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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1142

post #11411 of 38701
Could also be an issue with the HIS BIOS. You could try reflashing using a different manufacturer BIOS, but maybe it's riskier with the 7950.

Speaking of that, is there a known BIOS out there that unlocks 1.35v for reference cards? I'd like to shoot for 1300Mhz. My memory doesn't like anything too far past 1600. I've read a few reviews that suffered low memory OCs. Probably related to the low ASIC quality instead of the modules themselves since bumping mem volts didn't help.
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post #11412 of 38701
Just to contribute some additional info on the 12.6 BETA drivers with my Gigabyte reference 7970 watercooled

My steps to install (from 12.5):

Add Remove Programs > CCC > Remove all files
Restart
Run 12.6 BETA installer
Restart

Worked perfectly. No more sleep bug! (I tested it with monitor shutting off every 5 minutes, letting it sit in shut off mode for 5 minutes and waking again over the course of just over an hour (6 tests). Came out of sleep with no driver crashes each and every time.

I also encountered the issue with the overclocking not working from Afterburner as someone else mentioned (v2.2.0). All I did was shut down afterburner, right click the shortcut, add -xcl again. Run shortcut. Edit -xcl out of the shortcut. Restart. It now accepts my clocks no issues again.

Haven't had a chance to test it (will run some 3DMark11 and see if the score alters much) but when I do I'll report back with that as well.
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post #11413 of 38701
I seem to have an issue with afterburner. I cant adjust the memory voltage. Also my clocks are limited to 1125 on the core and 1575 on the memory. Any ideas?
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post #11414 of 38701
So I'm having a weird issue. I am having random spikes on CPU usage when the cards are installed. If the cards don't have the drivers running though, there's no spikes. So I'm sure that the spikes are being caused by the drivers. I did not have this issue previously when I had my 6870s installed. mad.gif

Edit: Figured it out! My CPU was getting pegged at full voltage and 100% usage every 5 secs by a program called Windows Presentation Foundation... I stopped the service and the spikes went away. It even added to my 3D11 score thumb.gif. http://3dmark.com/3dm11/3562523
Edited by Derko1 - 6/1/12 at 5:12pm
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post #11415 of 38701
Managed to get clocks unlocked fully but still cant set my memory voltage. Stable at 1250 core clock and 1700 on the memory with a core voltage of 1.25. Id like to go higher but without upping the memory voltage I dont think I will get much further.
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post #11416 of 38701
Quote:
Originally Posted by Derko1 View Post

Well I got my 7970s installed like 20 minutes ago! BUT! I am having issues... already... I hate ATI because of this... Scaling options are not sticking when I restart. They were working fine before, but now until something triggers the CCC panel to load, I have black borders all around my screen.
Also, I can not install the realtek HDMI sound driver. I get a message saying I have no speakers connected to the device. It seems like when the driver is installed, it only sticks to one of the other many ports the cards have. In turn not recognizing the one that actully is connected.
Anyone have any fixes?

For the black boarders, go into ccc and into display settings, go to the scaling section and slide the over scan slider to 0% and apply. That will fix it.
     
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post #11417 of 38701
Quote:
Originally Posted by jomama22 View Post

For the black boarders, go into ccc and into display settings, go to the scaling section and slide the over scan slider to 0% and apply. That will fix it.

That's what I have always done... but it's just the 12.6 drivers... they seem bugged with this. It takes about a minute or two after restarting for it to kick in. Thanks though. wink.gif
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post #11418 of 38701
Quote:
Originally Posted by Johnny Utah View Post

Could also be an issue with the HIS BIOS. You could try reflashing using a different manufacturer BIOS, but maybe it's riskier with the 7950.
Speaking of that, is there a known BIOS out there that unlocks 1.35v for reference cards? I'd like to shoot for 1300Mhz. My memory doesn't like anything too far past 1600. I've read a few reviews that suffered low memory OCs. Probably related to the low ASIC quality instead of the modules themselves since bumping mem volts didn't help.

There is an Asus bios floating around that will allow up to 1.4V using Asus gpu tweak. Can't remember what post, but it was in this thread http://kingpincooling.com/forum/showthread.php?t=1559
    
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post #11419 of 38701
Quote:
Originally Posted by FtW 420 View Post

There is an Asus bios floating around that will allow up to 1.4V using Asus gpu tweak. Can't remember what post, but it was in this thread http://kingpincooling.com/forum/showthread.php?t=1559

Thanks FTW! thumb.gif
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post #11420 of 38701
Quote:
Originally Posted by FtW 420 View Post

There is an Asus bios floating around that will allow up to 1.4V using Asus gpu tweak. Can't remember what post, but it was in this thread http://kingpincooling.com/forum/showthread.php?t=1559
Got it, thanks. Will try it out. thumb.gif

Here are the posts in-case anyone else wants a go.
http://kingpincooling.com/forum/showpost.php?p=18969&postcount=35
http://kingpincooling.com/forum/showpost.php?p=19156&postcount=58
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