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Is my i5 760 weird?

post #1 of 8
Thread Starter 
Im still pushing it and atm im @3360mhz with 1.248vcore - isnt it too much? I monitor it at cpu-z not bios.
After like 5h under prime (wasnt at the pc) i sat at the computer and surfed the web and little things like that and after like 30 minutes it started to crash my web browser and display drivers, they restarted very soon and not long after that it bsod, but i couldnt capture the code, now i set it to not to restart.

I have these results when everything started crashing until bsod.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
FATAL ERROR: Rounding was 0.4870605469, expected less than 0.4
Hardware failure detected, consult stress.txt file.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.

I was at 1.21vtt, and upped it by smallest increment, testing it as we speak.
Edited by Zvejniex - 8/6/12 at 10:10am
 
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post #2 of 8
1.248v Vcore is not too much, the 760 in my folding rig is running at 1.28v, full load 24/7.
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post #3 of 8
Thread Starter 
4ghz @1.28?
Doesnt seem like mine will do the same. Or i might be wrong.
That 1.28 is in cpu-z?
 
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post #4 of 8
Go here:
http://www.resplendence.com/downloads

Download who crashed & copy paste here what it says.

There is more than just the vcore to take in consideration when you overclock. I would use this stress test program:
http://www.xtremesystems.org/forums/showthread.php?201670-LinX-A-simple-Linpack-interface

When you use it, put all the memory available minus 100 MB just to leave some space.

If you passe 3-4 loop, the cpu should be stable enough to run web-browser and such but will randomly crash. I stress for a good 2 & 1/2 hours and it has always been enough for me. Never had any crash since I use this stress test program.
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post #5 of 8
Thread Starter 
There is more than just the vcore to take in consideration when you overclock.
I narrowed it down to only vcore. Perhaps vtt too.
K i will try it.
 
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post #6 of 8
Some Lynnfields need more voltage than others, I once had an i5-750 needing 1.42V for 4GHz.
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post #7 of 8
Quote:
Originally Posted by Zvejniex View Post

4ghz @1.28?
Doesnt seem like mine will do the same. Or i might be wrong.
That 1.28 is in cpu-z?

1.28125v, set in bios
When raising your vcore has no effect, then try raising your IMC (vtt) voltage.
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Holly
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post #8 of 8
Thread Starter 
Dudes...I know + - how to overclock, but i was asking is this phenomenon related to oc/common as i have never bumped in this.
About those display driver crashes and other stuff i told you in the first post.
And that error detective program didnt caught my bsod, but nvm that.. if it happens again ill know whats wrong.

In the first post i said: "I was at 1.21vtt, and upped it by smallest increment, testing it as we speak. "
Seems like the that did the job done, curently @3.7ghz with 1.248 vcore - same as when i had 3.3ghz, seems stable, but im only in the middle of test.
Edited by Zvejniex - 8/7/12 at 4:54am
 
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CPUMotherboardGraphicsRAM
Intel Core 4670k 4.6ghz @ 1.27v Gigabyte Z87-UD3H Nvidia MSI GTX 760 Sli - To be ordered Corsair Vengeance 8gb 1600mhz CL9 Single Channe... 
Hard DriveCoolingOSMonitor
1 TB WD 7200 RPM Hyper Evo 212 Push/Pull Win 8 Pro 64-bit Acer v223w 22 inches 
PowerCase
Corsair TX850 Cooler Master Gladiator 600 
CPUMotherboardGraphicsRAM
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Hard DriveOSMonitor
Samsung 250gb Windows 7 Ultimate 64-bit HP w1907v 19 inches 
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Old rig
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CPUMotherboardGraphicsRAM
Intel Core 4670k 4.6ghz @ 1.27v Gigabyte Z87-UD3H Nvidia MSI GTX 760 Sli - To be ordered Corsair Vengeance 8gb 1600mhz CL9 Single Channe... 
Hard DriveCoolingOSMonitor
1 TB WD 7200 RPM Hyper Evo 212 Push/Pull Win 8 Pro 64-bit Acer v223w 22 inches 
PowerCase
Corsair TX850 Cooler Master Gladiator 600 
CPUMotherboardGraphicsRAM
Intel E1400 945GCM-S2L Intel HD Junk Kingston 1gb 667mhz 
Hard DriveOSMonitor
Samsung 250gb Windows 7 Ultimate 64-bit HP w1907v 19 inches 
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