![]() # wrmsr is a tool used for writing values to a CPU's machine specific registers (MSR). These commands are shown for illustrative purpose. For PState, a method appeared in August 2017 ( ) and shortly after a python soft got written ( ). For CPUfreq, PHC is used and method is well documented on arch wiki ( ), I will not focus on it as I got no experience with it and no hardware to acquire it.Ģ. ![]() Method to undervolt differ depending on which "scaling" is used by your processor, Intel PState start with 2nd gen Intel Core i3/5/7 (Sandy Bridge).ġ. It is a scaling driver for the Sandy Bridge and later generations of Intel processors." docs ![]() "intel_pstate is a part of the CPU performance scaling subsystem in the Linux kernel (CPUFreq). "CPUfreq - also referred to as CPU speed scaling - is the infrastructure in the Linux kernel that enables to scale the CPU frequency in order to save power." docs. ![]() It's not a trivial thing to do, used software can physically harm your computer if wrong value are set. ![]()
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