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Topic: Mining rig randomly shuts off? - page 3. (Read 13129 times)

full member
Activity: 350
Merit: 100
April 29, 2011, 08:39:21 PM
#11
OCZ ZX Series OCZ-ZX1250W 1250W ATX12V v2.2 / EPS12V SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply Compatible with Core i5 & i7

+12V Rails
    Single

thats the one.

i cant seem to stop it from being 100 percent cpu, i didnt put any flags (im using guiminer)
legendary
Activity: 3080
Merit: 1083
April 29, 2011, 08:32:33 PM
#10
yeah its connected to a power strip, as for rails im not sure what that means, but im using all but two of the pcie ports for power, since the 6990 needs 2 power cables each.

what should i do, connect it to the wall instead?

actually do you think logmein is messing with it? cus i left it alone for two hours and it hadnt shut off, then i used logmein to check up on it, and it shut off within an hour.

It could maybe possibly remotely cause a driver crash..also try to tone down on the aggressiveness of the miner in case the system being at 100% GPU load is somehow causing driver crashes. As for power supply how about you tell me what power supply specifically you have and I'll tell you if it has dual rails or single. OR you can google it Smiley

full member
Activity: 350
Merit: 100
April 29, 2011, 08:17:03 PM
#9
yeah its connected to a power strip, as for rails im not sure what that means, but im using all but two of the pcie ports for power, since the 6990 needs 2 power cables each.

what should i do, connect it to the wall instead?

actually do you think logmein is messing with it? cus i left it alone for two hours and it hadnt shut off, then i used logmein to check up on it, and it shut off within an hour.
legendary
Activity: 3080
Merit: 1083
April 29, 2011, 07:18:05 PM
#8
Single rail or multi rail power supply? If multi rail make sure you spread the load across all the available PCIE rails.
sr. member
Activity: 392
Merit: 250
April 29, 2011, 07:03:17 PM
#7
Are you going through a regulating power strip or UPS?

Could be the power supply being sensitive to the incoming power.
full member
Activity: 350
Merit: 100
April 29, 2011, 06:59:16 PM
#6
i got a 1250 watt power supply, planning on running three 6990s on it, they will not be overclocked however.

i already changed the sleep settings. anyone know how to hook up the third one using windows 7?
member
Activity: 84
Merit: 10
April 29, 2011, 05:44:04 PM
#5
Do you have enabled the energy tweeks (shutdown monitor and sleep mode features)?

I had to disable them, that features may cause that kind of issues.  Undecided
full member
Activity: 154
Merit: 100
April 29, 2011, 05:28:11 PM
#4
If he bought the power supply from the build specs he listed before, he has ample power.

Unless it's defective. But it seems to be a very good unit.
legendary
Activity: 1750
Merit: 1007
April 29, 2011, 05:14:15 PM
#3
What size power supply are you running, and are the cards overclocked?  Sounds like the cards are crashing, and they're crashing in a way that Windows can't recover from.  Two 6990s require a MASSIVE power supply, especially if the machine isn't dedicated to mining meaning other components may be drawing a reasonable amount of power as well.
sr. member
Activity: 302
Merit: 250
April 29, 2011, 05:13:41 PM
#2
Yes, your Power Supply is supplying insufficient power. You need a better PSU.
full member
Activity: 350
Merit: 100
April 29, 2011, 04:55:46 PM
#1
I finally got two of my 6990s hooked up and both of them are mining just fine now under windows 7.
but then randomly the whole computer just shuts off, but not completely.
the monitor no longer displays anything and i know they have stopped mining because i checked deepbit.


im using 11.4 cata, not sure about sdk, i never installed any so it might be what ever it is default
its also @ 100 percent cpu and 56 percent ram.

anyone know whats going on here?
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