GTX 980 Ti SLI PC Rebooting During gaming.

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nicholasthrupp

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Hi there,
i have been having issues recently (last few months at least) with my PC shutting down/rebooting during gaming.

It will instantly shut off and then restart and go back to my desktop like nothing happened.

It is only playing certain games that this will happen as well, and not necessarily very demanding games either, overwatch is the game it happens on the most, alot of the time shutting down as the game finishes and enters the 'play of the match' clip.

I believe that I have ruled out that this is not an issue of the power supply being to small/being able to handle the demand on it during gaming as my power supply is A 1000w Raidmax and many other reasons below,

overwatch is not very demanding on my graphics cards as I usually play it in 4k locked at 60fps and my two 980 ti's have no problem keeping it locked there.

i have also switched out to 2k resolution and still have this problem.

my graphics cards temp's never get over 70 during gaming, my temp limit is set at 85 in MSI afterburner. (neither are overclocked), CPU temps are also fine and I have also ran intel burn test on this for a while.

I have ran through multiple unigine heaven benchmarks and had no issues at all (still getting the same scores i used to, 4200 or so)

i have had no such issues running the witcher 3 in 4k resolution 50-60FPS (obviously at my cards limit's)

I have disabled my SLI and ran some tests as well and played hours of overwatch in this state and found that I do not get any shutdowns/reboots when SLI is disabled.

I have tried going to the latest possible drivers, and also going to drivers from over a year ago, and doing a clean install each time.

i am yet to try swapping out my cards and running my games/benchmarks on my second card individually to see if its that card at fault.

I am yet to try another SLI bridge to see if that is at fault.

i have not checked the Power draw of my power supply yet either though by the ratings of my system and the 1kW power supply, I should be 100s of watts off my limits.

The graphics cards are identical ASUS Strix 980 Ti

Has anyone had similar issues? i just fInd it strange that I can get through benchmarks and the most demanding games without shutting down but then games like overwatch even in low resolution can cause it to shut down.




SOLVED - 24/05/17 - It seems to have been the 1000W Raidmax PSU causing the issues, have swapped it out with a 1000W Corsair and have been running that for weeks with no crashes.
 
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junkeymonkey

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'' my graphics cards temp's never get over 70 during gaming, my temp limit is set at 85 in MSI afterburner. (neither are overclocked), CPU temps are also fine and I have also ran intel burn test on this for a while.'

what other settings do you do ? any overclocking as well ? may be just a unstable overclocking and its kicking in the cards failsafes ??
 
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nicholasthrupp

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Hi thanks for the reply, neither cards have an overclock on them, only settings I have altered in MSI was the temp limit, and the fan speed curve (ramping up to 100 percent at 80 degrees)
 
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junkeymonkey

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overwatch and like the new csgo wetlands and that Andromeda game seem to have a lot of issues anyway did you check to see any thing on that with any games ?? its not like SLI is so hot a item anymore and NVidia keeps jacking it around and developers don't take too much interest in it as in the past

kinda old but a example

https://us.battle.net/forums/en/overwatch/topic/20744384283

https://us.battle.net/forums/en/overwatch/topic/20745125223

after my last SLI rig I just now call it S-udden L-oss of I-ncome

then you never know if maybe your PSU if failing to deliver full or stable power to the cards at long term full loads anymore ?? that can also cause these issue as you describe

don't se any notes on the game in the latest driver readme

http://us.download.nvidia.com/Windows/381.65/381.65-win10-win8-win7-desktop-release-notes.pdf


have you tried each card one at a time to see if one of the cards has issues ??? [each one in single card use ] ?? if one were to crash or something and the other don't maybe a faulty card ??

maybe run something like this hwinfo64 in the background to see what it may show ?

http://imgur.com/AvRnRgU

http://imgur.com/N4V6t5Q

may catch a bad drop in something at he moment of a crash ?

like her when I used it along with the firestrike stability test

http://imgur.com/BualSW7
 
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nicholasthrupp

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The Power supply is a Raidmax RX-1000AE, I have heard these are not the most reliable, though just last night I ran heaven benchmark for about 2 hours straight when I left the house and came back to it still running fine, with the cards at reasonable temps. If the power supply was randomly crashing my PC I would have expected it to happened in that time?

