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[Official] The AMD Radeon 7800 Owners Club - Page 65

post #641 of 4099
Quote:
Originally Posted by di inferi View Post

Thanks,
Downloaded latest MSI AB, still showed similar spikes so I clocked the core up to 1300 and the spike dropped. ???
I used GPU-Z to monitor the card and it showed a spike of 1.998 V!!!!!!
WHISKEY TANGO FOXTROT?!!? I DON'T KNOW WHAT THE HELL I AM DOING! lol.
I do find it hilarious that 3DM11 benched me at 7970 though!
39793707.jpg
Instead of saying "your score is comparable to similar systems" it should say "Your overclocked beast pwns similar systems."

Hmm I already use Afterburner 2.2.0 final but still gets spikes up to 1.60v, I guess AB still hasnt fix this bug, or perhaps its our cards vendor bug?? GPU tweak from ASUS works perfect reading voltage just like DChat has.
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post #642 of 4099
Thanks guys. I'm leaning towards the Asus, because of the numbers I'm seeing here. And its a bit cheaper, so kinda win-win. I think I'm gonna wait a week and see if any other models pop up, or back orders start restocking.
post #643 of 4099
Quote:
Originally Posted by KimiFerrari View Post

Thanks guys. I'm leaning towards the Asus, because of the numbers I'm seeing here. And its a bit cheaper, so kinda win-win. I think I'm gonna wait a week and see if any other models pop up, or back orders start restocking.

If your going to wait you might consider this or wait for the hawk : http://www.msi.com/product/vga/R7850-Power-Edition-2GD5-OC.html
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post #644 of 4099
Hey guys, just in case you didnt see it in the news section, MSI and Guru3d released the latest version of their AB program!

It looks promising, and fully supports our cards, including memory, and core clock voltages as well as temp monitoring and some other features. The entire list of supported features is about a page long, check it out!


http://www.guru3d.com/news/afterburner-220-final-release-download/



I am also seeing voltage spikes on the core in AB, and GPUz. it will run at 1.218v and spike to 1.6v randomly for a sec and then go right back down. Ive also noticed that with dual screens, if I overclock at all that I get a horizontal line on my first display when switching from one screen to the other, or loading a youtube video on my second screen. It is only visible on my primary screen.

Im going to keep my settings at stock until these things are figured out. It could be a driver bug, but im not sure, so until someone discovers the cause, best not to push my card and make things worse.
Edited by Mattb2e - 4/21/12 at 11:36am
post #645 of 4099
Quote:
Originally Posted by Mattb2e View Post

Hey guys, just in case you didnt see it in the news section, MSI and Guru3d released the latest version of their AB program!
It looks promising, and fully supports our cards, including memory, and core clock voltages as well as temp monitoring and some other features. The entire list of supported features is about a page long, check it out!

Thx for the link thumb.gif

Unfortunately, voltage regulation is NOT fixed for the Asus HD7850 DCII with this release. It does however support Power Control Setting, and that is just awesome smile.gif
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post #646 of 4099
@Mattb2e, It doesnt matter matt, even at stock clock sometimes it reads up to 1250v or 1.30v. I just hope our vendor card soon fix this with Afterburner.
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post #647 of 4099
Ya, I am waiting on pushing my card further as well. I do not like the voltage spikes regardless of whether or not it is simply a monitoring bug.

The fact that multiple programs show the spikes while one may not is disturbing.

I am currently running my card at 1150/1350, a slight overclock that anyone can do on stock voltage. At 1.3 V I can hit 1300/1450 but a gpu-z log shows a spike during 3dm11 of 1.998 V. Scary. I won't push the card further until this is worked out. Based on my increases in core clock and voltage I should be able to at least hit a core clock of 1350. As far as memory goes I didn't even get to that point yet.

XFX put together a hell of a card. Of course I do run the fans at 70-75%, which doesn't bother me personally, but it keeps the max temp at 62c which the card only sees during 100% load for maybe a second or two.

I hope this bug gets worked out. I'll be calling XFX tech support on Monday to get their take on the situation. I can already hear myself now: "So... say an individual, hypothetically, increased voltage to 1.3 and core clock to 1300 and was seeing some odd voltage spikes.... "
post #648 of 4099
Aren't these spikes normal? I mean, not the 1.6 or above of course. But my card normal voltage is 1.218v, but sometimes jumps to 1.237 or 1.250 thinking.gif
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post #649 of 4099
Quote:
Originally Posted by xutnubu View Post

Aren't these spikes normal? I mean, not the 1.6 or above of course. But my card normal voltage is 1.218v, but sometimes jumps to 1.237 or 1.250 thinking.gif

I would believe that there would be some sort of voltage fluctuation, but no where near 1.6v or even 1.9v as di inferi reports. I dont know what the cores max voltage is, but I bet that 1.6v is way over it, and it worries me as I just spend close to $400 on this GPU, to have it fail from some stupid bug would be very disheartening.


The problem that I have is that the voltage spikes occur at stock settings, and overclocked settings. The fact that it is consistent with multiple monitoring programs could indicate that it is a sensor bug. The only real way to measure the actual core voltage is to use a multimeter, and monitor it that way.

The sensor data is based on equations, same with temps, so it is possible that the data is skewed. However the only way to truly know is to hook up a multimeter. Anyone have a multimeter to experiment with?
post #650 of 4099
how to up the voltage to 1225 and the core above 1050 without uninstalling CCC ?

if I uninstall the CCC, some of the games just couldnt start...

any idea ?
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