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Random Crashes and Restarts -- PSU to blame?

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post #1 of 12 (permalink) Old 06-06-2016, 08:36 AM - Thread Starter
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I've been fighting system instability for a couple of months now and have tried a lot of different things, so I'll try to be as specific as possible without going into unnecessary details. If I've left something out, I apologize. I finished this build in March after several months of off-and-on tinkering. I purchased an EVGA SuperNOVA 1200P2 since it was what EVGA's Power Meter tool recommended (not very scientific, I know, but whatever... it seemed like enough).

My system is as follows:
  • i7-5960x
  • 64GB (8x8) DDR4-3000
  • 2x 980ti flashed to MaxAir BIOS (1.25v at load; 350W at 100%; 425W at 121%)
  • Rampage V Extreme
  • 512GB 950 Pro PCIEx4 SSD
  • 2x 1TB 980 EVO SATA SSD
  • 2x 3TB WD Red 5400rpm HDD
  • Asus Essence STX ii Soundcard
  • 2x D5 Pumps
  • 11x Fans (connected to/controlled by an Aquaero 6)
  • EVGA SuperNOVA 1200P2

The first signs of weirdness came when I was filling/bleeding the loop and the power supply would occasionally turn off while jumpered. I didn't think much of it at the time since I was moving the case around a lot to get rid of air bubbles and figured I must have jostled the plug enough to pull it loose.

Once the bleeding/filling process was finished, I struggled mightily to get the system fully stable. I never had any issues getting it to power up, but I couldn't ever escape reliability issues. I could get to a "stable" clock that would run Aida64's stress test overnight without fault, only to have it randomly restart (no blue screen or crash message) while watching Netflix, for example, three days later. The next day it would restart while playing a game, then yet again overnight. Sometimes I could narrow a crash down to a particular process from looking through Windows' reliability history, but most of the time the only thing it showed me was the generic "Windows restarted unexpectedly."

In the past couple of weeks I've noticed the motherboard "dropping" memory. There are no errors, it just will only detect 4, 6, or 7 of the 8 DIMMS I have installed. I spent the better part of the past week tinkering with voltages and settings to try to get all 8 working, but there doesn't seem to be much rhyme or reason to it. All the sticks work individually and in any combination up to 6, but once I go from 6 to 8, sometimes it detects all 8; other times it only detects 6 or 7. The strangest part (to me, anyway) is that the DIMM(s) that it drops can change from one boot to the next. Right now it may not be detecting B1 and B2; I'll reboot and it won't detect B2 and D2; I'll reboot again and it will pick up all 8.

This weekend I finally decided that I needed to suck it up, drain the system, and pull out the CPU to check for bent pens/socket damage. Everything was fine; there was no damage. During the fill/bleed process after re-seating the CPU and putting the loop back together, the PSU shut off a couple of times, just as it had done in March when I filled it the first time. It struck me as more odd this time since I wasn't moving the case around most of the times when it shut down and I'm just more cognizant in general of crashes/power issues with the system. Sometimes I could turn it right back on without any trouble; other times it would either turn right back off or not do anything at all. In those cases it eventually came back on, but only after I let it sit powered down for a few minutes.

After an afternoon of leak testing (and fighting with my PSU), I removed the jumper on the 24-pin connector, plugged it into the mobo, and powered up the system (with everything at stock speeds/voltages). Everything seemed fine at first glance: all the memory was detected, temperatures were notably lower (I screwed up the TIM spread when I first built the system, which gave me about a 10C lateral ΔT across the chip), and it passed a quick 15min Aida64 stress test without any problems. Then it restarted. I got back into Windows, opened up the reliability history, and it just showed "Windows did not properly shut down." 5 minutes later, it restarted again. Got back into Windows, opened Chrome, and it did it again. At that point, I just turned everything off, went to bed, and resolved to find out more today.

TLDR - Could all my issues come down to a faulty power supply? I plugged my components into EVGA's PowerMeter this morning and it suggests either a 1050 or 1200W PSU. However when I plugged all my info into Outer Vision's power supply calculator, it suggests that I need 1548W. The fact that it won't stay on when jumpered tells me there's something not right with it regardless, but is a 1200W Platinum unit simply not strong enough to do what I'm asking it to do?
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post #2 of 12 (permalink) Old 06-06-2016, 08:39 AM
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Why all online PSU calculators are wrong and is total bogus
Forget what all those cappy calculators tell you its not right.

It sounds like your PSU is broken so do you have a digtal multi meter you can test it with or another PSU you can try.

