simshadows

Ryzen 9950X3D Overclocking - BIOS UI Guide

(This is specific to my motherboard.)

PBO Limits

The PBO limits (PPT/TDC/EDC) are measured in mW or mA (as stated in the BIOS). They’re absolute values, so to input 250W, you put in 250000.

Curve Optimizer

TODO

Curve Shaper

There are 15 numbers you can set to shape the PBO curve:

Min FrequencyLow FrequencyMedium FrequencyHigh FrequencyMax Frequency
Low TempLow Temp
Min Freq
Low Temp
Low Freq
Low Temp
Medium Freq
Low Temp
High Freq
Low Temp
Max Freq
Medium TempMedium Temp
Min Freq
Medium Temp
Low Freq
Medium Temp
Medium Freq
Medium Temp
High Freq
Medium Temp
Max Freq
High TempHigh Temp
Min Freq
High Temp
Low Freq
High Temp
Medium Freq
High Temp
High Freq
High Temp
Max Freq

For the purposes of my overclocking, I don’t care about the temperature values. I only care about the frequencies.

For shorthand, I express the curve shaper configuration with 5 numbers:

To achieve this in the BIOS,

(TODO)