Unlocking the GTX-590 GPU BIOS voltage

Several Nvidia graphics cards are sold with locked voltages, and for good reason. The problem, however, is this prevents stable overclocks when attempting to increase the graphics cards GPU and memory speed. At ipKonfig we’re always trying to squeeze out extra juice from our hardware – more or less stretching the all-mighty dollar as far as we can. With Nvidia’s latest graphics card hitting the market, the GTX-680, upgrading to the latest and greatest can put a large dent in your wallet.

In this article we’re going to show you a simple process to squeeze performance out of your graphics card by adjusting and/or unlocking its voltage.

First, some caution

Note: ipKonfig.com will not be held responsible for any damages to your hardware, self or property. By reading this article you agree to take sole responsibility to all damages mentioned. Please also be aware that this article will void any warranties on your graphics card.

Overclocking is the most effective way  to gain performance out of your hardware. Keep in mind, however, that while Overclocking may  gain you more performance – it too will also increase heat on your hardware (along with the possibility of making your system unstable). Proper cooling is extremely important.

In this article we’re using the EVGA GTX-590 Classified graphics card. It is by far the most amazing graphics card in the 500 series released by Nvidia – though not cheap, either. The GTX-590 is a Dual-GPU card, meaning it incorporates two Graphics Processor Units into one card – 2-Way SLI.

EVGA’s GTX-590 is a rock-solid-stable graphics card and provides outstanding 2-Way SLI performance. Because the GPU is labeled as the “Classified” version, the card comes Overclocked at 630Mhz on the core – standard core is 607Mhz. With EVGA’s “Classified” edition, the graphics card is slightly Overclocked straight out of the box.

There are several videos on this procedure, though several lack detail for the viewer and we wanted to show you an outlined step-by-step procedure. Note that not all Nvidia graphics cards will have locked voltage settings within their bios. While this article is aimed at locked voltage settings, it can be used in the same format for increasing voltage settings for cards that are not locked – we highly recommend great caution whether you are unlocking or adjusting any voltages on your card(s).

What you need and folder structure

First let us start out by saying: we’re going into the video card’s BIOS – this is a dangerous area to be in. If your stomach just turned, it’s best to walk away now.

There are several applications around the web, but we’re going to stick with some simple trusted apps we’re familiar with and are well recognized. The following are the applications you will need to download, links provided, before we begin:

• NiBiTor
• Nvflash
• GPU-Z
• EVGA PrecisionX

Before we jump into the software let us begin with creating a folder structure to help prevent any confusion on what we’re about to do – which makes the process a tad easier.

• First create a folder and name it “GTX590” on your desktop, or on another hard drive if you prefer (you can name  it to whatever you like)
• Now open your newly created folder “GTX590” and create two more folders inside
  • Create a folder named “BINs”
  • Create a folder named “ROMs”

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