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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1799

post #17981 of 38701
We are about to take this to an online petition. (Maybe to court )

http://rog.asus.com/forum/showthread.php?21534-AMD-Response-to-Trifire-Eyefinity-issue-on-the-Rampage-IV

(Around page 40) AMD admits they found an issue with Crossfire + Eyefinity + (x58 or x79 Chipsets)

Nothing is moving and we think that our issue is not fixable.
Quote:
BS146. End Agent PCIe* Packet Errors May Result in a System Hang
Problem:PCIe agents are required by the PCIe Base Specification to identify and report packet errors. Due to this erratum, certain invalid completion types from the end agent are not correctly handled by the processor.
Implication:If a PCIe end agent issues certain invalid completion types, the system may hang.

Workaround:None identified


Refer to this (BS146) in Erratum section

http://www.intel.com/content/dam/doc/specification-update/core-i7-lga-2011-specification-update.pdf



.
Edited by KaRLiToS - 11/17/12 at 9:51am
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post #17982 of 38701
Quote:
Originally Posted by Gir View Post

Received my Gigabyte 7950 Windforce 3 in today. Here's my results so far. Going to try pushing a little more tomorrow. Hopefully 1.3Ghz / 7.6Ghz is possible. Highest the GPU temp went was 63 in my tech bench.
http://www.3dmark.com/3dm11/4940270

Can you post what your ASIC quality is and what volts you're pushing those clocks at? My card is almost blocked at 1125/1400 @ 1.2v, and I'm not willing to push it much higher due to VRM temps getting out of hand. My ASIC is 57.2% which is quite horrible. I want my 93% back from my 570!
post #17983 of 38701
I've had a quick look through this thread but not seen any answers, I wonder if anyone here has the same problem that I do:

I have an asus 7950 direct cu2, it runs cool, quiet and VRM temp is also good.

However, if I put the volts above ~1.1V I get a hang after a short time (1 minute ish) with repeating sound and the monitor turns off. This happens even at stock clocks with the higher voltage.

I have this problem with multiple drivers - 12.8,12.9,12.10,12.11 betas

From reading, I would guess the VRM temperatures are too high, but GPU-Z shows them as 60 degrees C, and the core shows as only 70 ish.

My ASIC quality is 83.5% and it's perfectly stable at 1100MHz/1100mv.

Though my CPU is overclocked, this problem happens even when it is at stock.

I'd appreciate any input - I'm at a loss

Edit: forgot to mention I have the power limit up 20%
Edited by bogalog - 11/17/12 at 1:04pm
post #17984 of 38701
Sappphire HD7950 950mhz edition.


3dmark11scorefast2550ram.jpg


http://www.3dmark.com/3dm11/4961314
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post #17985 of 38701
Quote:
Originally Posted by UglyCheater View Post

Hey guys I got a short question before I buy my new equipment. I want to buy 2x the sapphire 7970 oc dual x version and run them in crossfire on asrock extreme4. Can anyone confrim, that it will fit space wise or maby suggest me better motherboard?


Quote:
Originally Posted by UglyCheater View Post

Well I wrote that all pretty short...
My resolution would be just 1920x1080 with an i5 3750k overclocked cpu. For now I would be happy with one card but I want to add a second 7970 sapp oc dual x one after some time, when one wont be enought. It will be my first own build so I ask if they will fit and arent too close so they warm up faster.



Anyone?
Edited by UglyCheater - 11/17/12 at 3:19pm
post #17986 of 38701
Quote:
Originally Posted by Daffie82 View Post

Depends on your card, but you should be able to reach 1100mhz on the core quite easily if you got the dual fan version and if you have a good airflow in your case thumb.gif

I have a Haf X big tower. It's a really good airflow and i will add some interior fans tomorrow, i can have up to 2 fans in my chassi. And i have one under my chassi, one 240 on the side and 2 140's on top and the standard on the back. I think that is enough right? biggrin.gif
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post #17987 of 38701
Does anyone know if the swiftech 7900 series water blocks are any good?
post #17988 of 38701
Quote:
Originally Posted by octiny View Post

It's not the PSU. Multiple people have posted saying they haven't been able to get above 1200mhz on the 7970 Matrix, I tested 2 samples and neither would go above that no matter the settings so I returned both.
Ending up getting a Devil 7990, and it's powered by a quality 750w psu with the entire system along with the 7990 overclocked.
So it's not your PSU, just another Matrix 7970 owner added to the list that couldn't overclock higher than any normal 7970 even though you paid a premium price.
Not that it matters, but my Matrix's had a 63% and 70% ASIC rating, and my 7990 has 84% and 81% ratings.

This is what I've scared of. Thanks.
 
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post #17989 of 38701
Quote:
Originally Posted by Shiromar View Post

Can you post what your ASIC quality is and what volts you're pushing those clocks at? My card is almost blocked at 1125/1400 @ 1.2v, and I'm not willing to push it much higher due to VRM temps getting out of hand. My ASIC is 57.2% which is quite horrible. I want my 93% back from my 570!

ASIC doesnt mean squat when it comes to overclocking other than whether you will need more or less to achieve your cards maximum overclock. My WF3 7950 has ASIC of 57.7% and I can reach a stable overclock of 1250/1800 @ 1.31V with VRM temps no greater than 63C and GPU temps of 54C with custom fan profile.
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post #17990 of 38701
[/quote]
Quote:
Originally Posted by ZealotKi11er View Post

Are you using Beta Driver? As far as i know having single HD 7970 i did not have much problems after 12.6 Driver. BSOD, Game Crasher are not caused by driver. Look at ur other system part or unstable OC.

For now i have switched back to the 12.7 beta driver and it's fine, so its definitely the drivers.
Quote:
Originally Posted by chino1974 View Post

That's very wierd having issues like that with a single card. You should always try wiping all your old nvidi drivers off your rig before installing the AMD drivers. Most likely your drivers issues are not due to bad drivers but a conflict somewhere in your registry or between something left behind from you old nvidia drivers and the new AMD drivers. If you could do it I would recommend actually doing a full clean install of everything. Like that you are 100% sure there is nothing nvidia related left behind that will conflict with your amd drivers. Let us know if you try wiping your drivers or reinstalling everything and how it worked out.I have gone from nividia to amd and vice cersa and never had a serious issue like what you are having. But I always did what I just recommended also. At the moment my rig is on it's 3rd 7970. I went from a reference clock 7970 to a XFX Black Edition 7970 clocked at 1000Mhz core and now a PowerColor 7970 at 110core which of course I oc'd alil more. But I haven't had any driver issues yet. And I'm using ccc 12.11 beta

Thanks, for the advice. I will have to try a clean install of windows when i get the chance because it was just constantly crashing on both the 12.11 beta and 12.10 WHQL. Hopefully it will fix it smile.gif Will keep you posted!
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