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RIVE pci-e power ?

post #1 of 33
Thread Starter 
i seen some were on a forum(can't find it anymore) that there is a way to plug in a extra molex power cable for added juice for the pci-e lanes. I have noticed that from time to time when i have cpu, ram, and gpus overclocked pretty heavily i will suddenly lose power. This usually happens when heavy gaming is going on. I first thought power supply was faulty. So i had a friend who works on electronics test it and he said my psu is in awesome shape. I then took advice from everyone on here. They said ram. Which memory is usually the cause of many system instability problems. So i tried many things like only running my ram at 1866mhz, 1600mhz, and even 1333mhz. I even tried all that with only 2 sticks in 2x4gb. Still sudden power downs during gaming and even other times. I have noted it seems to happen in 2 cases more often than anything else. One when i do odd things with memory. Like editing things with cheat engine. The other time it happens and this is most often, is when i am utilizing a lot of gpu power. It really does seem like the problem is coming from the gpu/pci-e department. Cause even when it happens with cheat engine i still have games open. Also the only other time it has happened was when i was browsing and that was only once. I also note that i don't believe it has ever happened when i only had the one gtx 680. I may be wrong about this but if so it was only once or twice because it didn't bother me enough to worry. So is it possible i am not getting enough juice to the gpus or maybe my psu just doesn't have enough wattage to carry the insane amount of things running. If i turn off all overclocks it doesn't happen. I really don't want to lose my 4.7ghz cpu overclock. I mean for the longest time it seemed so stable and cool. I currently run that at 1.34 volts and a vcssa voltage of 1.17 volts. Oddly enough the v.core pulls 1.35-1.355 and the vcssa pulls 1.18-1.2 volts. I also set LLC to one below max(ultra high i think) I thought thats why i was pulling more volts than what i had it set at but some one on here said its from something else. I can load back safe defaults and optimized defaults and it still seems to pull a bit more than what i set it at. Sorry for such a long thread was trying to get all the info out there so i maybe can fix this long and troubling issue that i have been facing for months now.
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post #2 of 33
Not with molex, there is a supplemental pci-e 6pin power connector on the r4e in behind the audio connectors.
    
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post #3 of 33
Are you suing the 6-pin above the first PCI-e Slot? That will give you extra power.

http://www.evga.com/articles/00600/

There is always this if you think you need it.
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post #4 of 33
Thread Starter 
Quote:
Originally Posted by FtW 420 View Post

Not with molex, there is a supplemental pci-e 6pin power connector on the r4e in behind the audio connectors.
wow i feel like a d-bag i never pluged in any 6 pin near the pci-e slots i now see it though. Sorry i couldn't remember exactly what the thread said. It did prob say 6pin power connector. this leads me to my other question were do i get one of these plugs. Is it the same as the ones running into my gpus. Also does it plug into the psu were the power plugs i have running into the gpus plug into(sry hope you get that lol).
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post #5 of 33
Yes, just take a power cable as if you were going to plug it into another GPU and just plug it in on the motherboard instead.
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post #6 of 33
Thread Starter 
Quote:
Originally Posted by townending View Post

Yes, just take a power cable as if you were going to plug it into another GPU and just plug it in on the motherboard instead.
well i am screwed i am using the only 2 on my psu for my 2 gtx 680s. They both have 2x 6pin and i have both them plugged in require both of my pci-e power outlets on my psu.
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post #7 of 33
Thread Starter 
so i don't have any other option do i beside get a better psu. Well i don't want anything less than 1200watts. Is it and option to get a second psu for my gpus only. Does that require special hook up as to not cause some weird interference. If so anyone have any good ideas on a psu that is 1200watt+, i need one with hella pci-e power connectors(was going to go 3way with my 680s). I also already have all 5 of the HDD/Sata/ other power connectors fulled so more would be welcome on a new psu.
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post #8 of 33
BOOM!

I was gonna get this PSU, but got the HX1050 instead. tongue.gif

8 PCI-E connectors, plenty for a Tri-SLI setup and extra power to your board. Hell, or even Quad with a PCI-E to Molex adapter if need be. wink.gif
 
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post #9 of 33
I am just wondering is the extra power to the PCI-E lanes necessary if you are running something like quad 7970s? I am just wondering because the cable looks hideous.
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post #10 of 33
Thread Starter 
Quote:
Originally Posted by xNovax View Post

I am just wondering is the extra power to the PCI-E lanes necessary if you are running something like quad 7970s? I am just wondering because the cable looks hideous.
i would assume because i am running into issues with 2 gtx 680s with heavy overclocking.


Quote:
Originally Posted by Dustin1 View Post

BOOM!
I was gonna get this PSU, but got the HX1050 instead. tongue.gif
8 PCI-E connectors, plenty for a Tri-SLI setup and extra power to your board. Hell, or even Quad with a PCI-E to Molex adapter if need be. wink.gif
oh and yea 11 sata connectors, your kidding right, all for less than what i paid for my coolermast 1200watt gold.
so that is my only option is to get another psu with more pci-e power connectors. By the way u sir are the man that thing is the boss sauce
is there a way i could get a molex to 6pin adapter in the mean time. If so is it safe and effective. I don't really have loads of cash, girlfriend/ christmas.
Edited by upload420 - 12/6/12 at 4:41pm
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