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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 96

post #951 of 38704
Quote:
Originally Posted by rcfc89 View Post

Quote:
Originally Posted by tsm106 View Post

Looks like another fancy cooler on a reference pcb.

I guarantee you it will clock higher then a reference. 15% cooler will allow much more headroom on air.
Quote:
Originally Posted by lothar View Post

Quote:
Originally Posted by tsm106 View Post

Looks like another fancy cooler on a reference pcb.

Yeahh.. but the cooler is very good, I thin better than XFX Double Dissipation
People at HEXUS didn't even unlock BIOS to check how high it goes

Doesn't change the fact that its a ref board. Just look at that reference design all its glory! The windforce does look to be kicking some ass in the temps dept.
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post #952 of 38704
FOR ALL THOSE THAT HIT A WALL AT AROUND 1070MHZ...........
I WORKED OUT THE FIX


1. In after burner, unsynchronise the GPU settings.
2. Set both cards to 1112mv individually.
3. set your core to 1100mhz
4. use your error testing tool to come to realize, that your not getting them anymore.

I suggest testing each card separately for desired clock and voltages. Start at 1112mv and work your way up. DO NOT start at 1174mv.

I got both my cards up to 1150mhz & 1230mhz OCCT stable
No more 1070 wall for me bike.gif
Let me know if you need a hand....
Edited by Denim-187 - 1/17/12 at 7:02am
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post #953 of 38704
Why didn't I think of that !!

I believe the temps are the only thing holding me back.

Do you know if there is anyway to enable under-volting in trixx? i have problems with afterburner with this card.

EDIT: Nvm, i got afterburner working. It seems that trixx was setting my voltage to 1.170 right off the bat. Afterburner was at 1.050 and seems to be OCCT stable at 1050 right now and i dropped around 20c
Edited by Focus182 - 1/17/12 at 1:42am
post #954 of 38704
I can do desktop and folding with 900mv with stock clocks. So I think you are on to something its like they are volted to high.

As for the comment above about regretting buying reference. There are many of us here that are moving to water I would regret buying non reference myself.
 
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post #955 of 38704
I followed a guide that i found on another thread.
Use the 11.12 7970 hotfix drivers and OC using Sapphire Trixx. Ive got my card at 1125/1550 on stock volts. Unigine/BF3/Skyrim/3DM all ran perfectly wheee.gif
post #956 of 38704
Quote:
Originally Posted by tsm106 View Post

Doesn't change the fact that its a ref board. Just look at that reference design all its glory! The windforce does look to be kicking some ass in the temps dept.

Arctic Accelero Xtreme 7970
600

Gigabyte Triangle Cool
290

I think I will buy card with reference design.
With reference we have many options including sophisticated water cooling
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post #957 of 38704
I am now at 1175 on the core @ 1.125v and very OCCT stable

I was not OCCT stable past 1125 @ 1.170

So thank you for your post Denim, Should be able to get 1200-1225 now and at a lower temp if my voltage doesn't start having a negative effect below 1.170v.

+rep
Edited by Focus182 - 1/17/12 at 3:05am
post #958 of 38704
Quote:
Originally Posted by dVeLoPe View Post

Anyone want to buy my Sapphire 550 + shipping of choice willing to give to someone here before it goes back to neweg!
thumb.gif

How about no? Why would we buy a used and obviously messed up card for the price we could get a brand new one on newegg for? rolleyes.gif
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post #959 of 38704
Awesome, this is great news and reassurance for me ! Having 2 msi 7970's showing up and hearing about bad overclocks was starting to scare me lol rolleyes.gif. I wasn't sleeping good over my 1200 dollar purchase smile.gif. Once I get my cards I will give this a try. It seems like many if not all the people stuck around 1070 core have chips that are probably capable of 1125 with this tweak! Much appreciated Denim, who would have guess it was to much voltage lol thumb.gif
post #960 of 38704
Quote:
Originally Posted by Levesque View Post

Wow. Really really interesting. There is 2 VID for the 7970, some are 1.05, and some are 1.175. This explains ALOT of things.
My 4 Asus 7970 VID are 1.05, and I was wondering why not 1.175. Afterburner is pumping my default voltage to 1.175, while the new Asus OC utilities stays at 1.05. Interesting. And alot of confusion ahead for newbies!
This explains alot of things, particularly why some people are getting crazy OC on stock, while other don't. Afterburner is pumping those 1.05 cards to 1.175 by default, so people think they are at stock, while they are OCed to 1.175, so they get good OC. So they are not at stock, since 1.05 is boosted to 1.175.But those with 1.175 cards are at stock. smile.gif
And those Sapphire 1335 are probably simply VID 1.05 cards, while the VID 1.175 cards will be the "regular" one. And all the manufacturers OC cards will be 1.05 also.
Hope this will stop the hysteria about the "voltage droop" that newbies are starting to spread everywhere.
So now the new hysteria will be people everywhere searching for those 1.05 VID 7970!!!!!! LOL!
In before the new hysteria "7970 with a VID of 1.05 for sale!" threads everywhere. biggrin.gif
Quote:
Originally Posted by Denim-187 View Post

FOR ALL THOSE THAT HIT A WALL AT AROUND 1070MHZ...........
Quote:
Originally Posted by Focus182 View Post

I am now at 1175 on the core @ 1.125v and very OCCT stable
I was not OCCT stable past 1125 @ 1.170
So thank you for your post Denim, Should be able to get 1200-1225 now and at a lower temp if my voltage doesn't start having a negative effect below 1.170v.
+rep

i think Levesque's post needs to be highlighted here. his post led me to check the VID of my card and it turns out to be 1.05V. i realized that i was probably applying too much voltage by setting it to 1.175V in AB (which i assumed was the VID). previously i couldn't get 1125/1575 stable but last night i set my voltage to 1.1V (+50mV) and it's now stable at those clocks. so the lesson here is that if you're going to increase voltage, make sure you're aware of your card's VID.
Edited by Porter_ - 1/17/12 at 8:04am
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