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Old Dec 27, 2010, 01:00 PM   #76
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I'm getting artifacts in Heaven when I run at +20
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Old Dec 27, 2010, 01:02 PM   #77
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I'm getting artifacts in Heaven when I run at +20
caused by high clocks ? or temperature ?
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Old Dec 27, 2010, 01:05 PM   #78
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caused by high clocks ? or temperature ?
Default clocks

+10 atifacts too.

I don't run it long enough to get temps but at 0% temps are 64c when running Heaven

Works fine a 0%

+5 Artifacts
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Old Dec 27, 2010, 01:26 PM   #79
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Not sure what do.


Wether I should flash back to 6950 and run @ +20 all the time or

Keep the 6970 bios and run 0% all the time.
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Old Dec 27, 2010, 01:42 PM   #80
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Dropped my Ram to 1350 (25mhz) and put slider to +20

No artifacts although it made no difference to perfromance in heaven wether the slider was 0% or 20+%

Got 1377 @ 880/1350 @ 20+%

Got 1380@ 880/1375 @ 0%
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Old Dec 27, 2010, 01:45 PM   #81
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W1zzard you can add my Sapphire 6950 to the successful updated cards. Thanks you just made a rather dull Christmas shine
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Old Dec 27, 2010, 01:52 PM   #82
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W1zzard you can add my Sapphire 6950 to the successful updated cards. Thanks you just made a rather dull Christmas shine
Have you tested at +20?
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Old Dec 27, 2010, 01:56 PM   #83
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yup no issues
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Old Dec 27, 2010, 02:08 PM   #84
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This is odd. I think my fans speed was to low. I just did another run @20+ and had no issues...
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Old Dec 27, 2010, 02:33 PM   #85
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W1zzard, how are you measuring power consumption of the card? Are you using something like a kill-a-watt and subtracting the system power draw? BTW, I bought a Sapphire 6950 from Amazon so I will be able to report my findings in a couple of days. It should be a pretty nice upgrade going from a 4890 to a 6970.
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Old Dec 27, 2010, 02:37 PM   #86
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Originally Posted by Bluecobra View Post
W1zzard, how are you measuring power consumption of the card? Are you using something like a kill-a-watt and subtracting the system power draw? BTW, I bought a Sapphire 6950 from Amazon so I will be able to report my findings in a couple of days. It should be a pretty nice upgrade going from a 4890 to a 6970.
no, i measure card only power at the bus interface and pci-e power cables. see my vga reviews for a bit more info
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Old Dec 27, 2010, 02:38 PM   #87
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@ 0%



@+20%

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Old Dec 27, 2010, 02:42 PM   #88
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w1zz thanks a ton for this. Just made the 6950 a deciding factor in my upgrade with this little tweak, can't wait to try it out!
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Old Dec 27, 2010, 02:59 PM   #89
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probably the error lies in the memory frequency. 6950 and 6970 use different chips. -ROC (6970) and -T2C (6950). These have different specification, just take a look at the document.

6Gbps vs. 5Gbps
Attached Files
File Type: pdf Q4'10_Databook_GraphicsMemory.pdf (73.3 KB, 278 views)
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Old Dec 27, 2010, 03:15 PM   #90
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mery christmas lads enjoy your unlock
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Old Dec 27, 2010, 03:43 PM   #91
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Glad to see that Sapphire has 4 WINS of 4 trys
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Old Dec 27, 2010, 03:46 PM   #92
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News is starting to spread and W1zzard and TPU have made the news over at MaximumPC.
Nice, congrats, "fellas"

Article in the link below.

AMD Radeon HD 6950 Reportedly Shipping with Unlockable Shaders
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Old Dec 27, 2010, 03:47 PM   #93
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Dude,

http://www.computerbase.de/news/hard...reigeschaltet/

And I just started a thread on hardwareluxx.de (one of the biggest oc sites in germany)

http://www.hardwareluxx.de/community...ad-772439.html

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Old Dec 27, 2010, 03:54 PM   #94
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Bought a gigabyte 6950, will let you know how it goes once I get the card.
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Old Dec 27, 2010, 04:03 PM   #95
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Ive got to wait till I get back to university to try it out in my rig, almost worth going back early!
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Old Dec 27, 2010, 04:08 PM   #96
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Quote:
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Ive got to wait till I get back to university to try it out in my rig, almost worth going back early!
same here
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Old Dec 27, 2010, 04:12 PM   #97
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Hi everybody! Glad to be on this forum, you seem like a great bunch

So I modded my Sapphire HD6950 with the 6970 bios but even with stock 6950 clocks, everytime I run a 3D app or stability test like FurMark, the screen freezes for a couple seconds, goes black then back to normal with a Windows notification message saying the AMD Display driver has stopped responding and has successfully recovered.

Any idea what may be happening? I didn't reinstall the AMD display driver, should I have done that?
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Old Dec 27, 2010, 04:22 PM   #98
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@obsoletepower
This happened to me when I pushed my 6870 (dont own it anymore) to the max and over!
I dont know why it happened but when playing games I think CCC automatically downclocked the core and memory when I started a game because I was able to push the core up to max and it didnt keel over, and when I alt+tabed out of the game a message would very quickly pop up with a loading bar in CCC, but it was always too quick to read.

I would also like an explanation, I suspect its a safety thing for when the chip is pushed too far, so you may have a sample which cannot take the 6970 bios, however I realy dont know, plus I have also experienced the thing that says the driver stopped working and has recovered. I was also thinking it might have been a bad driver installation
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Old Dec 27, 2010, 04:31 PM   #99
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Quote:
Originally Posted by obsoletepower View Post

Any idea what may be happening? I didn't reinstall the AMD display driver, should I have done that?
How strong is your PSU?

And: have you tried +10 to +15? Maybe with +20 it gets too hot and you have problems. Try it with lower GPU and memory frequency first ...
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Old Dec 27, 2010, 04:48 PM   #100
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Quote:
Originally Posted by obsoletepower View Post
Hi everybody! Glad to be on this forum, you seem like a great bunch

So I modded my Sapphire HD6950 with the 6970 bios but even with stock 6950 clocks, everytime I run a 3D app or stability test like FurMark, the screen freezes for a couple seconds, goes black then back to normal with a Windows notification message saying the AMD Display driver has stopped responding and has successfully recovered.

Any idea what may be happening? I didn't reinstall the AMD display driver, should I have done that?
Your graphics card is unstable. Either your PSU is too weak for the extra power draw, or if you are overclocking then it simply might not like those speeds. Especially if you are OCing the RAM since as Yidaki mention, they are likely different chips. Mind you it could still have the same chips seeing as my ASUS 5770s have the same high end chips that pretty much all the 5870s do, but at the same time not all 5770s come with them.



w1zz: So with the 6850s having some review samples running with 6870 shader counts, and I believe it was just a BIOS fix... does that mean the 6850s can be modded to 6870s??

Going to make a news posting over at Pro-Clockers.com for you guys

Great job w1zz
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