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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 118

post #1171 of 6939
Hi all. I have just registered here, because im in need of some help.
I have a 6870 which is 940/1150 at stock (The XFX black edition.) However - I wanted to squeeze a bit more out of this card, so I ramped it up to 1000/1150 vith a volt 1.25. Tried some Crysis and BFBC2 - everything was working as intended. The temps maxed at 76C when running BFBC2 for hours (99% GPU usage).

This is the part where it all fails:
I left the computer running over night (idles about 52C on the OC i mentioned above) when I turned on my monitors, there are artifacts everywhere! Polygons forming, little dots etc. etc.
When trying to run a game it just looks like a black raveparty.
So I set TriXX to defaults, uninstalled TriXX.
Uninstalled all ATi drivers (also removed the last bits with Driver Sweeper) and GPU-Z now confirms the stock GPU/MEM/VOLTAGE - however, the artifacts is still present when I re-install the ATi drivers.
If I run the standard win7 drivers, there is no artifacts, but once I install the 10.10 Catalyst drivers, the artifacts are back.

Im trying my GPU in a friends computer tonight, to see if its the actual card that is messed up, or just my OS.

Any suggestions to what I could try in the mean time?

Edit: my hardware :
XFX 6870 BE
AMD Phenom II 965 BE
3 days old 600W PSU
MB: ASUS M4A87TD
CORSAIR 8GB DDR3 1600MHz DDR3

Edit 2: Also tried to re-insert the GPU as well as removing the MB battery for 10sec.
Edited by knz - 11/23/10 at 5:23am
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post #1172 of 6939
Quote:
Originally Posted by knz View Post
Hi all. I have just registered here, because im in need of some help.
I have a 6870 which is 940/1150 at stock (The XFX black edition.) However - I wanted to squeeze a bit more out of this card, so I ramped it up to 1000/1150 vith a volt 1.25. Tried some Crysis and BFBC2 - everything was working as intended. The temps maxed at 76C when running BFBC2 for hours (99% GPU usage).

This is the part where it all fails:
I left the computer running over night (idles about 52C on the OC i mentioned above) when I turned on my monitors, there are artifacts everywhere! Polygons forming, little dots etc. etc.
When trying to run a game it just looks like a black raveparty.
So I set TriXX to defaults, uninstalled TriXX.
Uninstalled all ATi drivers (also removed the last bits with Driver Sweeper) and GPU-Z now confirms the stock GPU/MEM/VOLTAGE - however, the artifacts is still present when I re-install the ATi drivers.
If I run the standard win7 drivers, there is no artifacts, but once I install the 10.10 Catalyst drivers, the artifacts are back.

Im trying my GPU in a friends computer tonight, to see if its the actual card that is messed up, or just my OS.

Any suggestions to what I could try in the mean time?

Edit: my hardware :
XFX 6870 BE
AMD Phenom II 965 BE
3 days old 600W PSU
MB: ASUS M4A87TD
CORSAIR 8GB DDR3 1600MHz DDR3

Edit 2: Also tried to re-insert the GPU as well as removing the MB battery for 10sec.
What PSU specifically? My experiences are that the cards are extremely sensitive to bad PSU's and will start artifacting like crazy if they do not get clean power. It seems odd that your card seems damaged from it though. If it still artifacts in your friends computer, it sounds like you need to RMA.
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post #1173 of 6939
Thanks for your reply
Its a "OCZ MODXSTREAM PRO 600 WATT"
I really dont understand it if the card have taken damage from this. Some guy at a forum is running the volt I tried (1.25) on his card w/o any problems, and as I mentioned above - the card only peaked 76C after hours of gaming on the current OC.

Still, I do not understand how come it doesn't artifact or act weird in any way when running w/o drivers. Its when I install 10.10 drivers that things get messes up.

Edit: when trying to run a game, it either just artifacts like hell or crash (like it would with a bad OC)
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post #1174 of 6939
Haha my current PSU is the 700W version of the ModXStream IIRC It's not all that great but it definitely shouldn't cause issues like these. Have you tried with the 10.9 drivers?
Have you uninstalled all overclocking utilities? What if you install the latest beta of MSI Afterburner to check what the settings really are?
I am experiencing similar issues on my card as well. If I overvolt my card even just slightly, it will start producing similar articats (from the sounds of it) as yours right up to my card hitting 60c - after which I will no longer experience the issues (until it goes down below 60c again).
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post #1175 of 6939
Yeah, I tried both 10.9 and 10.8 from AMD but they didnt want to install drivers for my card, just the CCC? Only 10.10 package contains drivers (from the custom list where you always remove LOTR trial ^^ )

I will try to run a game to get some temps and see if it gets better. When im writing this, the gpu is idling at 41.5C with all settings (both clock and ATI CCC) on default.

GPU-Z confirms that the card is running stock
Gaming: 940/1150 1.172V
Dekstop: 100/300 0.945V
-- Isnt it supposed to be 300/1150 in desktop?

Edit (again ): Ran BFBC2 to the point where the GPU stops at 68C (still stock), but it was still just black boxes and crazy colors everywhere.
Edited by knz - 11/23/10 at 6:28am
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post #1176 of 6939
Wow I'm so jealous of your 6850s. To run 950mhz I need 1.243v and it's still not stable. One day it passed 17m of Furmark and the next day it crashed after 4 minutes and crashed during Crysis.

Quote:
Originally Posted by soilentblue View Post
noone's running these cards under water yet? i see the blocks are for sale at some sites. the 6870 seems like it could benefit well from a waterblock
It's pointless to put a mid-range card under water.

Quote:
Originally Posted by knz View Post
Yeah, I tried both 10.9 and 10.8 from AMD but they didnt want to install drivers for my card, just the CCC? Only 10.10 package contains drivers (from the custom list where you always remove LOTR trial ^^ )

I will try to run a game to get some temps and see if it gets better. When im writing this, the gpu is idling at 41.5C with all settings (both clock and ATI CCC) on default.

GPU-Z confirms that the card is running stock
Gaming: 940/1150 1.172V
Dekstop: 100/300 0.945V
-- Isnt it supposed to be 300/1150 in desktop?

Edit (again ): Ran BFBC2 to the point where the GPU stops at 68C (still stock), but it was still just black boxes and crazy colors everywhere.
Oh hey RMA time. Submit an XFX support ticket.
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post #1177 of 6939
my people! what are the best frequency at stock voltage in a sapphire 6850?

1 week to get my 6850 ...I can't wait

Greetings!
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post #1178 of 6939
Quote:
Originally Posted by vicrol123 View Post
my people! what are the best frequency at stock voltage in a sapphire 6850?

1 week to get my 6850 ...I can't wait

Greetings!
I haven't seen anyone hit higher than 970 MHz on stock voltage on their 6850.
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post #1179 of 6939
970? omg! heavy!! and in the memory? a decent frecuency for 24/7?

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post #1180 of 6939
Hey guys real quick before I order this thing just to find out its not going to work, Heres a link to a post I made to figure out if I could run this card or not.

http://www.overclock.net/ati/872520-...0-vs-450w.html
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