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GTX 580 SLI Surround - Stability Issues

post #1 of 15
Thread Starter 
Hi, I'm new to Overclock.net and wondering if anyone has any advice, or can help me to diagnose the stability issues with my set up.

Some of the info is in my sig, but this is my rig in full (The relevant parts):

Processor: Intel(R) Core(TM) i5 760 OC'd @ 4.0GHz
Memory: 8192MB G-Skill DDR3 1600MHz Ripjaw Memory
Hard Drive: 60GB Corsair Force SSD, 2 x Samsung F3 1TB (RAID 0), 160GB Western Digital
Video Card: 2 x Zotac NVIDIA GeForce GTX 580 SLI
Monitor: 3 x Samsung 2032BW (surround)
Operating System: Windows 7 Ultimate 64-bit
Motherboard: Gigabyte GA-P55A-UD4
Computer Case: Xigmatek Midgard
Power Supply: Arctic Pro 950w

I was running with one GTX 580, for a while, with no issue and my processor at 4 Ghz. However, after installing the second card, I had issues playing graphically demanding games, in surround, for more than 15-20 minutes. Two Worlds II, specifically. As a standard diagnostic step, I reduced the processor down to stock speeds (lower, infact) and this seemed to extend the stability period to around 40-50 minutes.

I've also noticed, in Hardware monitor, that my Primary GPU is idling around 10 degrees higher than before and is reaching much higher temperatures at load. Before SLI+Surround, it never even hit 70 and now it seems to jump there like it's nothing. After about 20 minutes, the max reading on Hardware Monitor was 82 degrees, which should be OK I guess but I can't be sure it didn't get higher, as I cannot monitor it in game (all 3 monitors in use). I've got a case full of fans and my cable management isn't too hectic (I managed to cram a lot into the back). So air flow should be pretty decent.

When I say, Issues, I mean cut outs. The entire thing just blacks out (I lose my save) and reboots from there. From my experience, it seems like all signs are pointing to PSU weakness or High Temps. I'm also going to try taking out some ram chips, as motherboards never seem to like having all their slots filled anyway (4x 2gb right now). I know everyone says that you should never scrimp on the PSU but I couldn't resist. I got away with it, on my last rig and I'm not convinced it's the issue now. I have spare 550W and 750W PSUs, so I could try Dual PSU-ing for further diagnostics, and advice on that would be appreciated because I've heard it can lead to complications.

Anyway, if you read my long ramblings of text, I thank you and I would also like to apologise for not asking any direct questions but advice on my situation, based on experience or otherwise, is very welcome. I will continue to try things myself too and post back with updates.

If there's any other information I can provide which might help, please let me know and thanks, in advance.

P.S. One prevailing concern is my PSU rail set up. Is that likely to be a cause of this? because if so, I'll post my arrangement no problem.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
post #2 of 15
"cut outs just blacks out and reboots from there." can you clarify? i'm not sure what is actually happening here. also, are you overclocking your gpus?
ambalamps
(16 items)
 
  
CPUMotherboardGraphicsRAM
980X X58A-UD3R 2x 7970 12 GB Corsair Dominator 
Hard DriveHard DriveOptical DriveCooling
2x Crucial M4 raid0 2x 2TB HD's samsung x22 dvd h70, lots of megaflows 
OSMonitorKeyboardPower
windows 7 x64 Samsung S27A750D Razer Black Widow Ultimate coolermaster 1KW 
CaseMouseMouse PadAudio
HAF-X Logitech g9x 9hd x-fi titanium hd 
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Reply
ambalamps
(16 items)
 
  
CPUMotherboardGraphicsRAM
980X X58A-UD3R 2x 7970 12 GB Corsair Dominator 
Hard DriveHard DriveOptical DriveCooling
2x Crucial M4 raid0 2x 2TB HD's samsung x22 dvd h70, lots of megaflows 
OSMonitorKeyboardPower
windows 7 x64 Samsung S27A750D Razer Black Widow Ultimate coolermaster 1KW 
CaseMouseMouse PadAudio
HAF-X Logitech g9x 9hd x-fi titanium hd 
  hide details  
Reply
post #3 of 15
Thread Starter 
Yeah, sorry, I wasn't quite sure how to word it. It just powers down, without warning, while I'm playing. Typical of what you'd expect if, say the PSU was too weak or the CPU temp got too high. As if I'd hit the reset button, basically.

And no OC on the GPUs. They're stock, Zotac GTX 580s.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
post #4 of 15
My main guess are PSU or some kind of overheating.

If lowering you OC extended, the overheating can be true. CPU Overheat ?

Try it with the case open.
post #5 of 15
Quote:
Originally Posted by caplust View Post
Yeah, sorry, I wasn't quite sure how to word it. It just powers down, without warning, while I'm playing. Typical of what you'd expect if, say the PSU was too weak or the CPU temp got too high. As if I'd hit the reset button, basically.

