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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1077

post #10761 of 38701
Quote:
Originally Posted by AllGamer View Post

my 2x 7970 can only go as high as 950 Mhz core and 1400 (5600) Mhz RAM
even when they operate as single card, running at stock 1000 Mhz core and 1400 (5600) Mhz RAM it crashes very quickly.
it's not a temperature issue as the temp doesn't go really high when it crashes
not sure what it is

You have those ASUS DCU II cards right? There have been a quite a few issues with those cards. The coolers aren't properly attached to some cards and it would be wise to check the cards yourself and RMA if needed.
post #10762 of 38701
Quote:
Originally Posted by tsm106 View Post

You have to give yourself rights to the file ya know?
Best way though imo is to "not" install it into program files (protected folder), or you should be using a second harddrive if you have a ssd anyways right. And if yer using 2nd drive, install it on 2nd drive.

Lol, I'm just stupid! I got it worked out and I did what I was telling you I was going to try! I installed my "extra" Intel 320 and loaded a fresh install of Win7 on it with just benching software and nothing else. I just beat my 1225MHz score on my main drive with the new drive at only 1155MHz!! I've been methodical with my OCing tonight so I hope to have some nice results later on.

Btw I'm using AB 2.2.1 with UOM, 12.4 WHQL with CCC uninstalled in Control Panel and no CAP's. I hope to get the dual card high score if possible!
post #10763 of 38701
Quote:
Originally Posted by afadzil21 View Post

You have those ASUS DCU II cards right? There have been a quite a few issues with those cards. The coolers aren't properly attached to some cards and it would be wise to check the cards yourself and RMA if needed.

i have been pondering about that as well.

Do we have any write up any where about what to look for?

because according to the games and benches i've ran, it handles them well, but only if i keep the clock at 950 Mhz or lower frown.gif

if it was an actual issue with the head sink, I'd think it wouldn't even last long regardless at any speed, right?
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post #10764 of 38701
Quote:
Originally Posted by disintegratorx View Post

Has anyone that's having issues with their cards tried re-affirming their southbridge drivers with the AMD chipset drivers? I don't actually know that they would be a solution but they are available in the Downloads category on the graphics driver page under the Options tab.
Quote:
Originally Posted by AllGamer View Post

i don't think that applies to Intel based CPU / MB combos
it might work for AMD CPU / MB



The pcie bus isn't tied to the southbridge, and their isn't really a northbridge on intel these days. And iirc catalyst drivers includes chipset drivers anyhow.
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post #10765 of 38701
Quote:
Originally Posted by Majin SSJ Eric View Post

Lol, I'm just stupid! I got it worked out and I did what I was telling you I was going to try! I installed my "extra" Intel 320 and loaded a fresh install of Win7 on it with just benching software and nothing else. I just beat my 1225MHz score on my main drive with the new drive at only 1155MHz!! I've been methodical with my OCing tonight so I hope to have some nice results later on.
Btw I'm using AB 2.2.1 with UOM, 12.4 WHQL with CCC uninstalled in Control Panel and no CAP's. I hope to get the dual card high score if possible!


Just saw this... Looking good man. thumb.gif


Btw, set AB's processor type to your lowest asic card. Then run furmark fullscreen while only monitoring voltage with hwinfo64 to confirm you are really getting the voltage you wanted to feed the cards.


Oh also, no CCC vs CCC installed is generally no difference, except in Skyrim. There are gains with no CCC in that game.
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post #10766 of 38701
Quote:
Originally Posted by tsm106 View Post

Just saw this... Looking good man. thumb.gif
Btw, set AB's processor type to your lowest asic card. Then run furmark fullscreen while only monitoring voltage with hwinfo64 to confirm you are really getting the voltage you wanted to feed the cards.
Oh also, no CCC vs CCC installed is generally no difference, except in Skyrim. There are gains with no CCC in that game.

Hey quick question,

Why would using your second drive be benificial for benching? (My primary is a hyperx and install all my games/benchmarks to it its 120gb)

Also, are u sure about setting every card to ur lowest asic? I have 3 different asic and set them all to their respective voltages in ab and have had much better luck with ocing that way ( each chip gets their proper voltage start point this way)
     
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post #10767 of 38701
Quote:
Originally Posted by AllGamer View Post

i have been pondering about that as well.
Do we have any write up any where about what to look for?
because according to the games and benches i've ran, it handles them well, but only if i keep the clock at 950 Mhz or lower frown.gif
if it was an actual issue with the head sink, I'd think it wouldn't even last long regardless at any speed, right?

I haven't found any specific write-up. Just complaints across a few forums that many owners found the early batch of cards that came out did not have the heatsinks seated properly. I believe it's a QC issue not so much inherent design. Are you having problems with both, or just one of the two cards?
post #10768 of 38701
How high can I, safely, push the VRAM voltage?
Can't get past 1750Mhz, even with 1.625v..

My core aint doing so bad but i hit a wall on the thing. 1250Mhz is stable as a rock with 1.262v, after vdroop 1.18-1.19v. If I push voltage to the max, i still can't really pass 1265Mhz. 1275Mhz crashed on me in BF3...

Anyways, the accelero 7970 is VERY good tbh. 32C idle average with 2 screens and always on max volts.
Load in games such as MW3 is max 45c and BF3 or benching hardly even 50. On 1.262v.. wink.gif

Any way to push beyond 1.299v so I can get something like 1.25v after vdroop?
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post #10769 of 38701
Quote:
Originally Posted by Imprezzion View Post

How high can I, safely, push the VRAM voltage?
Can't get past 1750Mhz, even with 1.625v..
My core aint doing so bad but i hit a wall on the thing. 1250Mhz is stable as a rock with 1.262v, after vdroop 1.18-1.19v. If I push voltage to the max, i still can't really pass 1265Mhz. 1275Mhz crashed on me in BF3...
Anyways, the accelero 7970 is VERY good tbh. 32C idle average with 2 screens and always on max volts.
Load in games such as MW3 is max 45c and BF3 or benching hardly even 50. On 1.262v.. wink.gif
Any way to push beyond 1.299v so I can get something like 1.25v after vdroop?

I didn't have any trouble with 1.299V and 1.7V on water. As long as you don't have heat issues, there's no reason you can't use the max voltage.

The only way to go higher is by modding the card (preferrably to a mobo that can push it further).
     
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post #10770 of 38701
I'll see if the VRAM will do about 1800-1850 with 1.65v.
As for the core, i'll leave it where it is at 1250. The few more Mhz 1.299v give me aint worth the power consumption and heat. Load temps hardly increase but idle rises to about 35-37c with max volts.
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