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post #3 of 12 (permalink) Old 06-06-2016, 08:43 AM - Thread Starter
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Quote:
Originally Posted by shilka View Post

Why all online PSU calculators are wrong and is total bogus
Forget what all those cappy calculators tell you its not right.
This is why I went with EVGA's recommendation over the higher one when I first bought my parts. Broadly speaking, though, is 1200W enough to power everything I have attached to it? My gut is saying yes, but the ongoing problems I've had are making me question myself.
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post #4 of 12 (permalink) Old 06-06-2016, 08:47 AM
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Read the edit i made in my last post.
And if you want to find out how much your system draws you should get a kill a watt.

Dreissen
(27 items)
Seravee
(18 items)
CPU
Ryzen 3700x
Motherboard
Asrock x570 Taichi
GPU
MSI RTX 2070 Super Gaming X Trio
RAM
G Skill TridentZ
Hard Drive
Corsair Force MP510 1,92 TB
Hard Drive
Seagate IronWolf Pro ST14000NE0008
Hard Drive
Seagate Ironwolf ST12000VN0007
Hard Drive
Seagate IronWolf Pro ST12000NE0007
Hard Drive
WD Ultrastar DC HC530 14 TB
Hard Drive
Seagate IronWolf Pro ST16000NE000
Power Supply
Seasonic Prime Ultra Titanium 750 watt
Cooling
Noctua NH-U12S Chromax
Case
Phanteks Luxe 2
Operating System
Windows 10 Home 64 bit
Monitor
Asus PG279Q
Monitor
LG 55C8
Keyboard
Corsair Strafe RGB MK.2 with Cherry MX Silent
Mouse
Roccat Kone EMP
Mousepad
HyperX Fury S XL
Audio
Onkyo TX NR646
Audio
RHA L1 Dacamp
Audio
Sennheiser HD 599
Audio
Dali E 12 F
Audio
2x Dali Opticon 1
Audio
2x Dali Opticon 2
Audio
Dali Opticon Vokal
Other
Vegas MBA 60cm LED Strip
CPU
Intel Core I7 6850K
Motherboard
Gigabyte X99 Ultra Gaming
GPU
GTX 1060 3 GB wth blower style cooler
RAM
Kingston HyperX DDR4 Savage 3000 MHz
Hard Drive
Samsung 840 Evo 500 GB
Hard Drive
Samsung 860 Evo 1 TB
Optical Drive
LG CH12NS30
Power Supply
Seasonic Focus GX 650 watt
Cooling
Noctua NH-D15S
Case
Phanteks Enthoo Luxe Tempered Glass
Operating System
Windows 7 Ultimate 64 bit
Operating System
Windows 10 Home 64 bit
Monitor
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Keyboard
Corsair Gaming STRAFE RGB Mechanical
Mouse
Roccat Kone EMP
Mousepad
Roccat Sense Metor
Audio
Sennheiser HD 598
Other
CableMod 30 CM Magnetic Red LED strip
Monitor
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post #5 of 12 (permalink) Old 06-06-2016, 09:37 AM - Thread Starter
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I don't have another PSU handy, but I've been looking for an excuse to get a multimeter for a while now. Guess this is it!
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post #6 of 12 (permalink) Old 06-08-2016, 07:54 AM - Thread Starter
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Just to update -- I tested with a multimeter and the 3.3v rail is all over the place. I have a new unit slated to arrive from Newegg this afternoon, so hopefully things should resolve themselves once I plug that in. If not, I guess it's on to testing the motherboard....
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post #7 of 12 (permalink) Old 06-08-2016, 08:08 AM
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The 3,3v rail is what powers your RAM so if that one is all over it explain why your PC is acting up.
Some motherboards also uses the 3,3v rail for the chipset.

Dreissen
(27 items)
Seravee
(18 items)
CPU
Ryzen 3700x
Motherboard
Asrock x570 Taichi
GPU
MSI RTX 2070 Super Gaming X Trio
RAM
G Skill TridentZ
Hard Drive
Corsair Force MP510 1,92 TB
Hard Drive
Seagate IronWolf Pro ST14000NE0008
Hard Drive
Seagate Ironwolf ST12000VN0007
Hard Drive
Seagate IronWolf Pro ST12000NE0007
Hard Drive
WD Ultrastar DC HC530 14 TB
Hard Drive
Seagate IronWolf Pro ST16000NE000
Power Supply
Seasonic Prime Ultra Titanium 750 watt
Cooling
Noctua NH-U12S Chromax
Case
Phanteks Luxe 2
Operating System
Windows 10 Home 64 bit
Monitor
Asus PG279Q
Monitor
LG 55C8
Keyboard
Corsair Strafe RGB MK.2 with Cherry MX Silent
Mouse
Roccat Kone EMP
Mousepad
HyperX Fury S XL
Audio
Onkyo TX NR646
Audio
RHA L1 Dacamp
Audio
Sennheiser HD 599
Audio
Dali E 12 F
Audio
2x Dali Opticon 1
Audio
2x Dali Opticon 2
Audio
Dali Opticon Vokal
Other
Vegas MBA 60cm LED Strip
CPU
Intel Core I7 6850K
Motherboard
Gigabyte X99 Ultra Gaming
GPU
GTX 1060 3 GB wth blower style cooler
RAM
Kingston HyperX DDR4 Savage 3000 MHz
Hard Drive
Samsung 840 Evo 500 GB
Hard Drive
Samsung 860 Evo 1 TB
Optical Drive
LG CH12NS30
Power Supply
Seasonic Focus GX 650 watt
Cooling
Noctua NH-D15S
Case
Phanteks Enthoo Luxe Tempered Glass
Operating System
Windows 7 Ultimate 64 bit
Operating System
Windows 10 Home 64 bit
Monitor
AOC 24G2U
Keyboard
Corsair Gaming STRAFE RGB Mechanical
Mouse
Roccat Kone EMP
Mousepad
Roccat Sense Metor
Audio
Sennheiser HD 598
Other
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post #8 of 12 (permalink) Old 06-09-2016, 12:41 PM
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Your system could be using close to 1200 but most likely it's something faulty. I pull 1008 watts from the wall with a 5820k and one 980ti. Of course they're both ocd to the max.


