Hello, I have some time trying to overclock my graphics and unable to move from 910 MHz on the core I've thrown to make a change in the parameters of the graphics card BIOS to achieve a higher ceiling when climbing the frequency of the graphics chip. And I will take to pay you a mini-guide if anyone is encouraged to follow my steps, let us begin :
The first step is to determine the conditions of our graphics card, and I mean not only to know the manufacturer and "part number", but to find out if we use the reference PCB. Having the reference PCB may not be very important, but do not have it run the risk of having an error when flashing our graphics card, so we'll have to click a chart in another PCI-E that we free to reflash the BIOS original.
In my case part of this chart:
As we can see, the PCB design is quite different from the reference used by ATI, so I will not be able to use the BIOS from another manufacturer to replace it, I'll have to edit the parameters contained in my own BIOS. On the other hand, is a good thing, the VRMs are cooled by a fairly large heatsink and the heatsink of the chip is quite generous (Zalman VF1050), allowing us to put the screws a little more. They also say that this plot comes to 900/975 instead of 850/975 to which we have used the benchmarks.
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