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post #21 of 1059
Thread Starter 
Quote:
Originally Posted by haticK View Post

I thought changing the voltage was pointless because it auto-adjusts and the guy in the EVGA video said it can actually hinder performance.

I'm watching GPU-Z in real time, and it seems it only overwrites if your manual voltage is set lower than the driver wants. You can increase, but not decrease I guess?

I'm still running +160 stable now with Heaven on loop with it set to 1.175. I couldn't even run +150 stable for over a few minutes without it crashing before. GPU-Z reads a constant 1.175v now, before it said 1.167v during load. Seems working to me. thumb.gif

My RAM seems to max at +500 to +510. +515 results in instant artifacting, not sure how some are running +600. For the people that are +600 memory stable are you running Heaven on max with extreme tess?
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post #22 of 1059
Quote:
Originally Posted by Murlocke View Post

I'm watching GPU-Z in real time, and it seems it only overwrites if your manual voltage is set lower than the driver wants. You can increase, but not decrease I guess?
I'm still running +160 stable now with Heaven on loop with it set to 1.175. I couldn't even run +150 stable for over a few minutes without it crashing before. GPU-Z reads a constant 1.175v now, before it said 1.167v during load. Seems working to me. thumb.gif
My RAM seems to max at +500 to +510. +515 results in instant artifacting, not sure how some are running +600. For the people that are +600 memory stable are you running Heaven on max with extreme tess?

Mine runs at 1.175v default.
 
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post #23 of 1059
I set it to 1.175 voltage and tried +160 / +500 and it crashed instantly in Heaven.

Edit: Put voltage back to default and once I run a test it automatically goes to 1.175
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post #24 of 1059
Thread Starter 
Quote:
Originally Posted by subyman View Post

Mine runs at 1.175v default.

I read a review that stated some cards mine have a slight difference.

After forcing 1.175, i'm now "maybe" stable at +190. +195 crashed after about 30 seconds. I'm pretty sure +185 is definitely stable. That's a large increase over a mere .01v

I suggest people force 1.175v to make sure their card runs it. It still downclocks properly after forcing it.
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post #25 of 1059
If you measure with dmm you will see more then 1.17 i have seen max of 1.21v the ram 1.60v
post #26 of 1059
Quote:
Originally Posted by Murlocke View Post

My RAM seems to max at +500 to +510. +515 results in instant artifacting, not sure how some are running +600. For the people that are +600 memory stable are you running Heaven on max with extreme tess?

I'm at +140 / +600 and get no artifacts with extreme tess/max settings.
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haticK
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post #27 of 1059
Thread Starter 
Quote:
Originally Posted by haticK View Post

I'm at +140 / +600 and get no artifacts with extreme tess/max settings.

I wonder if my card is also undervolting the RAM... +510 is my definite max on it.

Does your GPU say it running 1.175v when running heaven without forcing the voltage? Try forcing 1.175v in the voltage control and set +185 or +190 on the core. You might even get better results than that since it seems like your card overclocks a little better.
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post #28 of 1059
Quote:
Originally Posted by Murlocke View Post

I wonder if my card is also undervolting the RAM... +510 is my definite max on it.
Does your GPU say it running 1.175v when running heaven without forcing the voltage? Try forcing 1.175v in the voltage control and set +185 or +190 on the core. You might even get better results than that since it seems like your card overclocks a little better.

When Heaven is running if I minimize fast my voltage is 1.1500. Other times I see my voltage at 0.9870

Edit: Forced voltage to 1.175 and so far I'm stable at +160 / +500. Going to increase the core before the memory. Crashed at +170 & 180 / +500.
Edited by haticK - 3/23/12 at 7:39pm
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haticK
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post #29 of 1059
I think I got a dud, I can't even hit +125/+250 stable in heaven benchmark
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post #30 of 1059
Hm, Heaven crashing at +130/+400 w/ voltage set to 1.175.
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