I bought a Sapphire 7970 OC with Boost recently and am wondering about the BIOS switch it has on it. Apparently you can slide it to BIOS 2 and it has an overclock and a more aggressive fan profile on it. Do I need to turn the computer off before I slide the switch over to the new BIOS on the GPU or can I do it on the fly while Windows is loaded? Probably a stupid question but I don't want to break anything!
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