I have just ran my second 980 ti on its own through a benchmark, and played dying light for about an hour, I will play some overwatch for a few hours to check if it will crash on that, though dying light was a game it crashed on pretty quick in the past.

I have left the second card on the same plugs from the power supply (thought maybe the bus it was on could be the problem, though not too sure on the configuration of power supplies). I plugged it into the main PCIE-express port (closest to CPU). After playing overwatch for a while, I will swap it into the second port (port it was originally in during SLI configuration) to check if it is possibly that port that is the problem.

It looks like my Mobo Bios has newer update I could go to, though it looks like a bit of a process to go through so I may rule out a few other things before I update.
 
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nicholasthrupp

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Yeah It could be just some of the games I am playing are just crap when it comes to SLI, though I have no graphics issues or stuttering like the majority of people were experiencing on that thread, though one guy seemed to have the same problem as me, but it looks like all that was just after the launch? I have also had crashes on Far Cry Primal, Dying Light and Resident Evil 7. Though Primal and Resident Evil 7 were very uncommon.

Check out my reply I to Hang-the-9, Looks like both cards are fine individually.

Just downloaded hwininfo64 and will have a look at that, if I crash, this will still show all the values I had at the time of the crash?

Starting to think I would be better off just selling both my 980 ti's and getting a single 1080 ti, I could sell my 980 ti's for $500-$550 each and the Gigabyte G1 1080 ti is only $1300, would only lose $200-$300 dollars.
 
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junkeymonkey

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vykn

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I'm having the same issue, no BSOD or dump file. As if nothing happened.

Only difference is I'm not running SLI. Did you find a resolution?
 
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junkeymonkey

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may go back to a older driver . for my 980 ti I still to this day use 355.82 . I try out later ones but I come right back to it for my card ???

just because it a newer/ latest driver don't make it a better one , and like one guy said ''seems NVidia can brake as much as they fix in each driver release '' [??? ]

lot of feed back on this latest one ?

https://forums.geforce.com/default/topic/1002635/geforce-drivers/-official-381-65-game-ready-whql-display-driver-feedback-thread-released-4-6-17-/23/
 
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nicholasthrupp

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Yeah and my case filter down by my power supply was filthy, so I gave my pc a massive dust clean out, I thought that had fixed it for a while but then it crashed again.

In saying that, it seems to crash less often now with a clean out, I gamed for 3+ hours last night without crashing.

I have ordered a new power supply, a Corsair RM850X 850W.

So I will swap out the raidmax with that, do some benchmarks, play some games, and if I don't have any crashes for a few days i will assume it was the raidmax power supply
 
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nicholasthrupp

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Thanks I will go back to that driver and see how that goes, i imagine the 980 Ti gets left behind in the new drivers since the 10XX series was released because Nvidia will be more worried about optimizing those new cards.
 
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nicholasthrupp

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Not just yet, its looking like its the crappy raidmax PSU at this stage, have another one on the way so I will post my results from that in a couple of days.

What PSU are you using?
 
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junkeymonkey

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for what I read up on that raidmax I feel it would be suspect when put under a good load for any amount of time

your pretty well down to try a new PSU and see a good solid 850w like a evga g2 unit should do the job but full load pounding a 980ti and then you want to add some overclocking in the mix I say atleast then a 1000W of a solid known build quality unit

overhead/ overkill in a PSU cant hurt you but finding its not enough will

good luck

[ for a single card 980ti I use a seasonic x850 my card can hit 280w at a full load by its self some cards can go a lot higher in full load watts

Board power limit
Target: 260.0 W
Limit: 286.0 W
Adj. Range: -42%, +10%
https://www.techpowerup.com/vgabios/183583/asus-gtx980ti-6144-160226

Board power limit
Target: 300.0 W
Limit: 345.0 W
Adj. Range: -50%, +15%
https://www.techpowerup.com/vgabios/178440/evga-gtx980ti-6144-150922

old zotac is up there

Board power limit
Target: 390.0 W
Limit: 435.0 W
Adj. Range: -74%, +12%
https://www.techpowerup.com/vgabios/176541/zotac-gtx980ti-6144-150917

you figure 2 of them hitting that 400w limit ?? that's for 2 sli cards 67 amps the 12v+ has to hold up to a solid 850w psu is 70 amps so solid build quality 1st tier parts used to build it is key [opinion]

 
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nicholasthrupp

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Talking to the guys I brought the power supply off, if its not big enough I can just send it back and swap it out for the 1000W, even 6 months down the track with no extra cost.

