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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1838

post #18371 of 38704
Quote:
Originally Posted by specopsFI View Post

Now that you mentioned it... GPU VRM Voltage Out is the actual voltage in HWinfo, and that does say 1.305V as max. That's my bad. But the interesting thing to know would be where does it settle when you keep it at load? Could you get HWinfo to draw a graph of that value so we can see how much Vdroop you have after a few Heaven loops? If I remember correct, you can do this by right-clicking that line.

Seems to get a max of 1.305V when I set it for 1.31V
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post #18372 of 38704
Quote:
Originally Posted by twitch_alucard View Post

Seems to get a max of 1.305V when I set it for 1.31V

Yes, I can see that in the screen capture you posted earlier. It's just that max isn't what's interesting, it's what you actually put through the chip under extended load. The Vdroop gets bigger when temps get higher and it would be nice to know what kind of voltages you get when under a 99% load for a longer time. That's what the graph would tell, the max value isn't very useful.
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post #18373 of 38704
Quote:
Originally Posted by ced1903 View Post

Hi,
I need your help for a problem i search for hours.
I can have Sapphire 7950 DUAL X (BLUE PCB).
But i don't know if this waterbloc : http://www.docmicro.com/pieces/WaterBlock-VGA-EK-FC7950-CF-NICKEL-EN-ACETAL-AMD-HD7950_10360.html
will be OKAY for my card...
i search with http://www.coolingconfigurator.com/ but this card don't appear.
If someone have an anwser for me...
or a picture of PCB without rad of this card... will be nice.
Thanks you

Quote:
Originally Posted by raghu78 View Post

you need to mention the exact model. if you bought the card online post the link so we can find out which model. Sapphire Radeon HD 7950 OC 3GB GDDR5 (900 mhz) with manufacturer code 11196-02-40G is compatible with EKWB full cover waterblocks.

Quote:
Originally Posted by ced1903 View Post

it's 11196-01-40G
i buy it to a physical person : http://forum.hardware.fr/hfr/AchatsVentes/Hardware/kingston-ssdnow-series-sujet_482250_1.htm


anyone? smile.gif

thanks you
post #18374 of 38704
Quote:
Originally Posted by twitch_alucard View Post

Alright the video is currently uploading to youtube. Sorry for the poor camera work, I have never made a video of stuff like this before. At the end you can see my VDDC is 1.09V in HWinfo and yet I set it to 1.31V in Trixx. Now if your telling me Im ACTUALLY running at 1.09V I guess that means I can shoot for 1300 core clock? Seeing as the max safe voltage is 1.3V?
Video says it will be live in about 90 minutes but I expect a bit earlier - http://youtu.be/K8qJ5lpPcRg

Nice video, thanks for sharing. That's a custom fan profile, right? It seems very aggressive, the fan is pumping up and down a lot and goes to really high RPM. Regardless, that's a very cool running card and you seem to have a very good one of those.

That Vdroop question is the one that remains, though.
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post #18375 of 38704
I was messing around with the graph trying to figure out how to make it larger but it seems to be only one size. That being said if I run the graph and loop heaven a few times it won't show start to finish.... I'm actually at work now but if there's a way to show the entire run on it I'll do it when I get home. Yes it is a aggresive profile for the fans its minimum is 40c @ 40% and max 65c @ 100% I believe. Its not infront of me at the moment so I'm not 100% sure on the max. The vdroop question may remain a mystery as I will be getting my second 7950 today I'm hoping if my buddy remembered it so setting that up may just overpower the need to run that test haha.
Edited by Honk5891 - 12/3/12 at 10:52am
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post #18376 of 38704
Warning: Spoiler! (Click to show)

 

Quote:
Originally Posted by Powermonkey500 View Post

Bow chika wow wow


 

Warning: Spoiler! (Click to show)

 

 

 

 

 

Oou, I love it wubsmiley.gif
Hope I can run eyefinity one day redface.gif

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post #18377 of 38704
kombustor always shows 1.09v either. Hwinfo is not the only
post #18378 of 38704
I havent kept up to much with that latest conversation. But have noticed ppl asking about displayed voltage.
MSI Afterburner, if I monitor my voltage for vCore. Shows what I set it at using AB. (1.075 volts)
But loading up Kombuster, shows VDDC at 1.130 constantly not matter what.
GPU-Z shows my VDDC at 1.023

If this helps anyone.
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post #18379 of 38704
Ok well it turns out my new 7950 is not the flex model. It is the sapphire 7950 dual-x OC version with the brown 7970 pcb! seeing as I will be crossfiring this with my current gigabyte 7950 wf3 should I be leaving it at the stock 7950 bios it came with ( my buddy said its the original bios he hadn't touched it)? Or can i / should I be flashing this to a 7970 bios since ill be crossfiring with my 7950 (which I've never flashed before and really don't want to brick my new 7950....)?
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post #18380 of 38704
Quote:
Originally Posted by twitch_alucard View Post

Ok well it turns out my new 7950 is not the flex model. It is the sapphire 7950 dual-x OC version with the brown 7970 pcb! seeing as I will be crossfiring this with my current gigabyte 7950 wf3 should I be leaving it at the stock 7950 bios it came with ( my buddy said its the original bios he hadn't touched it)? Or can i / should I be flashing this to a 7970 bios since ill be crossfiring with my 7950 (which I've never flashed before and really don't want to brick my new 7950....)?


Sounds like you got the 950mhz Edition. Same card I have.


This is a great BIOS that Sapphire emailed me back in June. The best BIOS I have tried for this card.

http://www.overclock.net/t/1281711/hd7950-revised-with-reference-hd7970-pcb-club#post_17724563
Edited by SonDa5 - 12/3/12 at 2:47pm
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