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Overclocking my 5770, anything to be worried about?

post #1 of 4
Thread Starter 
I have no experience OCing a CPU or GPU but ATI overdrive makes it look really easy. How should I go about increasing the clock speeds, and what should I stop raising them at?

I really don't want to increase the voltage or anything since I have heard that that might be harmful to my GPU.
post #2 of 4
Graphics cards have voltage caps on them, even when the slider in afterburner is cranked up all the way it still don't harm your gpu. Unless ofcourse you mod it. Just don't over do it, or you will see a lot of bad signs artifacts, driver crashes and so on.
post #3 of 4
The best advice that I can give you is to slowly increase the overclock by about 10-25 MHz at a time on the Core Clock and then test in Furmark for about twenty minutes. Once you get to a point where it starts to crash, back it down and then test for full stability for about an hour or so. Once you have that stable, put that back to stock and then test the Memory Clock, working it the same way that you did with the Core Clock. Once you find the stable level for the Memory, then start finding the level where both clocks are stable. Make sure your temperatures aren't going above dangerous levels, although a 5770 shouldn't get to that point. Test for full stability for a few hours. If you do get to the point where you want to increase voltage, be sure to do it slowly and keep a watchful eye on your temperatures.
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Phantom
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CPUMotherboardGraphicsRAM
2500K Asus P8Z68-V Nvidia GTX580 GSkill RipJaws DDR3 
Hard DriveHard DriveHard DriveOptical Drive
Crucial C300 Western Digital Blue Western Digital MyBook External LG Super-Multi 
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NZXT Phantom - black Logitech G9x Ratzpad 
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post #4 of 4
Thread Starter 
Quote:
Originally Posted by Roweyi7 View Post
Graphics cards have voltage caps on them, even when the slider in afterburner is cranked up all the way it still don't harm your gpu. Unless ofcourse you mod it. Just don't over do it, or you will see a lot of bad signs artifacts, driver crashes and so on.
What should I make it then? Could you recommend some decent speeds?

Here is what it is at right now:

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