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Would it be possible to accidently undo the stock-overclock on a EVGA FTW card?

post #1 of 11
Thread Starter 
I have an EVGA GTX 670 FTW card, it comes stock overclocked.

Now, I know that the cards pretty much come overclocked already, but I downloaded EVGA's Precision X tool to see if it can be pushed any farther, in small increments. Thing I want to know is, is the stock-overclock set as the card's default clock and thus any overclocking offsets are set based on this already in-place overclock... or is it just a configuration preset and its possible to accidentally wipe it and bring the card down to reference stock settings by trying to set the clocks back down to their default values with the Precision X tool?
post #2 of 11
The stock OC is part of the card's BIOS. So, unless you flashed it, it's still there.

It's certainly possible for overclocking software to override the stock OC, or to assume reference clocks, but you cannot erase the stock OC.
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post #3 of 11
Quote:
Originally Posted by Cyber Akuma View Post

I have an EVGA GTX 670 FTW card, it comes stock overclocked.

Now, I know that the cards pretty much come overclocked already, but I downloaded EVGA's Precision X tool to see if it can be pushed any farther, in small increments. Thing I want to know is, is the stock-overclock set as the card's default clock and thus any overclocking offsets are set based on this already in-place overclock... or is it just a configuration preset and its possible to accidentally wipe it and bring the card down to reference stock settings by trying to set the clocks back down to their default values with the Precision X tool?

I have 2 FTW 680's and the factory overclock that the FTW cards come with become the base stock clock. So when I overclock my card using Precision X it will add the offset to the already overclocked value.

So my FTW 680 is factory overclocked to a boost clock of 1150 and if I overclock it in Precision X with an offset of +25 it should now boost to 1175. Keep in mind the the boost clock is not a guarenteed figure. Even when I leave my card at stock it actually boosts to 1176 all by itself.

But basically to answer your question. Any overclock you apply will be on top of the factory overclocked speed.

So if you add up the factory overclock plus the overclock you apply, that will be your total overclock.

I hope this makes sense.
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post #4 of 11
Thread Starter 
Hmmm, in that case, I am experiencing some pretty odd behavior.

The card actually seemed to perform much much worse with any attempts to overclock with the Precision X tool, is this because its pointless to overclock a FTW card or because the overclock's offsets in the Precision X are based in it's reference clocks instead of it's stock overclock and I was effectively underclocking?

You said it was based on it's stock clocks, if that's so then how come when I test it it's clocked lower than when at default values?
post #5 of 11
also unless you flash a new bios I don't think it's possible to accidentally erase the factory overclock.
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post #6 of 11
Thread Starter 
By the way, this is a new build and is currently running a junk install of Windows 7 that I am just testing different apps, drivers, and settings on. Once I find a stable overclock point, does it save these settings on the GPU card itself somehow or would I lose them once I reformat and re-install windows from scratch? I know the CPU will remain overclocked since that's set on the motherboard but what about my GPU?
post #7 of 11
Quote:
Originally Posted by Cyber Akuma View Post

does it save these settings on the GPU card itself somehow or would I lose them once I reformat and re-install windows from scratch? I know the CPU will remain overclocked since that's set on the motherboard but what about my GPU?

no
yes
no

i mean, write them down
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post #8 of 11
Thread Starter 
Hmmm, in that case, how would the GPU remain overclocked if the program wasn't running?
post #9 of 11
Thread Starter 
Ok, getting some weird results from the EVGA Precision X overclocking tool and the EVGA OC Scanner testing tool.

The "Power Target" setting apparently is supposed to be a sort of ceiling percentage, where if your overclock settings hit that max percentage it won't push the card harder even if your settings are set higher. Every overclocking guide and post I saw said to just set this to as high as it will go since all it will do it bottleneck your overclock if set lower.

Problem is, in the OC Scanner tool I get a massive framedrops if its set anything above the default 100%, get the GPU clock doesn't even reach 1000Mhz if I have the Power Target set to 100% in stress test mode:

http://i49.tinypic.com/hrh1sy.png

http://i48.tinypic.com/348fzfo.png

(Notice the FPS and core speeds there, its at 289FPS with a core of 992Mhz at 100%, and at 86FPS with a core of 1175 at 145%)

This happens even if all my settings are at stock, I get around 260FPS on the Fur+Tess benchmark when its at 100%, and around 88 FPS when its anywhere above 100%, whether its 110% or 145%, despite the fact that since the GPU and memory clock are both at offset +0 raiding the Power Target should have no effect.

.... help? I am very confused.
post #10 of 11
Thread Starter 
Ok, so I found a stable GPU overclock point, and still scaled iot back a little bit just for some leg-room as well as since it was still a faster overclock than I expected, and now getting started on finding a stable overclock point for the memory.

Problem is, I can't...

Rather, to be more accurate, I can't find an UNstable overclock point for the memory.

I have never overclocked a 3D card before so I don't know what would be considered an average memory overclock for them, but I have it now at an offset of +500 and after hours of stress testing, several runs of Heaven on max settings eyeballing for any artifacts, and bench-marking I have had no problems. Is 500 a low overclock, average, or high? All guides I read recommended starting out at 100 and increasing it if +100 is stable, so going by that guide 500 seems excessive. I am not sure if I should try for higher or not, or if it would even make a difference that much higher or if I am risking damaging it by going that high.
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