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Topic: What may cause this ? - page 2. (Read 4206 times)

hero member
Activity: 642
Merit: 500
November 27, 2013, 02:51:22 AM
#5
The ADL SDK will report 511 degrees or -127 (IIRC) when the cards are somehow reset while the PC is running.  When this happens to me, it's usually a loose/bad PCI-E riser.  In your case (since all of the cards showed this), I'm sure it was just a significant power fluctuation (probably a quick voltage drop from a brown-out).
hero member
Activity: 555
Merit: 504
November 27, 2013, 02:12:55 AM
#4
they ran fine for a month, tw days ago i had to go there and pfisically restart it and it run for a while. today it was resarted again and when i launched msi afterburner it showed, that no card is available, although it must be 3. They run at 72-76 degrees before, pretty damn good for reference, vrm was in 76-86 degrees. I used this setup to warm that appartment, while its no other source of heat there, so far, so good, but now this. The 511 degrees was reported on all 3 cards fans were spinning at 100%
donator
Activity: 1218
Merit: 1015
November 27, 2013, 01:51:11 AM
#3
They worked fine for a long while before?

Can probably ignore the 511 degree reading. I'd guess it was an electrical blip which caused it, which is what I'd guess is causing your other issue, but I'm going to assume the cards ran fine for a good while (I'd guess it's the rail supplying 6-pin molex connectors which is insufficient). Would probably be worth reseating them all.

Are temps normally <90 degrees Celsius on both of them? Assuming electromigration isn't a factor, reseating doesn't help, and the power-supply isn't at fault, I also agree your card is a wizard. Have you tried counteracting its flame breath spell? Think carefully, because you don't want to end up with a bunch of water in your components.
legendary
Activity: 1358
Merit: 1003
Designer - Developer
November 27, 2013, 01:46:42 AM
#2
If that temp gauge is remotely accurate and the card is still somehow working.. the card is obviously a wizard.

KLYE
hero member
Activity: 555
Merit: 504
November 27, 2013, 01:45:11 AM
#1
I have one remotely controled rig with 2x reference 7970 card + 7950 reference design card.
The thing is that now acting very strange. Had several restarts last day, last time a saw 511 degrees reported by cgminer, is it normal and what can couse that kind of action?
Using one pcie-express 16-16 riser unpowered and 2x pci-express 1x-16x power risers.
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