I might have a play around with a chopped up extension lead and my multi meter and see what current my power supply is drawing on the input side, and work out the actual wattage it is using, if i'm close to 850 watts I will send it back and swap it out for the 1000W
 
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junkeymonkey

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thought you said that raidmax you have now is a 1000w ?? 850w should be a good min for that sli set up but a solid 1000w should be run it with ease

''The Power supply is a Raidmax RX-1000AE''


''
Talking to the guys I brought the power supply off, if its not big enough'' I think they mean its to junky and cant hold or do 1000w as advertised overheat and fails under a load ??

like I say if each card like that asus strick is a power limited card at 286 w that 572 w full power load in sli 572w is just 47.6 amps

a 1000w PSU is 83 amps at the 12v+ that's good overhead for the PSu to hold and maintain long term that 47 amps and stay cool so it should never flinch for power as far as the cards

then add in the rest of your system maybe full load 15 amps ??? total off the psu for everything full load power is just about 62 amps stock

a 850w should cover that stock it has 70 amps at the 12v+

now if you were to do some overclocking that's where that 1000w comes in to play cause you then add amps on top of that stock

I think there pulling your leg and its there 1000w unit sucks

 
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nicholasthrupp

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Sorry i was not very clear,

"Talking to the guys I brought the power supply off, if its not big enough I can just send it back and swap it out for the 1000W, even 6 months down the track with no extra cost."

I was talking about the new Corsair 850W power supply I purchased yesterday, not the two year old crappy 1000W raidmax.

Basically saying that if the Corsair 850W I have on the way is not quite/only just big enough, the retailer will let me return the new Corsair 850W and get the 1000W Corsair equivalent for just the difference in price between the two.

This thread seems to think it will be fine with a 850W - http://www.tomshardware.com/answers/id-2778695/850-watt-980-strix-sli.html

But i will do some testing and get the actual input wattage to the power supply in a few different scenarios and post my results.

 
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nicholasthrupp

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This is the one here https://pricespy.co.nz/product.php?p=3330353 Corsair RM850X 850W

I'm from New Zealand so was just going to be buying locally, looks like that 1000W you linked is unavailable for New Zealand.

for $40 NZ more i can swap it out for the 1000W verion https://pricespy.co.nz/product.php?p=3330354 Corsair RM1000X 1000W
 
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nicholasthrupp

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But Likely not much room for overclocking right?
 
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junkeymonkey

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my opinion it is 850w sli rig stock if I were going to oc the cards and my cpu then I would want at least a 1000w I like to have at least 20% overhead

if your banging 65 amps with all that at stock with a 20% overhead that's 13 amps so that's a 78 amp psu 850 is 70 amp [70.8] so you get a 1000w psu that's 83 amps to cover and the more overhead / ''overkill'' you have in the psu the less stress and heat it will do to try to keep up

like you can easy lift 50 pounds for 2 hrs but now your forced to lift 100 so your going to get hot and tired quick and your arms may give out . [crude example ]

you got a 70 amp unit and you crank it up to 68 amps full load for hrs it going to get pretty warm and your running right at its max . if you catch my drift on that

but if you got a asus srtick cards that are the 280w cards or a 325 w card ??? see how that difference in the cards can make as far as what the total amps maybe needed ?

2-280w stock card = 47 amps [46.6]

2-325w cards = 54 amps [54.1]

now do you got a 80w CPU or a 125 w cpu ? 80w =6.6 amps 125w = 10.4 amps

everything adds to the total and little hardware changes can increase or decrease amps needed so you get too small a psu and then you add a power hungry hardware could put you over and your then looking at another new PSU to cover that .

as the say to each his own on whats best I want -0- issue psu and well covers any hardware I decide to use and not have to worry if its going to be good enough , unless I got a junk unit in some way I know the one I bought and use is and I'm covered

if I need 54 amps I stll go with a 750 850 w PSU that 70 amps will hold that easy and never stress or warm up to do so and should all way give me good clean full power at any full load all day long

anyway that's all matter of opinion

a psu is the hart and life blood of your build and everything depends on full clean stable power from it of it tends to fail in some way if not
 
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