Misterbond
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Got my EVGA GTX 980 SC today, made a clean install of the drivers (344.16) and played Assassins Creeds 3 for about 1 hour and worked flawless. Then I tried do make some benchmarks with Heaven Benchmark 4.0 (using stock clocks). First run was perfect, but when I tried the second run the software started to freeze: black screen > software minimize > software comes back to screen > black screen again > start all over... Now when I try to play Assassins Creeds 3 or TF2 or any other game that is 3D the game crashes (sometime even at the menu), and when it freezes give me the 'driver stopped working and has recovered' message. I noticed that when the Core Clock passes 1250-1300MHz the game crash... so... its a clock problem at STOCK SPEEDS! Tried with 344.11 but the crashing continues. Anyone could help me with that? Thanks!
post edited by Misterbond - 2014/09/27 12:06:35
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class101
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 12:16:27
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Doesn't sound good I would return it
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 12:22:22
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Noticed that after crashing and restarting the SO, Nvidia's driver lock my Core Clock at 999 MAX, that way I can play without problems, but as expected, with fps impact... so... its really a OC issue, but the real problem is that its a STOCK speeds... EVGA Board or Driver problem? Thats the mistery... RMA will be my last option. Thanks!
post edited by Misterbond - 2014/09/27 12:38:10
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rjohnson11
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 12:51:49
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What are your complete system specs please to include make and model of PSU?
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 12:55:39
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Before the 980 I had 2 x 660ti in sli, so I dont think that its the PSU. Here are my specs: Psu: CoolerMaster SilentProM 850w Mother: Sabertooth 990 FX R2.0 CPU: FX-8350 Memory: 12gb DDR3 1600mhz OS: Windows 8.1 Driver: 344.16 I got a video trying to run the heaven benchmark, but i cant send any links since im new at the forum Edit: Heres a print from the video... see those blue fragments? o0
post edited by Misterbond - 2014/09/27 14:09:59
Attached Image(s)
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 14:59:09
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Hi, I tested some more and I noticed something... the core clock of the gpu its passing the BOOST CLOCK and that is probably the reason for the crashings... But, why?? Everything is at stock and defult from manufactury, but look at this picture while trying to play Assassins Creeds 3. Its possible to see that the clock at the time its way higher than the boost clock. Why is this happening? Or Im understending something wrong? 
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mustang76
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 16:44:31
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Misterbond, I have 2 X GTX 980 for a week now, both cards run at 1380 out of the box. I monitor the cards during the games and benches and it seems that if you increase the power limit from 100% ( stock ) to 125% which is maximum the cards are stable at the SC speed stock 1241 /boost clocks 1380. At this speed the cards use up to 121% of the power allocated, no room for more OC but at least they are fine at SC speed.
post edited by mustang76 - 2014/09/27 16:50:39
SILVERSTONE TJ07 ASUS RAMPAGE V EXTREME INTEL i7 5930 (125X32) 4 GHZ NOCTUA NH D15 CORSAIR DOMINATOR 2666 GT 16 GB (4X4) EVGA GTX 980 OC SLI THERMALTAKE TOUGHPOWER XT TPX-1475M 1475W SAMSUNG 850 PRO 256 SAMSUNG 850 PRO 512 CORSAIR SSD PRO 256 G WINDOWS 7 PRO EIZO CG243W LOGITECH G110 LOGITECH G9X
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:29:23
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Hi mustang!
Awesome idea!
I've tried here but... i dont know if the EVGA Precision is really setting something, because I tried to underclock but changing the clock didnt make any diference, so i dont know if the Precision is really changing the power target.
I put the power target up to 125% but no luck, still same thing :(
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astacy12
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:32:48
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Misterbond
Hi mustang!
Awesome idea!
I've tried here but... i dont know if the EVGA Precision is really setting something, because I tried to underclock but changing the clock didnt make any diference, so i dont know if the Precision is really changing the power target.
I put the power target up to 125% but no luck, still same thing :(
Are the clocks changing when you downclock them? Are you hitting apply every time you change something?
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:39:45
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The speedometer arrows doesnt change when I change the values of the core clocks. Yes yes, Im hittin Apply.
post edited by Misterbond - 2014/09/27 17:44:14
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mustang76
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:42:27
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I use afterburner, I set the power limit to 125%. I had a couple crushes before I bumped the power up. I tried precision also but is kind of weird.
post edited by mustang76 - 2014/09/27 18:51:24
SILVERSTONE TJ07 ASUS RAMPAGE V EXTREME INTEL i7 5930 (125X32) 4 GHZ NOCTUA NH D15 CORSAIR DOMINATOR 2666 GT 16 GB (4X4) EVGA GTX 980 OC SLI THERMALTAKE TOUGHPOWER XT TPX-1475M 1475W SAMSUNG 850 PRO 256 SAMSUNG 850 PRO 512 CORSAIR SSD PRO 256 G WINDOWS 7 PRO EIZO CG243W LOGITECH G110 LOGITECH G9X
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:43:10
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mustang76
I use afterburner, I set the power limit to 125%.
I had a couple crushes before I bumped the power up.
Was checking the previous screenshot and... is it normal to my Power Consumption being at 61% while the core clock is at 1392, it shouldnt be way higher, like the 121% that mustang said?
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:52:38
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Tried with MSI but still same results. The game always crash at the exact moment where the GPU goes to 1392MHz... :(
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mustang76
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 17:57:03
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Sorry mate make sure that you type in 125 then hit enter and save, for this setting to take effect.
post edited by mustang76 - 2014/09/27 18:00:41
SILVERSTONE TJ07 ASUS RAMPAGE V EXTREME INTEL i7 5930 (125X32) 4 GHZ NOCTUA NH D15 CORSAIR DOMINATOR 2666 GT 16 GB (4X4) EVGA GTX 980 OC SLI THERMALTAKE TOUGHPOWER XT TPX-1475M 1475W SAMSUNG 850 PRO 256 SAMSUNG 850 PRO 512 CORSAIR SSD PRO 256 G WINDOWS 7 PRO EIZO CG243W LOGITECH G110 LOGITECH G9X
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Misterbond
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 18:36:08
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Thanks for trying to help me Mustang, but nothing works =/ Im gonna send it to RMA after all. Thanks alot for you all!
post edited by Misterbond - 2014/09/27 18:41:12
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gitdat
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/27 19:42:57
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Mine also seem unstable at stock clocks but only when I'm in Surround mode  I made a thread in here about it.
Cooler Master Cosmos II | ASUS X99-Deluxe | Corsair H100i GTX | 5930k @ 4.5GHz | 32GB G.Skill Ripjaws V 3200MHz | SLI GTX 1080's | Samsung 950 Pro NVMe M.2 SSD | Corsair AX1500i | 3DMark Fire Strike Ultra - 10,417 | Windows 10 Pro 64-bit | Nvidia 3D Surround® 3 x BenQ XL2720Z | ASUS PB287Q 4K Auxiliary Monitor
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schoolofmonkey
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/29 22:55:16
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Well bought one today and mine too doesn't get 60seconds before crashing with with a driver stopped responding. A brand new card crashing through Metro Last Light benchmark. Clearly these cards are unstable. Here's the GPU-z read out before it crashed: 
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kdtree
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Re: EVGA GTX 980 SC Unstable at stock
2014/09/29 23:08:41
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