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Gigabyte GTX480 SOC - Artefacting (help please) - Page 2

post #11 of 21
Thread Starter 
thanks - its only 6 days old so going back for full refund I think

I tried lowering ram down to 1800 to no avail

I didn't try bumping up volts, but did drop clock down to 760 at which point totally stable - at the stock 1.038V

but interestingly - go below 1.038V - say 1.02 or 1.01 - and drop GPU clocks way down to 700 - and not stable at all either - very odd

interestingly had a 570 before, and if that was overclocked too high ... I didn't get artefacts Heaven would crash ... so very different set of events on this card - very odd

this was another part of heaven

artefacts.avi

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post #12 of 21
Yeah, I think if you up'ed the voltage maybe one click you'd be fine. But if you can get a full refund I'd do that then grab a used one off here for sub $300 in a few weeks once you get a few rep points and some more posts.
    
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post #13 of 21
I am in exactly the same boat as you, but I just sent in my 480 SOC to Gigabyte for RMA. Afterburner reported my 480 at 1.000 for stock volts. Even after bumping the volts up two notches it still artifacts pretty bad in OCCT.Over a thousand errors in OCCT under the first minute.

Ended up having to drop clocks on the card way down (720) to get it to stop artifacting at stock volts. And it still did, but only a couple errors out of a 25 minute run on OCCT. The factory OC on my card was way unstable.

No real biggie for me I guess since I know things like this happen from card to card, and Gigabyte has been great so far with the RMA experience.

Would for sure send the card back for RMA. Your sig looks good, should be able to handle the weight of this card, power wise. Unless that PSU is aged. Your 480 seems in a little better shape then mine was.

Gigabyte told me it should be less than 2 weeks before I get my replacement, just mailed mine off yesterday.

Was really impressed with that dud of a card though. It was quiet, unless fan went over 80%, and ran cooler than the GTX 280 it replaced under idle and load.

Everything I've heard people complain about with the 480's was not a issue with that 480 SOC, so that's why I decided to go the RMA route instead of shipping it back to the Egg for a refund.
    
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post #14 of 21
i have the same problem..... anything new ?????
post #15 of 21
Thread Starter 
Default
I posted original thread - so I thought I'd update it:

so bought a Corsair HX850 to replace my Tagan 700W. The Corsair is plenty powerful enough and very high quality.....

same artefacts - no better and no worse

really annoyed now - as wasted another £110

any ideas ?

lots seem to be having issues so something very wrong somewhere

as a reminder - it passed all of GBs tests - including 4 hrs of Furmark, Heaven etc - with no artefacts @1.038V stockvolts and 820 core

yet even with my new PSU I get flashing artefacts all over the place almostimmediately within Furmark, and artefacts all over the place in Heaven

I'vetried every possible mobo settings,including trying higher and lower northbridge and southbridge voltages, lower than stock PCI-E speeds (98 odd) and higher than stock PCI-E speeds (105 odd)

all to no avail

any ideas ?

my PCI-E slot on my mobo - is only PCI-E 1.1 - but that shouldn't be an issue power wise should it?
post #16 of 21
Quote:
Originally Posted by Buckster View Post
new card - won't run at the "stock" 820 speed

basically was getting flashing "blue" textures, "quick" black flashes (both horizontal and vertical) on screen, and odd "stars" occasionally appearing - when running Heaven. Also in transitions almost seemed as if card was pulsing rather than smooth transition

OCCT just got into the hundreds of errors within 20 seconds or so ...

Afterburner reckons stock volts is 1.038V, Gigabyte OC software reckons 1.025V

if I drop clock speed to 760 - all is OK - passes 20 mins of OCCT without error

I'm about to RMA, but want to check if theres anywayit could be my system

(1) I have a Tagan 700W - its a high quality one I would expect it to be enough - but any chance its not providing enough current to the card ? I don't think card is pulling that much power - my wall meter reckons for whole base unit under OCCT about 460-470W

(2) I have a PCI-E 1.1 mobo ... didn't the amount of power drawn frmo the slot increase whn they went to PCI-E 2.0 - is it possible the 480 is expecting to be usedin a PCI-E 2.0 and its somehow leaving a power deficit ?

(3) could it be something weird like me PCI-E bus speed ? (I've tried dropping to 95MHz, and increasing to 105 MHz) to no avail

I've tried dropping my CPU clock from 3.5 gig down to 2.8 gig to lower power consumption by 50-80W or so - but makes absolutely no difference to artefacting

stuck for ideas other than the card isn't stable at stock overclock
I have the same card and have had the same problem occt artifracting @ stock and 1000's of errors although it's not too bad in games i hear there all like it there is topic open on overclockers forum, one guy is on his third card! still the same

rest assured it's not your pc
Edited by Chewy - 5/16/11 at 12:06pm
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post #17 of 21
Thread Starter 
Chewy- I hear what you are saying

but the "proof" of testing GB sent me I actually believe (call me niave)-about 20 screenshots/photos etc

but thats on a GB mobo - could it besomething "special" on those GB mobos?
post #18 of 21
Quote:
Originally Posted by Buckster View Post
Chewy- I hear what you are saying

but the "proof" of testing GB sent me I actually believe (call me niave)-about 20 screenshots/photos etc

but thats on a GB mobo - could it besomething "special" on those GB mobos?
Motherboard type makes no difference why should it ?

I have been searching about the problem aswell and it seems plenty of people are facing the same issues
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post #19 of 21
hey buckster i think ive seen you on OCUK forums?? yeah ive got the same card as you have from OCUK aswell and had issues sent it back and they said theres not a fault with it charged me £21 + the £22 i was supposed to recieve back from shipping which they then turned back and said they couldnt refund bearing in mind this was within 7 days =/ but the way i found is to up my voltage again i think the safest i got told was 1.1 at an utter maximum safe but the temps will rise it seems to have solved mine *touch wood* but i still dont think its acceptable for me to have to up the voltage that ammount to get it stable, tried loads of drivers etc even the Quadro driver trick and still had them. My PSU is 1000W coolermaster so theres no chance it was that i still get OCCT errors but no ingame artifacts OCUK wont replace the card as they say OCCT is an "Unreliable Test" they tell me that each time i ring but its not the test is fine.
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post #20 of 21
Quote:
Originally Posted by Buckster View Post
thanks - a replacement PSU is not an easy check though I'd be looking at £110 for an 850W plus decent psu plus a whole host of recabling

how annoyed would I be then if it was the card after all lol

had a heavily overclocked 570 before and that was fine lol

not sure what to do now - I don't think I can really test the card in my 380W HTPC !!!!
The 570 uses about 100W less in full load compared to the 480.
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