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[Official] The AMD Radeon 7800 Owners Club - Page 67

post #661 of 4099
Quote:
Originally Posted by DeadLink View Post

Dang, had you asked about X-fire 7850's on 2600k at 4.5~ I would have been here for ya! lol

Thanks but i allready got a pair of 7850's wink.gif

You can post or PM a few results though and i might use it.
Would be nice if you can clock your cpu higher then 4,6ghz though.
I plan on doing all benches on 4,8 or 4,9ghz.
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post #662 of 4099
Quote:
Originally Posted by Mattb2e View Post

I created a support ticket with Sapphire to see if they can provide a solution to our voltage spike issue, ill let you guys know if they respond with any important information.
I mentioned this forum, and this thread, and that I am not the only one with this issue, and it is present amongst several different brands of the HD7870.
I uploaded my GPUz sensor log so they can see first hand what we are seeing.
Update: The support rep suggests that I test the card in another system, to determine if its a hardware issue with the card or the system. I know that its not my system, and I am betting that I will see the same results on a different PC, only because everyone else is having the same issue. Never the less, I will try to get another system going to test out the card on.

You tell the guy it is happening to a lot of people, and he tells you to test it in other system... support guys...
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post #663 of 4099
Quote:
Originally Posted by xutnubu View Post

You tell the guy it is happening to a lot of people, and he tells you to test it in other system... support guys...

Your reply back: "Been there, done that.. next step sir/madam?"
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post #664 of 4099
Hi,

Anyone knows the maximum GPU voltage and temp for the HD 7850. I have the MSI brand if it is relevant.

Regular V is 1.075 and I heard that 1.3 is max. Anyone can confirm?

I know that when running Furmark burn-in when OC I reach 69C with fans on auto (around 60% at that temp).

Thanks

I am now at 1178/1450 on stock voltage. I need to know these info so I can push it higher smile.gif
post #665 of 4099
Also

By mistake yesterday I found a way to unlock OC limit for MSI After Burner and EVGA precision.

All you need to do is load one time Asus GPU tweak, use advance options and use the option to unlock higher OC limits.

After when you load either AB or Precision you will be able to enter higher clocks than 1050/1450.

Have fun
post #666 of 4099
Quote:
Originally Posted by DChat View Post

Your reply back: "Been there, done that.. next step sir/madam?"

While it may not be the response that was expected, you must understand that their support is trying to help me, not everyone else on this site. I made it perfectly clear that it was a widespread problem, and I will reiterate it, but I will also do my best to cooperate with him to filter out any simple causes of this voltage spike situation.

For all I know, this voltage spike issue could be entirely related to version 0.6.0 of GPUz (doubtful because it happens in AB too), or it could be related to the sensors themselves specifically on the the HD7870. The truth is that I dont know, and apparently neither does anyone else here. It would be much more rewarding to help the support tech help me, than to just tell him that everyone else has the same issue, especially if some fix can be found. In effect, I hope to find the cause of this issue with Sapphire support, and hopefully any fix that they can come up with can work for everyone else as well. Wishful thinking, I know rolleyes.gif



I have a feeling that he is just going to suggest I RMA the card, which I really don't want to do, but I have a feeling that is what the result is going to be.
Quote:
Originally Posted by xutnubu View Post


You tell the guy it is happening to a lot of people, and he tells you to test it in other system... support guys...


It can be frustrating, but I have hopes that being compliant, and going "through the hoops" will benefit myself, and everyone else with this issue. After he mentioned using the card in another system, asked if I had another card (because my components are brand new). I said I have an HD5770, and I could put that back in and test it to see if I see any spikes.

It will be much easier to swap the card, than to put a system together, and load my games onto it just to test my new card.
Edited by Mattb2e - 4/23/12 at 8:58am
post #667 of 4099
Quote:
Originally Posted by GoombaXIV View Post

Hi,
Anyone knows the maximum GPU voltage and temp for the HD 7850. I have the MSI brand if it is relevant.

Regular V is 1.075 and I heard that 1.3 is max. Anyone can confirm?
I know that when running Furmark burn-in when OC I reach 69C with fans on auto (around 60% at that temp).

Thanks
I am now at 1178/1450 on stock voltage. I need to know these info so I can push it higher smile.gif

Reference cards only go up to 1.225V
How far your MSI goes if its an aftermarket design i dont know.

I would keep temperatures below 85 degrees when overclocking and benching.
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post #668 of 4099
Quote:
Originally Posted by Mattb2e View Post

I created a support ticket with Sapphire to see if they can provide a solution to our voltage spike issue, ill let you guys know if they respond with any important information.
I mentioned this forum, and this thread, and that I am not the only one with this issue, and it is present amongst several different brands of the HD7870.
I uploaded my GPUz sensor log so they can see first hand what we are seeing.
Update: The support rep suggests that I test the card in another system, to determine if its a hardware issue with the card or the system. I know that its not my system, and I am betting that I will see the same results on a different PC, only because everyone else is having the same issue. Never the less, I will try to get another system going to test out the card on.

Looking forward to hear from Sapphire, thx Matt2be thumb.gif
You know many people in this thread have problem about voltage spikes(including me), so I guess its useless to test it with other system, but you may try it smile.gif Sadly I dont have second rig and so I can't test it.

@AuraNova, in case you forgot, this is my card's OC proof link --> http://www.techpowerup.com/gpuz/c8u6v/
thx smile.gif
Edited by neoroy - 4/23/12 at 10:55am
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post #669 of 4099
Quote:
Originally Posted by GoombaXIV View Post

Also
By mistake yesterday I found a way to unlock OC limit for MSI After Burner and EVGA precision.

All you need to do is load one time Asus GPU tweak, use advance options and use the option to unlock higher OC limits.

After when you load either AB or Precision you will be able to enter higher clocks than 1050/1450.

Have fun

Does this happen to unlock voltage control for Twin Frozr 7850s as well? Thats what my issue has been.

Has anyone with an MSI Twin Frozr 7850 managed to unlock the voltage and run a stable OC?
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post #670 of 4099
Hey all, thinking about unloading my 480 on the marketplace and snatching up a 7850. I assume the 7850 overclocks pretty well and was wondering how a moderate overclock would compare to a stock 480. I was thinking a 7850 because it would be hassle free to crossfire being they are such low power cards.
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