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Creating a Modified BIOS for a GTX 400 Series GPU

@ 2011/01/21

This short tutorial is based on my Gigabyte GTX470, it's a reference card with a slightly higher GPU clock of 630 MHz. A standard GTX470 has the max GPU voltage locked at 1.087 V, but there's an easy way to unlock up to 1.212 V. Here are some steps on how to unlock the max voltage on a GTX4xx GPU.

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Comment from geoffrey @ 2011/01/23

from 600 -> 900 MHz makes this quite a powerhouse.

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