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post #3291 of 9741
Quote:
Originally Posted by Delphi View Post

I get the same results with the gpu usage. It is either 0% or 100% while gpu1 is everywhere.

I am at work right now but I think was able to change the fan speed of both GPU's using MSI Afterburner. I just made sure the setting would sync both cards.

Try BF4 with Crossfire disabled and see if it works. I suspect a driver issue there. If it works with it disabled re-enable it and see if it works correctly.


My performance is definately worse with 2 cards, Ive seen videos on youtube with 280x running the game just fine in crossfire with ~100 fps on ultra.
I get 50 with dips to 30.

Is there a driver thats supposedly better than 13.12?
post #3292 of 9741
Quote:
Originally Posted by hamzta09 View Post

My performance is definately worse with 2 cards, Ive seen videos on youtube with 280x running the game just fine in crossfire with ~100 fps on ultra.
I get 50 with dips to 30.

Is there a driver thats supposedly better than 13.12?

I think a new beta driver is coming out soon. I really hope it provides some performance increases. Some games play amazingly while others need some loving if you know what I mean.
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post #3293 of 9741
Quote:
Originally Posted by Delphi View Post

I think a new beta driver is coming out soon. I really hope it provides some performance increases. Some games play amazingly while others need some loving if you know what I mean.

New driver comes out in jan sometime yes, with mantle support.
post #3294 of 9741
Quote:
Originally Posted by GTR Mclaren View Post

can I try that bios with my gigabyte?

Just send me your original BIOS and i will change voltage to anything you want. (if possible)

I have done with great succes on a 270x Toxic.
Here some proof:

Just checkling if it could handle the extra heat from 1.25V

Will play with 1.3V in a few days smile.gif
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post #3295 of 9741
It won't work on GV-R927XOC-2GD. I've tried it. The GPUz reported the new VDDC (1.268 nominal), but the HWiNFO reports the same voltages as before, the multimeter agrees too and not a single C or MHz up for us. It's the same story with the VBE7 edits.

It's as if the VBE7 only changes the voltage identifier on those Giga's, but not the actual voltage hex value. It's either a VBE7 update, or someone must do the dirty work for all of us. I know how to use a hex editor and I know all the "reverese hex values" and "voltage table & ASIC" theory. But I'm not yet able to find tha damn voltage table in that mess redface.gif
post #3296 of 9741
Thread Starter 
I am a bit confused, which is not unusual, tongue.gif . I run Valley for a bit with HWinfo64 and Afterbuner running and Afterburner is set at 1.269v but HWinfo64 says it maxed out at 1.219 on VDDC. That's not right is it, or is the VDDC not core volts. The VRM volts go quite a bit higher, is that what I should be reading?

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post #3297 of 9741
Latest HWiNFO is the one agreeing with my multimeter most of the times. You are going up to 1259mV (real) and you ask for 1269mV. That's an ok vdroop, you're good as gold. You might be able to offset your VRM further - to minimize that vdroop further - but it's a lot of trial & error and it doesn't worth it, imho smile.gif
post #3298 of 9741
Thread Starter 
Quote:
Originally Posted by Ccaution View Post

Latest HWiNFO is the one agreeing with my multimeter most of the times. You are going up to 1259mV (real) and you ask for 1269mV. That's an ok vdroop, you're good as gold. You might be able to offset your VRM further - to minimize that vdroop further - but it's a lot of trial & error and it doesn't worth it, imho smile.gif

Thanks, I do like HWinfo. It works with AMD best for sure. My 270x is locked but it acually get's a bit higher than the 7870 which let's me go to 1.3v.
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post #3299 of 9741
Quote:
Originally Posted by Devildog83 View Post

Thanks, I do like HWinfo. It works with AMD best for sure. My 270x is locked but it acually get's a bit higher than the 7870 which let's me go to 1.3v.

Higher ASIC on that 270x probably, which is nice!

Finding a way to go up to 1.35v would be even nicer though, especially on those beefy 270x like yours, with the extra phases and the baller coolers smile.gif
post #3300 of 9741
Quote:
Originally Posted by Ccaution View Post

It won't work on GV-R927XOC-2GD. I've tried it. The GPUz reported the new VDDC (1.268 nominal), but the HWiNFO reports the same voltages as before, the multimeter agrees too and not a single C or MHz up for us. It's the same story with the VBE7 edits.

It's as if the VBE7 only changes the voltage identifier on those Giga's, but not the actual voltage hex value. It's either a VBE7 update, or someone must do the dirty work for all of us. I know how to use a hex editor and I know all the "reverese hex values" and "voltage table & ASIC" theory. But I'm not yet able to find tha damn voltage table in that mess redface.gif

Thats a shame really frown.gif

On the 270x Toxic it does really increasy the voltage and not just the numbers.
I couldnt get stable past 1220mhz before (1.219V) and now got 1280mhz stable at 1.268V.

No idea how high i can go though, ill go for 1.3V next time, maybe if possible 1.35V
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