming Barebone&Others
Printed Date: 16 Apr 2024 at 11:59am
Software Version: Web Wiz Forums 12.04 -

Topic: cTDP in Deskmini X300 / X300M-STX
Posted By: Gordon D
Subject: cTDP in Deskmini X300 / X300M-STX
Date Posted: 24 Nov 2022 at 12:36pm
I had a Ryzen 3200G in my Deskmini X300. The price of a 5600G is now so low that I bought one and upgraded.

I found and tried the setting in the BIOS (v1.70) to reduce the TDP to 45 or 35 watts, but my 3200G didn't support the feature, so it made no difference.

So after I upgraded to the 5600G, which does support setting to 45W, I went into the BIOS to try it. And couldn't find it.

Can anyone tell me where I can find that setting in the X300M-STX BIOS?

Posted By: Gordon D
Date Posted: 25 Nov 2022 at 11:10am
Its bizarre. I had a 3200G that doesn't support 45W mode in this PC and the BIOS offered me that choice anyway. I put in a 5600G that does, and that choice has disappeared from the Advanced section of the BIOS. I now know where I found that BIOS option - Advanced > AMD CBS > NBIO - because I put the 3200G into another Asrock motherboard, and now its BIOS offers me that choice of configuring the CPU's TDP.

Posted By: Carl-di-Ortus
Date Posted: 04 Mar 2023 at 4:08am
I have registered just to answer your question, as I have been facing the same problem for years.

I have 4750G and I have installed the beta bios version 1.80a (available to be downloaded on official X300 page).

The setting you want then is here: OC Tweaker -> SMU Common Options -> System Configuration AM4 -> here I'm presented with a choice:

* 65W
* Auto

Posted By: Gordon D
Date Posted: 05 Mar 2023 at 12:56pm
Thanks. I've got the 1.70 BIOS. But its in the same place in that.

The spec for my 5600G (100-000000252BOX) says 45W-65W. So I changed to the 45W setting. It seems to not make any measurable difference to anything. Clock speed. Performance. Or power usage.

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