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Busted Power Supply PCI-E cables?

post #1 of 11
Thread Starter 
I got a strange problem with my Computer, well I blame the PSU but on to the problem.

Got this PSU: HX 1000W from Corsair.

When I plug in my PCI-E cables to my GTX 580 and start the computer, everything seem fine and dandy, but when I run a game for about 5 mins the screen goes black and the computer restarts and shows me a blue screen error window when the computer has booted up.

And when I take out the hardwired PCI-E cables from the GTX 580 and attach the 2 other modular ones there is no crash, no reboots and I can run games for hours! even Heaven 2.1 benchmark with 16x AF 8x AA and Extreme tessellation and it runs just fine, passed all test now. And I even ran 3x 10 runs with Metro 2033 benchmark runs. No crash. but if I did that with the hardwired PCI-E cables i got random shutdown in about 3-5 runs. Sometimes it completed but that was rarely.

So what do you guys think? faulty PSU cables? and why is that? Again its a Corsair HX 1000W PSU and I run the 266.58 drivers.
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MegaSNESX Gamer
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post #2 of 11
PSU, perhaps the hardwired ones are overloading a 12v rail?
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Swag box m8
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post #3 of 11
Thread Starter 
That's what I thought, is the PSU defect or is it normal?
MegaSNESX Gamer
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MegaSNESX Gamer
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post #4 of 11
It's to be expected if it's the same rail thats powering your CPU or motherboard, a gtx 580 and an i7 could easily overload a single rail
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Swag box m8
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7 x BL460c
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post #5 of 11
Quote:
Originally Posted by overclocker23578 View Post
It's to be expected if it's the same rail thats powering your CPU or motherboard, a gtx 580 and an i7 could easily overload a single rail
That's a horrible 1000w PSU if the rails were sorted out in that way as you would have no way of fixing it short of adapters. It has to be something else like faulty plugs/wiring. I wouldn't expect that from Corsair, but maybe I'm wrong?
     
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post #6 of 11
I would guess your PCI-E power cable is faulty. It could be a bad solder point inside the PSU, corroded connections between the cable and the connector on the end, or just low-quality wiring. You might want to RMA that unit.
post #7 of 11
Yea, reading the specs on your PSU, its a dual rail. But why in heck would they put the CPU and GPU on the same rail. I would definitely get in contact with Corsair and ask them about your problems. You may have a goofed up PSU. Something just doesnt seem right.
One more reason I prefer multi rail PSUs.
post #8 of 11
Thread Starter 
ok guys thanks for the help, I will call Corsair about this and see what they can do.
MegaSNESX Gamer
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i7 950 @ 4.0ghz ASUS P6X58D Premium GTX 580 Sli Corsair Dominator DHX+ DDR3 1600MHz 6GB 
Hard DriveOSMonitorKeyboard
Corsair Force 3 120GB SSD Windows 7 x64 Ultimate 24" 1920x1080 2ms Monitor Logitech G15 
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Corsair AX850W Thermaltake Level 10 GT Logitech G500 Razer Goliathus 
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MegaSNESX Gamer
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CPUMotherboardGraphicsRAM
i7 950 @ 4.0ghz ASUS P6X58D Premium GTX 580 Sli Corsair Dominator DHX+ DDR3 1600MHz 6GB 
Hard DriveOSMonitorKeyboard
Corsair Force 3 120GB SSD Windows 7 x64 Ultimate 24" 1920x1080 2ms Monitor Logitech G15 
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Corsair AX850W Thermaltake Level 10 GT Logitech G500 Razer Goliathus 
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post #9 of 11
You could try just swapping one of the PCI-e cables for the modular ones... to lower the load on one rail.
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post #10 of 11
One rail has the 24 pin, 8 pin and the two blue connectors closest to the hard cables.
The two hardwired PCI-E cables and the rest of the modular cables are on the other rail.
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