Kepler VBIOS Tuner

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How to Use Kepler VBIOS Tuner to Modify Your NVIDIA GeForce Graphics Card

If you have an NVIDIA GeForce graphics card based on the Kepler architecture, such as the GTX 600 or GTX 700 series, you may want to tweak its performance and features using a tool called Kepler VBIOS Tuner. This tool lets you modify the video BIOS (VBIOS) of your graphics card, which controls various parameters such as clocks, voltages, fan speeds, power limit and more.

In this article, we will show you how to use Kepler VBIOS Tuner to customize your graphics card and improve its performance, cooling and stability. We will also explain some of the risks and benefits of VBIOS modding, and how to backup and restore your original VBIOS in case of any problems.

What is Kepler VBIOS Tuner?

Kepler VBIOS Tuner is a software tool developed by Svet, a well-known member and administrator of the MSI Global English Forum. It is designed to work with NVIDIA GeForce graphics cards based on the Kepler architecture, such as the GTX 600 and GTX 700 series. It does not support the GTX 750 Ti, which is based on the Maxwell architecture and requires a different tool called Maxwell BIOS Tweaker.

Kepler VBIOS Tuner allows you to modify various parameters of your graphics card's VBIOS, such as:

• Clocks: You can adjust the core clock and memory clock frequencies of your graphics card, which affect its performance and power consumption.

• Voltages: You can change the voltage levels of your graphics card's core and memory, which affect its stability and temperature.

• Boost Limits: You can modify the boost limits of your graphics card's core clock, which affect how high it can overclock under load.

• Fan Speeds: You can customize the fan speed curve of your graphics card's cooler, which affects its noise level and cooling efficiency.

• Power Limit: You can change the power limit of your graphics card, which affects how much power it can draw from the power supply.

By modifying these parameters, you can optimize your graphics card for different scenarios, such as gaming, mining, benchmarking or undervolting. You can also unlock some hidden features or fix some issues that may be present in your graphics card's original VBIOS.

How to Use Kepler VBIOS Tuner?

To use Kepler VBIOS Tuner, you need to follow these steps:

1. Download Kepler VBIOS Tuner from TechPowerUp. The latest version is v1.27 as of October 14th, 2015.

2. Extract the ZIP file to a folder on your computer. You will see a file called KeplerBiosTweaker.exe.

3. Run KeplerBiosTweaker.exe as an administrator. You will see a window like this:

1. Click on "Open BIOS" and select your graphics card's original VBIOS file. You can use GPU-Z or NVFlash to backup your original VBIOS before modifying it. You will see a window like this:

1. Click on "Edit" and select the parameter you want to modify. You will see a window like this:

1. Enter the new value for the parameter you want to modify. For example, if you want to increase the core clock by 100 MHz, enter 100

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