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post #2111 of 22883
Quote:
Originally Posted by Jimbags View Post

me too almost 24hrs and nothing :-/. ive got about 20c Australian bitcoin mining on my lowly 7770 Ghz edition, 200mh/s.
still no xmp though...
To give you an idea I spent 3 days until I mined my first XPM it mines randomly
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post #2112 of 22883
is it possible that my temp sensors are wrong? gpu feels hot when it shuts down but afterburner/gpu z both report around 65c when it shuts down. the slow boot and fan cycling could then be the gpu trying to cool down before booting, amiright? redface.gif
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post #2113 of 22883
Quote:
Originally Posted by jdc122 View Post

is it possible that my temp sensors are wrong? gpu feels hot when it shuts down but afterburner/gpu z both report around 65c when it shuts down. the slow boot and fan cycling could then be the gpu trying to cool down before booting, amiright? redface.gif
So what issues are you having? Your card is hot after it shuts down, or it just shuts off randomly?

In either case a thermal temperature reader is always useful, it'll give you some good readings I think.
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post #2114 of 22883
pc shuts down (as in, instant power off, no blue screen/error code, and then fan cycles for a while before boot) within minutes of mining all of a sudden, has been working fine for months :/ it does feel really hot, but i just dont see how it can oveheat, dual slot spacing + 3 120mm fans ziptied between the two gpus forcing air between, and gpu fans 100%. mad.gif
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post #2115 of 22883
Quote:
Originally Posted by jdc122 View Post

pc shuts down (as in, instant power off, no blue screen/error code, and then fan cycles for a while before boot) within minutes of mining all of a sudden, has been working fine for months :/ it does feel really hot, but i just dont see how it can oveheat, dual slot spacing + 3 120mm fans ziptied between the two gpus forcing air between, and gpu fans 100%. mad.gif
What size PSU do you have? And when the PC shuts off do the GPU fans stay at 100% speed?

Sounds like it might be a PSU issue, or GPU's overheating, or maybe even your CPU. Do you know what CPU temps you have?
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post #2116 of 22883
Quote:
Originally Posted by cam51037 View Post

What size PSU do you have? And when the PC shuts off do the GPU fans stay at 100% speed?

Sounds like it might be a PSU issue, or GPU's overheating, or maybe even your CPU. Do you know what CPU temps you have?

xfx 850w pro (gold) fans stop, then cycle between 20-50% for around half a minute before boot.

running on a stock i7-950 with a Zalman CNPS10X, around 50c load...
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post #2117 of 22883
Hmmm, well here's what I'd do first, then last in a list:
First:
1)Set both cards to stock clocks and see what happens
If that doesn't work:
2) Wipe drivers and reinstall
If that doesn't work:
3)Take a single card out of the system and try mining with one
If that doesn't work
4) Swap cards and see if it works
If that doesn't work
5) Can you borrow someone's PSU for a bit to try out? If so do that. If not I wouldn't go buy a new one without being certain you need it, maybe other people have some ideas?
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post #2118 of 22883
Also ^^^ to add to this, do you have a v rm sensor? What temps is it running?
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post #2119 of 22883
Thread Starter 
Quote:
Originally Posted by jdc122 View Post

xfx 850w pro (gold) fans stop, then cycle between 20-50% for around half a minute before boot.

running on a stock i7-950 with a Zalman CNPS10X, around 50c load...

You have two 7950s AND an i7 950 off an 850w psu? Is it single rail?
That's some big power there mate, you should undervolt not push 1.25v through your card btw. 1.1v is fine for most mining friendly clocks.
post #2120 of 22883
Quote:
Originally Posted by ivanlabrie View Post

You have two 7950s AND an i7 950 off an 850w psu? Is it single rail?
That's some big power there mate, you should undervolt not push 1.25v through your card btw. 1.1v is fine for most mining friendly clocks.
It should be fine.

Even if the 950 took 200 watts, and each 7950 took 200W as well he's only at 600W on a good PSU, it should be fine.
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