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- voltages to the iGPU. Copied from PDF File on Ryzen Master Guide:
- AMD Ryzen™ Master Overclocking User’s Guide
- Rev. 1.20 February 2018 42 AMD Ryzen™ Master 1.2 Addendum
- a. The GFX Voltage is referenced to the SOC Power Domain’s master SOC Voltage (3) b. The GFX Voltage can be raised above the SOC Voltage without reset c. If the GFX Voltage is lowered below the SOC Voltage, the GFX Voltage will be automatically raised to the SOC Voltage 3. The SOC Voltage sets the master voltage for the SOC Power Domain a. The SOC Voltage is typically set first to achieve the desired memory overclocking level i. It is not necessary to overclock the memory if your goal is to raise the SOC Voltage only to overclock the GPU. b. If SOC Voltage is changed and Applied: i. And the APU GFX Speed row (4) is active (observed by the Apply) 1. The automatic restart will set the GFX Voltage to the new SOC Voltage 2. and the GFX Clock speed will be applied 3. putting the GPU into overclocked mode ii. And the APU GFX Speed row is inactive (ignored by the Apply) 1. The automatic restart will leave the GPU in stock mode 2. The GFX Voltage and Clock will remain unchanged and have no effect c. When the APU GFX Speed row is activated and Applied i. The GFX Voltage will be adjusted relative to the SOC Voltage ii. and the GFX Clock speed will be applied iii. putting the GPU into overclocked mode 4. The APU GFX Speeds domain (row) can be toggled: a. Active (green) such that the graphics control settings are observed by the profile Apply action i. When active, any Apply of the profile will result in the GFX Clock and Voltage being set and the GPU put into the overclocked mode, even if only at the low default values. b. Inactive (gray) such that the graphics control settings are ignored by the profile Apply action i. When inactive, any Apply that requires a reset will ignore the GFX Clock and Voltage settings ii. and the reset will reset the GPU to stock mode, regardless of whether the GPU is in stock or overclocked mode before the Apply action. iii. If you wish the GPU to remain in an overclocked state, the APU GFX Speeds domain must be Active and the desired GFX Clock and Voltage set.
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