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~~The GTX 670 Overclocking Master-Guide~~ - Page 225

post #2241 of 3357
Quote:
Originally Posted by xonare View Post


Not working on my end. It still boosts past 1202.

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post #2242 of 3357
Quote:
Originally Posted by EarlZ View Post

Not working on my end. It still boosts past 1202.
Warning: Spoiler! (Click to show)
Do you have any OC set in Precision X or something like this?
post #2243 of 3357
Quote:
Originally Posted by Br3ach View Post

Great post thumb.gif Just to chip in here (admittedly I didn't read through all 200 pages of follow-up so apologies if this has been mentioned already.

Relating to memory overclocking I've found out that using MemtestCL is much better to locate memory instabilities than the good old 'watch out for artifacts method'. Even when I though I was 100% stable this tool was finding 1 error / 4 hours of running so I had to decrease the frequency a notch. Now I'm 100% stable ;-)

Are you sure that MemtestCL doesn't produce any false positives?
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post #2244 of 3357
Quote:
Originally Posted by xonare View Post

Do you have any OC set in Precision X or something like this?

Yes, how else would I reach 1202? I just decided not to link both cards settings and offset 13Mhz more on the top card to even both of them out.
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post #2245 of 3357
Quote:
Originally Posted by EarlZ View Post

Yes, how else would I reach 1202? I just decided not to link both cards settings and offset 13Mhz more on the top card to even both of them out.
Hmm, I've got set 1228Mhz in boost tables/max boost and with 1.187V (1.212V boost) I have this 1228Mhz. No OC whatsoever on the GPU clock, because anything higher gets me to crash smile.gif while I'm playing / testing, card boosts to 1228Mhz according to set tables. If you have OC set in Precision X set on and tables for 1202Mhz with higher voltage than stock then I think it can go over this thus causing you to crash.

What do GPU-Z reads while you stress test?
post #2246 of 3357
Quote:
Originally Posted by xonare View Post

Hmm, I've got set 1228Mhz in boost tables/max boost and with 1.187V (1.212V boost) I have this 1228Mhz. No OC whatsoever on the GPU clock, because anything higher gets me to crash smile.gif while I'm playing / testing, card boosts to 1228Mhz according to set tables. If you have OC set in Precision X set on and tables for 1202Mhz with higher voltage than stock then I think it can go over this thus causing you to crash.

What do GPU-Z reads while you stress test?

1202 and 1215 on each card, I have no crashing issue, Im pretty stable upto 1280 on both cards but I wish to run them only at 1202 or BOTH at 1215. Im guessing that the max boost limit only applies if I dont have any offset values?
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post #2247 of 3357
Quote:
Originally Posted by EarlZ View Post

1202 and 1215 on each card, I have no crashing issue, Im pretty stable upto 1280 on both cards but I wish to run them only at 1202 or BOTH at 1215. Im guessing that the max boost limit only applies if I dont have any offset values?
I'm not sure but from what I've tested I think that you add offset to the base, no to the boost. Meaning that you have let's say base 1000 and boost 1100, you add 30 then it is 1030 base and 1130 boost.
If I'm wrong somebody more experienced please correct smile.gif
post #2248 of 3357
Quote:
Originally Posted by xonare View Post

I'm not sure but from what I've tested I think that you add offset to the base, no to the boost. Meaning that you have let's say base 1000 and boost 1100, you add 30 then it is 1030 base and 1130 boost.
If I'm wrong somebody more experienced please correct smile.gif

Im adding offset to the base using MSI-AB I am not aware of any ways to add offset to the boost. What I am talking about is say for example I have no offset at all and example I set the boost limit to 1006 I would suppose the boost limit ONLY works if you dont have any offset and would limit the clocks to 1006 but if you have an offset I would suppose it will go over the set boost limit.

At the end of t he day, my goal is to limit the clocks to 1215 with out using separate offsets for both GPU's one is at +113 while the other one is at +107.
Edited by EarlZ - 4/7/13 at 4:51am
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post #2249 of 3357
Quote:
Originally Posted by xonare View Post

I'm not sure but from what I've tested I think that you add offset to the base, no to the boost. Meaning that you have let's say base 1000 and boost 1100, you add 30 then it is 1030 base and 1130 boost.
If I'm wrong somebody more experienced please correct smile.gif

Technically, yes you are adding the Offset to the Base Clock if you are using AB or Precision but they are exactly the same thing because the Kepler Boost (difference between Boost and and Base Clocks) is fixed. So adding 30MHz (Offset value) to 1000MHz (Base Clock) is the same as adding 30MHz to 1100MHz (Boost Clock) because the Kepler Boost is a fixed 100MHz (Boost Clock - Base Clock).

@EarlZ

If you were able to Offset the other card more to compensate for the difference in clocks, what else is your problem?
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post #2250 of 3357
Finally got a good and stable score ^^
thanks for the awesome guide

http://www.3dmark.com/3dm11/6355837

modded my galaxy gtx 670 gc bios, and install Accelero hybrid cooler

1.187V 1306mhz max load temp 50C
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