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Major concern regarding my i7-6850k

post #1 of 9
Thread Starter 
So...

I'm pretty damn upset. I've been doing stability testing at 4.0GHz on my i7-6850k, and have slowly been lowering the vcore down from 1.173 to 1.170.

The GF's been hounding me to get to bed earlier, so I can't help but wonder if somehow she distracted me when I set up vcore for overnight stability testing. When I came to check the computer today, it was apparently set at 1.70v and had been running at 100C all night.

Now, when I try to bump the CPU up to 4GHz, even at previously stable tested voltages (1.173 - 1.18) it bluescreens on any real workload.

Is my processor damaged? Is there any going back to where I was before?
Edited by TheInternal - 4/18/17 at 4:50pm
post #2 of 9
looks like you caused the cpu to degrade no getting that back if you did you could reset cmos and start over and see if maybe you need to tweak other voltages more now cant hurt to try now.
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SABERWOLF
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XEON-WOLF
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post #3 of 9
Game over man. Sell it on ebay and get another one.
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post #4 of 9
Thread Starter 
Doing stability testing at 4GHz 1.195v vcore manual setting, currently. BSOD pretty quick at 1.190v vcore. RAM at XMP Profile 1. Up from the 1.173v vcore that seemed stable a day or so ago. Is that utter **** or still decent?

The weird thing... BIOS is auto /optimized defaults for everything else... even lists the CPU at 36 rather than 40... but CPUID reads the chip at 4GHz... I even flashed it to version F4 for my gigabyte phoenix motherboard.
post #5 of 9
my 6800k takes around 1.22 for 4ghz and 1.325 for 4.2ghz, its possable you didnt degrade your chip and it just never was really stable.
SABERWOLF
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SABERWOLF
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XEON-WOLF
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Samsung EVO 850 500 EK-SBAY Dual DDC 3.2 PWM Serial Alphacool NexXxoS ST30 Full Copper Radiator 360 Hardware Labs Black Ice SR2 Multiport Black Car... 
CoolingCoolingOSMonitor
EK-CoolStream RAD XTC 420 koolance 380i Windows 10 Pro ASUS VW246H Black 24" 2ms 
PowerCaseMouseAudio
SeaSonic M12D SS-850 850W  Thermaltake core x71 CM Storm Sentinel Advance II Corsair Void 
CPUMotherboardGraphicsRAM
X5675@4400 1.344 ASUS P6X58D-E XfX RX480 RS F3-12800CL7T-6GBPI 6-7-6-21 1T 
RAMHard DriveHard DriveHard Drive
F3-12800CL9S-4GBRL WDC WD1001FALS-00J7B1 ST31000340AS WDC WD7500AAKS-00RBA0 
Hard DriveOptical DriveCoolingOS
Hitachi HDS723020BLA642 ihas 624-A SilverStone Heligon HE01 windows 10 64 Pro 
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Vizio 42inch lcd tv CORSAIR CMPSU-950TX Modded Rocketfish 
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post #6 of 9
Thread Starter 
Possible... unlikely, but possible. I was doing 12 hr+ boinc run at 1.173v. I can now only do it around (oddly enough) 1.22vcore at 4 GHz now.
post #7 of 9
Quote:
Originally Posted by TheInternal View Post

Possible... unlikely, but possible. I was doing 12 hr+ boinc run at 1.173v. I can now only do it around (oddly enough) 1.22vcore at 4 GHz now.

You could've damaged your CPU but I doubt it.

Your CPU would've turned off before any real problems. When I stress and it hits 95c + it usually turns off if it stays at 99 too long.

I agree with above comment. Try a variety of stress tests, prime95 and OCCT large ffts is what I use for error testing. Small FFT for heat generation.
post #8 of 9
Thread Starter 
The higher temps, honestly, are the main thing I'm bummed about (due to having to up the voltage). I was doing 12 hour runs without breaking 70C two days ago.

Overnight BOINC run had CPU package peak at the stable 1.22vcore 74C. Average core temp seems to be 65-70C. Still a little hotter than I would prefer.
post #9 of 9
I'm not an authority on the matter but I'd be surprised if it isn't damaged from that. Crazy voltage at very high temps... Seems like a recipe for disaster.

I'd imagine running 1.7v even at 70c for a few hours would cause appreciable reduction in lifespan. I don't think it's gonna die on you but I'd just accept that yes, it degraded it.
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