And no OC on the GPUs. They're stock, Zotac GTX 580s.
Complete powerdown like this can be CPU/MOBO or PSU related.
post #6 of 15
Thread Starter 
Definitely not a CPU overheat. I'm running an i5 760 at i5 750 clocks (2.66 Ghz) and I haven't seen it go over 52 degrees under load.

Yeah, PSU is what I thought too. I think after I do the RAM, I'll try running Dual GPUs, to test. Have you ever tried Dual GPUing, do you know of any guidance there?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
post #7 of 15
did you make sure you've got the right connectors plugged into to the cards? also, i've no idea what an artic pro psu is but at first glance that strikes me as a lower end psu. if it is that's the first placed i'd look. you always wanna get a decent psu when you're running some high end stuff like this.
ambalamps
(16 items)
 
  
CPUMotherboardGraphicsRAM
980X X58A-UD3R 2x 7970 12 GB Corsair Dominator 
Hard DriveHard DriveOptical DriveCooling
2x Crucial M4 raid0 2x 2TB HD's samsung x22 dvd h70, lots of megaflows 
OSMonitorKeyboardPower
windows 7 x64 Samsung S27A750D Razer Black Widow Ultimate coolermaster 1KW 
CaseMouseMouse PadAudio
HAF-X Logitech g9x 9hd x-fi titanium hd 
  hide details  
Reply
ambalamps
(16 items)
 
  
CPUMotherboardGraphicsRAM
980X X58A-UD3R 2x 7970 12 GB Corsair Dominator 
Hard DriveHard DriveOptical DriveCooling
2x Crucial M4 raid0 2x 2TB HD's samsung x22 dvd h70, lots of megaflows 
OSMonitorKeyboardPower
windows 7 x64 Samsung S27A750D Razer Black Widow Ultimate coolermaster 1KW 
CaseMouseMouse PadAudio
HAF-X Logitech g9x 9hd x-fi titanium hd 
  hide details  
Reply
post #8 of 15
If you look my sig i have a SLI GTX580 oced and watercooled.

But my PSU is a badboy ... i dont know anything about yours ... never saw any ArcticPro PSUs ...

I never had any issue with my SLI/Surround and GTX580s. If you CPU dont go over ~52c, the PSU is the nmext thing to test.

The memory cause BSOD most of the time and not BOOM black screen.
post #9 of 15
Thread Starter 
Yeah, I think you might be right. As I suspected it could be my PSU. I'll try playing around with Rail configurations though because good PSUs are ~£130.

Thanks for the help but now I'll have to get some much-needed sleep.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 Gigabyte GA-P55A-UD4 GTX 580 SLI (x2) 8192MB G-Skill DDR3 1600MHz Ripjaw Memory 
OSMonitorKeyboardPower
Windows 7 Ultimate 64-bit Samsung SM2032BW (x3 Surround) Saitek Eclipse II Arctic Pro 950 
CaseMouseMouse Pad
Xigmatek Midgard Roccat Kone SteelSeries QcK 
  hide details  
Reply
post #10 of 15
I would say 80-90% of the time this is the PSU, I have had this problem in the past. Now there could be 1 of maybe 3 issues with your PSU.

1. The only one correctable without buying a new psu, your PSU has 2 or more independent 12v rails and you need to balance the system so both of your GPUs are not on the same rail.

2. Regardless of placement your 12v rails can not handle as much power as is needed by the 2 580s and you need a new one.

3. Your PSU is failing and needs replaced asap, this is probably not the case because you are running 1 580 just fine.

I would recomend this http://www.corsair.com/products/ax850/default.aspx
Mixed Bag
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 6950X 4600Mhz ASUS Rampage V Edition 10 1080 Ti FE HyperX 12-13-13 @2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 850 EVO Corsair H100i GTX Windows 10 x64 ASUS ROG PG279Q Black 27" 
KeyboardPowerCaseMouse
Corsair K95 RGB EVGA SuperNOVA 1000 P2 Corsair Air 540 Corsair RGB 
Mouse Pad
Some naked Anime with a plump butt 
  hide details  
Reply
Mixed Bag
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 6950X 4600Mhz ASUS Rampage V Edition 10 1080 Ti FE HyperX 12-13-13 @2400Mhz 
Hard DriveCoolingOSMonitor
Samsung 850 EVO Corsair H100i GTX Windows 10 x64 ASUS ROG PG279Q Black 27" 
KeyboardPowerCaseMouse
Corsair K95 RGB EVGA SuperNOVA 1000 P2 Corsair Air 540 Corsair RGB 
Mouse Pad
Some naked Anime with a plump butt 
  hide details  
Reply
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