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x1950xtx crossfire flicker/instability

post #1 of 12
Thread Starter 
I recently "upgraded" to a x1950xt crossfire system and i'm having some possible driver problems, I've tried ati 8.6s, ati 8.4s, and 7.4 warcats, everything seems to run fine in 2d apps, or on the desktop, but when i get into games, just as my cards start heating up the screen will start blacking out, about every 15-30 seconds, just the screen goes black for maybe 1.5 seconds, then it comes back, The cards max at about 55 - 65 C depending on what the clocks are the fans never get to high, have Both fans controlled via ATitool. When I was running Atitool earlier, just running the program itself, I was gettin the same flicker effect, then shut off the program and it would be fine, so I have since uninstalled Atitool, and reinstalled.

Just loaded up BF2 to see if It still flickered, and it started doing it, played it about 2 minutes, hit Quit, and then came to a blue screen that said the file "ati2dvag" got stuck in an infinite loop, and the computer had to shut down. That's the first time I got that screen, although a few days ago my pc rebooted itself when I first had the cards in, so may have been a similar problem.

Not sure what the problem is, I have tried these few sets of drivers, and the same problem persists..

When changing drivers, uninstalled via Add/remove, restart, used Drive cleaner pro, restart into safemode, use DC pro again, then reinstall new drivers...

I guess you could call this flickering? Also would It have anything to do with updating my motherboard, or a BIOS option, just some ideas
post #2 of 12
Quote:
Originally Posted by Faster_is_better View Post
Just loaded up BF2 to see if It still flickered, and it started doing it, played it about 2 minutes, hit Quit, and then came to a blue screen that said the file "ati2dvag" got stuck in an infinite loop, and the computer had to shut down. That's the first time I got that screen, although a few days ago my pc rebooted itself when I first had the cards in, so may have been a similar problem.
Ive got that before when i overclocked my X1950XT too high
Clevo P650RP6-G
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Clevo P650RP6-G
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post #3 of 12
Thread Starter 
hmm, initially when i opened Atitool, before I uninstalled and reinstalled it, it showed the default clocks as in the 500s, for 2d settings I beleive, then when you open a 3d app, the cards clock themselves accordingly, Now when I open up atitool, it shows the default clocks as 695 / 999, or something close to that. Would the card try to set itself higher when I ran a 3d app still? I imagine if it went higher when running a 3d app, it would be overclocking itself much to high, thus making it unstable. Do I need to update some motherboard drivers? chipset or something possibly?

The cards are used, and I beleive the owner had them overclocked some, possibly that's why its showing up like this now. But he said they were running fine, pulled from a working system and he was running them on 8.5 cats I think.
post #4 of 12
ATI Tool has an option to disable Overdrive on X1k cards to prevent what you're describing from happening to clocks - are you using it?

I would try disabling Overdrive (or even uninstalling CCC and using ATI Tray Tools) and explicitly setting your 3D clocks to 650/1000 and see where that gets you.
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Morpheus Mini
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post #5 of 12
Thread Starter 
I never enabled overdrive in CCC, when I open up atitool, it shows the clocks 509/594, and in the title it says Default (648/999) Which is the requested clocks that CCC shows, so I imagine that those are the 3d clocks. I will play with it a bit more.

Is it possible to run different versions of CCC with different display drivers, or is that not reccommended/possible?
Edited by Faster_is_better - 6/29/08 at 1:09pm
post #6 of 12
Quote:
Originally Posted by Faster_is_better View Post
I never enabled overdrive in CCC, when I open up atitool, it shows the clocks 509/594, and in the title it says Default (648/999) Which is the requested clocks that CCC shows, so I imagine that those are the 3d clocks. I will play with it a bit more.

Is it possible to run different versions of CCC with different display drivers, or is that not reccommended/possible?
Not possible AFAIK - In addition to being the name of the overclocking utility in CCC, Overdrive is also the automatic clock switching that moves from 2d to 3d clocks.
Morpheus Mini
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post #7 of 12
Thread Starter 
removed the mastercard, put in just the other card, reloaded the latest Ati cats, 8.6, slightly underclocked card, and everything runs fine, Nay, great... I'm almost wondering if my 2nd pci slot is damaged, or possibly the dongle, or power cable, even though the psu is like 4 days old... any way to test these ideas effectively? I suppose I could jerry rig my 939 setup back together, and test crossfire with it. That would be quite the endeavour though

Forgot to mention everything runs great, Other than it sounds like a vacuum cleaner when fans are goin, kinda scary thinking of 2
post #8 of 12
I loved my x1900s when I had them. I'd recommend Catalyst 7.2's and lower for them. Perhaps even 6.10's. As i remember, after 7.4's the drivers were more for the 2900 series than the 1900s. Worth the shot anyway.
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post #9 of 12
Thread Starter 
Ya, so far, I've tried, ati 8.6, 8.4 and 7.2s, and warcat 7.4, and 8.6's, I don't have the numbers but just from looking at atitool fps, the warcat 7.4's have been the best so far, the 8.6s are just slightly lower, the 8.4 and 7.2's were quite a bit lower. I don't think its so much problems with the drivers as with some hardware conflicts now, as I said 1 card works just fine.
post #10 of 12
Thread Starter 
threw in the mastercard again, to try to crossfire, and i never get to boot, with both cards in, put either card in seperately its fine, what i did notice is that a red LED lights up on both cards when when I have both installed, from what I could read up on this, it means their isn't enough power.. I've had both these cards working before, on a lesser PSU, and the PSU currently in their, I tried different cables even. The only thing that has changed, I was running my computer straight from teh wall before, as the previous battery backup I had didn't provide enough wattage to run my system. I bought an 810w cyberpower UPS, and I was running from that. I didn't get a chance to try power straight from the wall, but If that's the problem I won't be to happy, as I bought it just for this basically.. Anyone know of Amperage draw restrictions on cyberpower UPS, or what else could it be...
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