Re: AMDMSR Tweaker V1.1 64 Bit

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Mina Delahoussaye

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Jul 10, 2024, 2:56:37 PM7/10/24

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AMDMSR Tweaker V1.1 64 bit: A Tool for Adjusting AMD CPU P-States

If you have an AMD CPU or APU that supports Cool&Quiet technology, you might be interested in tweaking its P-States to optimize its performance and power consumption. P-States are the operating modes of the CPU, which determine its clock speed and voltage. By adjusting the P-States, you can lower the power consumption and heat output of your CPU, or increase its performance and overclocking potential.

One of the tools that can help you with this task is AMDMSR Tweaker V1.1 64 bit, a command line tool for Windows that allows you to reprogram the P-States used by various CPUs and APUs of AMD. This tool is based on the original AmdMsrTweaker by Martin Kinkelin, but it has been updated and improved by mpollice to support more CPUs and APUs, as well as 64-bit Windows systems.

AMDMSR Tweaker V1.1 64 bit

Download Zip https://urlca.com/2ySZd4

How to Use AMDMSR Tweaker V1.1 64 bit

To use AMDMSR Tweaker V1.1 64 bit, you need to download the precompiled binary from GitHub and extract it to a folder of your choice. You also need to download the WinRing0 library, which is not included in the GitHub repository, and extract it to the same folder as the AMDMSR Tweaker executable.

Before you run the tool, you should make a backup of your current P-States settings, in case something goes wrong or you want to restore them later. To do this, open a command prompt as administrator and navigate to the folder where you extracted the tool. Then type the following command:

AMDMSRTweaker.exe /backup backup.txt

This will create a file called backup.txt in the same folder, which contains your current P-States settings. You can open this file with a text editor to see the values of each P-State.

To change the P-States settings, you need to use the following syntax:

AMDMSRTweaker.exe [options] [P-State parameters]

The options are optional switches that modify the behavior of the tool. The available options are:

/startup: This option makes the tool run automatically at every system startup, applying the specified P-States settings.

/restore: This option restores the original P-States settings from a backup file.

/revert: This option reverts the changes made by the tool and restores the original P-States settings from the BIOS.

/verbose: This option enables verbose output, showing more information about the current and modified P-States settings.

/help: This option shows a help message with a brief description of each option and parameter.

The P-State parameters are required arguments that specify the values of each P-State. The syntax for each parameter is:

P-State:VID:DID:FID

The P-State is a number from 0 to 7, indicating which P-State you want to modify. The VID is a hexadecimal number from 00 to 3F, indicating the voltage identifier of the P-State. The DID is a hexadecimal number from 00 to 0F, indicating the divisor identifier of the P-State. The FID is a hexadecimal number from 00 to FF, indicating the frequency identifier of the P-State.

The actual voltage and frequency values of each P-State are calculated from these identifiers using some formulas. You can use an online calculator to find out the corresponding values for each identifier, or vice versa.

For example, if you want to modify the P-State 0 (the highest performance mode) of your CPU to have a voltage of 1.4 V and a frequency of 4 GHz, you need to find out the VID, DID and FID that correspond to these values. Using the online calculator, you can see that these identifiers are 10, 00 and 20 respectively. So, the parameter for this P-State would be:

0:10:00:20

You can specify up to 8 parameters, one for each P-State, separated by spaces. If you omit a parameter, the tool will not modify that P-State. If you specify an invalid parameter, the tool will show an error message and exit.

For example, if you want to modify only the P-States 0, 1 and 2 of your CPU, you can use the following command:

AMDMSRTweaker.exe 0:10:00:20 1:12:00:1C 2:14:00:18

This will change the P-State 0 to have a voltage of 1.4 V and a frequency of 4 GHz, the P-State 1 to have a voltage of 1.35 V and a frequency of 3.6 GHz, and the P-State 2 to have a voltage of 1.3 V and a frequency of 3.2 GHz. The other P-States will remain unchanged.

Precautions and Tips

Before you use AMDMSR Tweaker V1.1 64 bit, you should be aware of some precautions and tips:

Use this tool at your own risk. Changing the P-States settings can affect the stability and reliability of your system, and may void your warranty. Make sure you have a backup of your original settings and test your system for stability after applying any changes.

Do not use this tool in conjunction with other tools or software that modify the P-States settings, such as AMD OverDrive, AMD Ryzen Master, or BIOS settings. This may cause conflicts and unexpected results.

Do not use this tool on CPUs or APUs that are not supported by the tool. The tool supports most AMD CPUs and APUs from K10 to Zen architectures, but not all of them. You can check the compatibility list on GitHub or run the tool without any parameters to see if your CPU or APU is supported.

Do not set the voltage or frequency values too high or too low for your CPU or APU. This may damage your hardware or cause instability issues. Always monitor your CPU temperature and power consumption, and use stress tests to check the stability of your system.

Do some research and experimentation to find the optimal P-States settings for your CPU or APU. You can use benchmarks and performance tests to measure the impact of your changes on your system performance and power consumption. You can also read some guides and tutorials online to get some ideas and tips from other users.

Conclusion

AMDMSR Tweaker V1.1 64 bit is a useful tool for adjusting the P-States settings of your AMD CPU or APU, which can help you optimize its performance and power consumption. However, you should use this tool with caution and knowledge, as changing the P-States settings can also affect the stability and reliability of your system. If you are interested in trying this tool, you can download it from GitHub and follow the instructions in this article.