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How to enable eco mode on Asrock 670E Taichi£ |
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shmerl 
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 Topic: How to enable eco mode on Asrock 670E Taichi£Posted: 17 Jul 2023 at 2:22pm |
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I have AMD Ryzen 9 7950X with Asrock 670E Taichi. Supposedly there is a way to use the 105 W eco mode for the processor, but I couldn't find such option. How can it be enabled?
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shmerl
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Posted: 17 Jul 2023 at 2:51pm |
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I found a suggestion to manually set PBO limits like this:
PPT Limit: 142000 TDC Limit: 110000 EDC Limit: 170000 This matches what Gamers Nexus video described for 105 W eco mode. I'll give it a try, but it would be nice to have a simple preset like that in the UEFI. |
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shmerl
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Posted: 20 Jul 2023 at 11:39am |
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If anyone needs, I found it after exploring various options. It's in:
Advanced > AMD CBS > SMU Common Options > Eco Mode. |
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M440
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Posted: 20 Jul 2023 at 2:44pm |
you can see the option PPT Limit is in [mW] so setting it to 105000 is 105watt limit |
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shmerl
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Posted: 20 Jul 2023 at 11:25pm |
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I think that's incorrect. That 105 is not equal to PPT limit. See Gamers Nexus video about eco mode, they show the table for it.
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M440
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Posted: 21 Jul 2023 at 12:40am |
is it in [mW] miliwatt units? if it's in miliwatts than it is a wattage limit. |
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asrock b650m/hdv.m2, ryzen 7700x@85watt
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shmerl
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Posted: 21 Jul 2023 at 10:14am |
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The actual ppt is in milliwatts, yes. But that's not equal eco modes like 105 W * 1000 or 65 W * 1000. That's what I'm saying.
Like PPT for 105 W eco mode for example is 142000 mW. |
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shmerl
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Posted: 21 Jul 2023 at 10:15am |
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That's because those 105 and 65 are not realistic values of power, but some weird formulas. See that video by Gamers Nexus if you want more details.
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shmerl
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Posted: 21 Jul 2023 at 10:20am |
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Also, if you are setting it manually, setting PPT alone is not enough. You also need to set TDC and EDC.
I think that single toggle I found in the later post simply sets all 3 to those defined values I posted above. |
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M440
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Posted: 21 Jul 2023 at 3:19pm |
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PPT - power package tracking - [miliwatt]
you can track it after you set it in hwinfo - CPU PTT [W] field you can leave the other settings at 0, i'm not watching no video |
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asrock b650m/hdv.m2, ryzen 7700x@85watt
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shmerl wrote: