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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1000

post #9991 of 38701
Quote:
Originally Posted by tinate View Post

I'm using Trixx. Voltages are 1.2V for Vcore and stock for memory.
I'm running at 1100/1600. It's not a great OC, but my ASIC quality is only 75%

Try with default settings and see if you have crashes.
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post #9992 of 38701
That's what I'm doing right now, but I'm not sure why an unstable overclock would cause the driver to crash. It seems I'd get a green screen or maybe artifacts, but I don't get why the driver would fail.
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post #9993 of 38701
@hill01
Turn off AMD overdrive.
tinate
Drivers mostly crash when GPU core is not stable, while memory is producing artefacts. Also if you memory is pushed too hard, you may see perfomance drop due to ECC.
Edited by sena - 4/28/12 at 3:30pm
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post #9994 of 38701
Quote:
Originally Posted by sena View Post

@hill01
Turn off AMD overdrive.
tinate
Drivers mostly crash when GPU core is not stable, while memory is producing artefacts. Also if you memory is pushed too hard, you may see perfomance drop due to ECC.

System could just reboot if not hard lock over vram overclocks as well. Also, I would not use ECC to describe the error correction algorithm because true ECC it is not.
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post #9995 of 38701
Quote:
Originally Posted by tsm106 View Post

System could just reboot if not hard lock over vram overclocks as well. Also, I would not use ECC to describe the error correction algorithm because true ECC it is not.

Didnt knew that, thx for info. +1
Also one question, what about stopped responding, could that be memory?
Edited by sena - 4/28/12 at 3:51pm
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post #9996 of 38701
Finally got XFire stable. Had the BSOD with atikmpag.sys. Did the registry hack, reinstalled drivers. A few restarts. Manually equalised the GPU clocks to default clock. These reference cards run rather hot and loud when the fan spins up. 72 under load... woooww... I'm so used to WF3 card being in the low 60's the temps are cetainly unusual to me.
post #9997 of 38701
Holy shjiiit!
GPU-Z shows that MAX VDDC on my card is 1,42V :O
This is with Trixx @ 1,36V and 20% Board Power Li!

6pt.png
Edited by Aventadoor - 4/28/12 at 4:10pm
post #9998 of 38701
When i try to set a new clock with trixx it just reverts back to stock immediately. Whats up with that?
post #9999 of 38701
Quote:
Originally Posted by Aventadoor View Post

Holy shjiiit!
GPU-Z shows that MAX VDDC on my card is 1,42V :O
This is with Trixx @ 1,36V and 20% Board Power Li!
6pt.png

Mine also did that from time to time, but it showed 1,5v on both my cards... dunno why tho, haven't seen that anymore.
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post #10000 of 38701
POST 10K !!!!!!!!!!!

Guys, what graphics Score does you get with 2x7970 stock in 3dmark11 ? And at what voltage ? I'm trying to clock my cards to match 2 stock 7970 but with less voltage...
Edited by Ottesen - 4/28/12 at 5:34pm
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