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2-way SLI 980

shert73
By shert73
in Power Supplies
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Go to solution Solved by shert73,

Got it figured out, there was a short in the power button on the case. Took it out and soldered it up. Everything's good :-) :-)

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Think im having PSU problem. Running SLI 980 2-way and an aplhacool p655 D5 pump. Keep getting a forced reboot (no BSOD). Thinking that my 850W G2 (EVGA) is not supplying enough oomph to power it all. Not sure tho. Ive troubleshot everything and this is all I can think. Also running 2 CCFL UV bulbs, If that matters. And the 980s are on air but will b putting them on water.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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i guess coad be the loop or your mob doesn't support sli

Board does support SLI. What do you man by loop doesn't support SLI?

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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PSU is good, I have the same PSU, could be an instability somewhere else in the system.

Go into your BIOS and reset everything, click on "Load optimized defaults" and then save and exit.

Then go back to the BIOS and enable XMP, and configure your bios as you like it.

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PSU is good, I have the same PSU, could be an instability somewhere else in the system.

Go into your BIOS and reset everything, click on "Load optimized defaults" and then save and exit.

Then go back to the BIOS and enable XMP, and configure your bios as you like it.

Ive tried everything cmos clear, re install windows and all drivers. DIMMs are good temps are good mobo us set right. Everything works fine for a few hours than bam re boot no bsod no codes but the power kernel cause of the unexpected power loss.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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Ive tried everything cmos clear, re install windows and all drivers. DIMMs are good temps are good mobo us set right. Everything works fine for a few hours than bam re boot no bsod no codes but the power kernel cause of the unexpected power loss.

Hmm, I really don't know what it is because I have never experienced something like that, sorry I can't help you :/

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Its okay, thank you for trying :-)

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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Can you boot with just one 980 in?

CPU: i7-4790K --- HEATSINK: NZXT Kraken X61 --- MOBO: Asus Z97-A --- GPU: GTX 970 Strix --- RAM: 16GB ADATA XPG --- SSD: 512GB MX100 | 256GB BX200 HDD: 1TB WD Black --- PSU: EVGA SuperNova G2 --- CASE: NZXT H440 --- DISPLAY: 3 x Dell U2414H --- KEYBOARD: Pok3r (Clears) --- MOUSE: Logitech G Pro --- OS: Windows 10

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Can you boot with just one 980 in?

I'm going to try when I get off work. Its just hard to tell cause it will run for hours and hours before it sits off.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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Have you tried different slots if that's an option?

Updating all bios's

Are the cards a matched pair?

Workstation:
Intel Core i7 5820k @ 4.4Ghz, Asus Rampage V Extreme, 32Gb G.Skill Ripjaws 4 2400 DDR4,2 x Nvidia 980 Gtx Reference Cards in Sli,
1TB - 4 x 250Gb Samsung Evo 840 Raid 0, Corsair AX1200i, Lian Li PC-D600 Silver.

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Have you tried different slots if that's an option?

Updating all bios's

Are the cards a matched pair?

Yes bios updated, cards are both EVGA 980 SC, and I have not tried putting a card in the 3rd slot, dont have an SLI bridge that would fit that configuration.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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I think It may actually be your PSU I had 2 780ti 4790k 2 d5 pumps etc on a 800w PSU. 2 hrs of gaming then bam unexpected shutdown

I changed my PSU for a corsair HX1000i and it fixed all my problems.

But your cards are maxwell So they use less power, difficult to say

Hope this helps

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I think It may actually be your PSU I had 2 780ti 4790k 2 d5 pumps etc on a 800w PSU. 2 hrs of gaming then bam unexpected shutdown

I changed my PSU for a corsair HX1000i and it fixed all my problems.

But your cards are maxwell So they use less power, difficult to say

Hope this helps

Thanks for the input, I'll pull a card when I get home. If it runs for 24 hours than ill buy a sea sonic or evga 1200.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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I got the, windows didnt shut down properly, boot in safe mode or start windows normally.

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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Got it figured out, there was a short in the power button on the case. Took it out and soldered it up. Everything's good :-) :-)

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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Well that Saved you a bit of money aye :)

Still think ill upgarde when I put them on water

<p>CPU: Intel i7 4790k(4.9GHz), Motherboard: ASUS sabertooth Z97 Mark 1 RAM: Corsair Dominator Platinum 16GB (2 x 8GB) GPU: EVGA GeForce GTX 980 4GB Superclocked ACX 2.0 (2 way SLI) PSU: EVGA 850w G2 Storage: Intel 730 Series 240GB 2.5" SSD, Western Digital Caviar Black 1TB Case: NZXT H440 Designed by Razer, EK,Alphacool,Bitspower custom loop.

“Peace cannot be kept by force. It can only be achieved by understanding.”

Albert Einstein 14 December 1930

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