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How to enable additional shaders on Radeon HD 6950
- Thread starter W1zzard
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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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W1zzard you can add my Sapphire 6950 to the successful updated cards. Thanks you just made a rather dull Christmas shine 
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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yup no issues
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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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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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!
davetheshrew
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mery christmas lads enjoy your unlock
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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
Nice, congrats, "fellas"
Article in the link below.
AMD Radeon HD 6950 Reportedly Shipping with Unlockable Shaders
Dude,
http://www.computerbase.de/news/har...eon-hd-6950-zu-radeon-hd-6970-freigeschaltet/
And I just started a thread on hardwareluxx.de (one of the biggest oc sites in germany)
http://www.hardwareluxx.de/community/f140/amd-hd6950-hd6970-thread-772439.html
http://www.computerbase.de/news/har...eon-hd-6950-zu-radeon-hd-6970-freigeschaltet/
And I just started a thread on hardwareluxx.de (one of the biggest oc sites in germany)
http://www.hardwareluxx.de/community/f140/amd-hd6950-hd6970-thread-772439.html
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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!
obsoletepower
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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?
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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@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
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
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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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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