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GTX 670 SLI crashing/restarting intermittenly

post #1 of 4
Thread Starter 
Hi there guys,

I have just acquired a pair of Asus GTX 670 Direct CU II cards and put them into SLI. But I am getting intermitt crashes (not blue scrren - just a sudden restart) and then when it boots the PC sees only 1 one card. Then I restart the PC and SLI is back until it crashes again. I am watercooling them and Ive checked the temps - they are fine. I have run Furmark for over two hours stressing the cards and all was good. Crashing can be in long or short intervals. I have upgraded from a AMD 6990 which I had no issues with.

Any tips or suggestions??

cheers,

My specs:

Intel 3930K
Asus Rampage IV formula
16GB G Skill F3-17000CL9
Soundblaster Titanium HD Sound Card
Corsair HX 1000W
OCZ Vertex 3 MAXIOPS SSD

Running Windows 7 64
Latest Nvidia drivers 306.97

EDIT: Ok, after more fault finding. I got to a point where the 2nd card would not get recognised at all. Tried running the pc with just that 2nd card - was ok. At the moment I have switched over to GEN 2 from GEN 3 in bios. Running ok so far.....

EDIT 2 : On Gen 2 - was working ok for a while. Now getting RED screen for a second and reboot. Again 2nd card not getting recognised until another reboot. Tempted to reinstall windows....
Edited by telc - 10/18/12 at 12:02am
MyRightNut
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MyRightNut
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post #2 of 4
There's a few things this could be but the first thing that pops to mind is a PSU issue. Are you familiar with the proper cabling scheme with the HX1000 to account for it's unique internal layout? Is the PSU fairly old and well-worn at this point? Because PSU's can degrade over time ... Is any chance you could try using a different PSU in such a way that if it doesn't fix the problem, you aren't out a bunch of money?

Are you running any kind of overclocking, either on GPU or CPU? If so, I would consider removing the OC, just to see if that fixes the issue.
    
CPUMotherboardGraphicsRAM
xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
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hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
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asus vw266h 25.5" (1920x1200) abs sl (enermax revolution) * single 70A rail 850w silverstone rv-03 XFi Titanium 
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CPUMotherboardGraphicsRAM
xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
MonitorPowerCaseAudio
asus vw266h 25.5" (1920x1200) abs sl (enermax revolution) * single 70A rail 850w silverstone rv-03 XFi Titanium 
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post #3 of 4
Thread Starter 
Hi, thanks for the reply. No, Im not aware of the Corsair cabling style. Psu is about 3 years old. I was running a 6990 before this and never had a issue. I am not overclocking at the moment. I have removed all monitoring software - AIDA/MSI afterburner. With all the installing and uninstalling of drivers and trying cards on their own I did notice that the 2nd card that appears and disappears had a "error" beside it in device manager and sometimes even fails to get installed as a "standard VGA adaptor". Could the actual card be faulty?? Guess I'll try to run it on its own for a longer time. Dont think I'll be able to borrow a PSU to further fault find.

cheers,
MyRightNut
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CPUMotherboardGraphicsRAM
5960X Asus Rampage V 2 X MSI 980 Ti Lightning 16GB 
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MyRightNut
(13 items)
 
  
CPUMotherboardGraphicsRAM
5960X Asus Rampage V 2 X MSI 980 Ti Lightning 16GB 
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corsair 1200i Caselabs Magnum TH10A 
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post #4 of 4
Thread Starter 
After further fault finding.... Ive tried the 2nd card (that does not get detected after a crash). Game ran for a about 5min - crash. Tried the other card on its own. 20 min - no probs. 2nd card is in slot 3 and card 1 in slot 1. Is it safe to say that the cad is faulty and start a RMA or shall I swap the cards over in the slots. Bit of a pain in the ass since they are watercooled.

cheers,
MyRightNut
(13 items)
 
  
CPUMotherboardGraphicsRAM
5960X Asus Rampage V 2 X MSI 980 Ti Lightning 16GB 
PowerCase
corsair 1200i Caselabs Magnum TH10A 
  hide details  
Reply
MyRightNut
(13 items)
 
  
CPUMotherboardGraphicsRAM
5960X Asus Rampage V 2 X MSI 980 Ti Lightning 16GB 
PowerCase
corsair 1200i Caselabs Magnum TH10A 
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Reply
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