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post #21 of 55
New GPU, CPU, motherboard, and RAM? Issue still present?

Sounds like a PSU problem for sure.(nothing else left lol) I couldn't see any of the peripherals causing a complete lock up like that even in BIOS.(HDD, CD drive, fans etc)

Not like your case is gonna be causing this.

Finally I could see that maybe if one of your peripherals(CD/HDD etc) was experiencing an internal short circuit the PSU may automatically power down to prevent damage, but that doesn't seem like what's happening to you because it keeps running.

Edit: Even if the PSU is delivering the proper voltage it could be delivering too little amperage.(even a split second of insufficient amperage would still bring everything screeching to a halt) This would be difficult to test for, but not at all outside of the realm of possibility for a PSU malfunction.
Edited by Subcutaneous - 4/19/12 at 11:04pm
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post #22 of 55
Thread Starter 
Quote:
Originally Posted by Subcutaneous View Post

New GPU, CPU, motherboard, and RAM? Issue still present?
Sounds like a PSU problem for sure.(nothing else left lol) I couldn't see any of the peripherals causing a complete lock up like that even in BIOS.(HDD, CD drive, fans etc)
Not like your case is gonna be causing this.
Finally I could see that maybe if one of your peripherals(CD/HDD etc) was experiencing an internal short circuit the PSU may automatically power down to prevent damage, but that doesn't seem like what's happening to you because it keeps running.
Edit: Even if the PSU is delivering the proper voltage it could be delivering too little amperage.(even a split second of insufficient amperage would still bring everything screeching to a halt) This would be difficult to test for, but not at all outside of the realm of possibility for a PSU malfunction.

thats all i can think of everything else checks out. but even the psu checks out ive tested each of the 12v lines to the gpu both at the card and the socket for the psu i read between 12.10 and 12.129 in both places




actually i can test for amperage haha i have a meter for that
Edited by ELEKTRIK_BLUE - 4/19/12 at 11:10pm
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post #23 of 55
Thread Starter 
well **** i tested the amperage and its rated to be at 70a on the 12v line and im getting roughly between 69-70a it seems to fluctuate
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post #24 of 55
Thread Starter 
well i cant even rma if i want to i cant find the recipt
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post #25 of 55
Quote:
Originally Posted by ELEKTRIK_BLUE View Post

the ram im using now wasnt in the original set up when the issues started a month ago. 2 dif ram kits causing the same issues?

Probably not...
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post #26 of 55
Well I know certain components on the motherboard are run by the 3.3V rail, and I have read that some people experience severe instability when this rail is out of spec. This is where I would look next.
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post #27 of 55
Quote:
Originally Posted by Subcutaneous View Post

Well I know certain components on the motherboard are run by the 3.3V rail, and I have read that some people experience severe instability when this rail is out of spec. This is where I would look next.

But for PCI-E, isnt +3.3v only available on like 2 of the PCI-e pins and on none of the power connectors, which are 12v?
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post #28 of 55
I have no idea what you are trying trying to say..........

The 3.3V rail is mainly used for providing power to your RAM and some miscellaneous motherboard chips. It does also supply some power to the PCI/PCIE ports but I would assume that's mainly for powering the logic chips on those devices as well. I know most heavy current draw stuff comes from the 12V rail(CPU, GPU, even fans) but if you had unstable voltages on the channels that your motherboard&RAM are depending on this could most definitely result in instability. If you look up 3.3V rail it's not an uncommon issue among power supplies.
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post #29 of 55
Quote:
Originally Posted by Subcutaneous View Post

I have no idea what you are trying trying to say..........
The 3.3V rail is mainly used for providing power to your RAM and some miscellaneous motherboard chips. It does also supply some power to the PCI/PCIE ports but I would assume that's mainly for powering the logic chips on those devices as well. I know most heavy current draw stuff comes from the 12V rail(CPU, GPU, even fans) but if you had unstable voltages on the channels that your motherboard&RAM are depending on this could most definitely result in instability. If you look up 3.3V rail it's not an uncommon issue among power supplies.

On the PCI-E slot pinout, only a few are 3.3v. The power connector is comprised of 12v and Gnd leads.
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post #30 of 55
So what is the relevance of that comment to this discussion. That's what I'm confused about.
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Patriot Pyro LG DVD Antec 620 7 
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KDS 22" k120 logitech Antec Neo Eco 520W Azza Triton 401 
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Sidewinder X8 
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Overclock.net › Forums › Components › Power Supplies › really odd issues need some serious help