Under the actions tab, set the action to and browse to target your custom .bat script file. Risks and Safety Guidelines
Where:
Once you're confident in your settings, you have two options:
Because it is free, users must be cautious about where they download it. The official source is typically GitHub (hosted by community developer "Igor" or "CodeRush" variations). Beware of "mirror sites" offering "Pro versions" or "Cracked v12"—these likely contain malware. The legitimate v11 is fully functional without a paywall.
: Run the executable as an administrator. You must input specific codes for the P-States and voltages you wish to modify. amdmsr tweaker v11 64 bit free
The tool allows you to manually adjust multipliers and voltages for different P-States. Version 1.1 introduced support for Trinity, Richland, and preliminary Kaveri architectures. : Athlon and Phenom models. Family 12h & 14h : Llano, Ontario, and Zacate.
to function, which is not always included in the basic repository.
When undervolting, lower your Voltage ID by one step at a time. Test for system stability between changes.
Always run a virus scan on any executable downloaded from community sites. Under the actions tab, set the action to
As a CLI tool, it lacks a graphical interface, which might be challenging for beginners. Conclusion
Some pre-built systems (from manufacturers like Dell, HP, or Lenovo) completely lock out voltage and frequency adjustments in the BIOS. AMD MSR Tweaker modifies these values from within the operating system, bypassing those restrictive firmware locks. Supported Processors
: The tool loads a ring-0 kernel driver, meaning Command Prompt must be run as an Administrator.
Let me know your specifications, and I can provide a step-by-step guide for a safe alternative! Share public link Beware of "mirror sites" offering "Pro versions" or
Being a command-line tool, it does not require a complex installation process, making it very "portable" and light on system resources. How to Use AMDmsr Tweaker (Basic Guide)
The "v1.1 64-bit" designation means the utility includes a native 64-bit executable ( AmdMsrTweakerX64.exe ) and a signed 64-bit kernel driver. This driver allows the software to bypass Windows kernel protections to adjust core multipliers, voltages, and power management features on the fly. Key Features
: These represent operational performance states. P0 is typically the highest performance state (maximum clock speed), while higher numbers (P1, P2, etc.) represent increasingly aggressive power-saving states with lower clock speeds and voltages.