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i7 5960x @ 5.2Ghz 1.475v GTX 980ti HYBRID
i7 4930k @ 5.0Ghz 1.51v R9 270X Sapphire TOXIC
FX 6300 @ 5.32Ghz 1.62v HD 6670
G3258 @ 4.9Ghz 1.475v
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post #9 of 12 (permalink) Old 06-09-2016, 12:50 PM
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1008 watts from the wall is not 1008 watts used by the system as you have to take the efficiency off.
The system power draw was probably closer to 900 watts and its less if you have a monitor and/or other stuff on the same outlet.

Dreissen
(27 items)
Seravee
(18 items)
CPU
Ryzen 3700x
Motherboard
Asrock x570 Taichi
GPU
MSI RTX 2070 Super Gaming X Trio
RAM
G Skill TridentZ
Hard Drive
Corsair Force MP510 1,92 TB
Hard Drive
Seagate IronWolf Pro ST14000NE0008
Hard Drive
Seagate Ironwolf ST12000VN0007
Hard Drive
Seagate IronWolf Pro ST12000NE0007
Hard Drive
WD Ultrastar DC HC530 14 TB
Hard Drive
Seagate IronWolf Pro ST16000NE000
Power Supply
Seasonic Prime Ultra Titanium 750 watt
Cooling
Noctua NH-U12S Chromax
Case
Phanteks Luxe 2
Operating System
Windows 10 Home 64 bit
Monitor
Asus PG279Q
Monitor
LG 55C8
Keyboard
Corsair Strafe RGB MK.2 with Cherry MX Silent
Mouse
Roccat Kone EMP
Mousepad
HyperX Fury S XL
Audio
Onkyo TX NR646
Audio
RHA L1 Dacamp
Audio
Sennheiser HD 599
Audio
Dali E 12 F
Audio
2x Dali Opticon 1
Audio
2x Dali Opticon 2
Audio
Dali Opticon Vokal
Other
Vegas MBA 60cm LED Strip
CPU
Intel Core I7 6850K
Motherboard
Gigabyte X99 Ultra Gaming
GPU
GTX 1060 3 GB wth blower style cooler
RAM
Kingston HyperX DDR4 Savage 3000 MHz
Hard Drive
Samsung 840 Evo 500 GB
Hard Drive
Samsung 860 Evo 1 TB
Optical Drive
LG CH12NS30
Power Supply
Seasonic Focus GX 650 watt
Cooling
Noctua NH-D15S
Case
Phanteks Enthoo Luxe Tempered Glass
Operating System
Windows 7 Ultimate 64 bit
Operating System
Windows 10 Home 64 bit
Monitor
AOC 24G2U
Keyboard
Corsair Gaming STRAFE RGB Mechanical
Mouse
Roccat Kone EMP
Mousepad
Roccat Sense Metor
Audio
Sennheiser HD 598
Other
CableMod 30 CM Magnetic Red LED strip
Monitor
LG 24MP59G-P
Mouse
Logitech MX518 Hero
Other
Delock PCI-E to M.2 NVME Adaptor Card
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post #10 of 12 (permalink) Old 06-10-2016, 11:55 AM
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Yep always have to account for efficiency! I was just letting OP know it is possible that he is using close to peak wattage since his rig is essentially twice the "size" of mine.thumb.gif


i7 5960x @ 5.2Ghz 1.475v GTX 980ti HYBRID
i7 4930k @ 5.0Ghz 1.51v R9 270X Sapphire TOXIC
FX 6300 @ 5.32Ghz 1.62v HD 6670
G3258 @ 4.9Ghz 1.475v
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