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Sapphire 7970 crashes with 1.3v? - Page 3

post #21 of 96
My card just crashed in BF3 at 1125 1.2v so I'm bumping it back down to stock. I don't think the card is bad because it runs as expected at stock. Either my chip is just not stable at high clocks, or my system isn't capable of running the card at those clocks. Not really sure which
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post #22 of 96
Quote:
Originally Posted by slice259 View Post

Quote:
Originally Posted by Evil Penguin View Post

GPU-Z is reading it wrong...
CCC is reporting PCI-E 2.0 x16 for me and GPU-Z reads it as 1.1.


So its a problem with the 7970 at the current moment.

Driver's ?
Probably a few API changes that GPU-Z needs to adjust to.
I'm not certain.

Cirdan, try running the core at 1070 MHz with stock voltage.
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post #23 of 96
Thread Starter 
Thread = Hijacked tongue.gif

On topic: I've been playing around some more and although I haven't got any better clocks with high voltages I have found that my card is pretty good at stock voltage.

So far I managed 1175 on the core @ 1170v OCCT stable. From what I have read from others thats pretty good. I know it can't do 1200mhz at stock volts but there still might be a bit more somewhere inbetween those two values.

I'm assuming that the high voltage issue is either down to the fact that the card I have is just not capable of sustaining it or there is some sort of power limitation that is, well, limiting it. If this is the case then maybe there will be some BIOS modifications that can rectify it. I'm no expert so hopefully time will tell or someone with more knowledge can shed some light on the situation.

Edit: thought it might be worth a mention that I have run the high voltage tests with my 2600k at 5ghz and also with the BIOS settings at default and it has made no difference to my cards stability.
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post #24 of 96
Quote:
Originally Posted by Jokah View Post

Thread = Hijacked tongue.gif

On topic: I've been playing around some more and although I haven't got any better clocks with high voltages I have found that my card is pretty good at stock voltage.

So far I managed 1175 on the core @ 1170v OCCT stable. From what I have read from others thats pretty good. I know it can't do 1200mhz at stock volts but there still might be a bit more somewhere inbetween those two values.

I'm assuming that the high voltage issue is either down to the fact that the card I have is just not capable of sustaining it or there is some sort of power limitation that is, well, limiting it. If this is the case then maybe there will be some BIOS modifications that can rectify it. I'm no expert so hopefully time will tell or someone with more knowledge can shed some light on the situation.
Are you using these settings?

Fullscreen checked
Error Checking checked
Shader Complexity 8

Also, do you have power control set to +20?
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post #25 of 96
Thread Starter 
Quote:
Originally Posted by Evil Penguin View Post

Are you using these settings?
Fullscreen checked
Error Checking checked
Shader Complexity 8
Also, do you have power control set to +20?

You can't run CCC's Overdrive and Trixx together. You have to disable overdrive to use Trixx. And in disabling overdrive you then cannot access the 20%+ function.

Edit: Yes I am using shader complexity 8 and full screen and error checking.
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post #26 of 96
Quote:
Originally Posted by Jokah View Post

Quote:
Originally Posted by Evil Penguin View Post

Are you using these settings?
Fullscreen checked
Error Checking checked
Shader Complexity 8
Also, do you have power control set to +20?

You can't run CCC's Overdrive and Trixx together. You have to disable overdrive to use Trixx. And in disabling overdrive you then cannot access the 20%+ function.
Seriously?
That's not good at all.
Have you tried using the latest version of Afterburner?
Also, that means you card was throttling during the OCCT test.
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post #27 of 96
Quote:
Originally Posted by Evil Penguin View Post

Seriously?
That's not good at all.
Have you tried using the latest version of Afterburner?
Also, that means you card was throttling during the OCCT test.

You cannot use powertune with afterburner, at all. Does not matter what version you have. Always been this way.
post #28 of 96
Quote:
Originally Posted by Newbie2009 View Post

Quote:
Originally Posted by Evil Penguin View Post

Seriously?
That's not good at all.
Have you tried using the latest version of Afterburner?
Also, that means you card was throttling during the OCCT test.

You cannot use powertune with afterburner, at all. Does not matter what version you have. Always been this way.
It works for me...
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post #29 of 96
Thread Starter 
I'll brb. I may have misread some information about the whole Trixx and CCC thing. Hard corp seemed to manage to get them to work together so I'm goona go try something.

From my own experience though they did not like each other. Maybe some sort of driver conflict.

Edit: Nope! Trixx and overdrive do not work together. Not for me anyway. I tried setting the voltage with trixx (1.3v) and then using overdrive to overclock with the 20% enabled. But no go.

@Evil penguin. Have you tried overclocking with CCC overdrive disabled? I get much better results at low voltage by just using Trixx by its self. I thought I read somewhere that you have managed 1070mhz at stock clocks? This is not to boast in any kind of way but I have managed 1175mhz at stock just using trixx. Could you try it without overdrive enabled and see what you can get to?
Edited by Jokah - 1/11/12 at 2:45pm
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post #30 of 96
Trixx and CCC work fine for me as well. I am using the drivers from the amd website.
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