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[3930k] Experienced overclocker completely stumped

post #1 of 14
Thread Starter 
Hi Guys,

I can't figure this out for the life of me.
My setup:
-3930k overclocked to 4.8Ghz @1.42v (Offset, C1E, C3+C6=OFF)
-Prime 95 Blend stable (12 hours, 90% mem).
-Memtest86+ 6 hours stable
-Load temps under 70c in normal gaming conditions.

I get BSOD 101 in League of Legends (game) once or twice in a 3 hour session, consistently. I have NEVER had problems with a 12 hour blend stable OC on this particular CPU. Or any CPU for that matter.

At 4.5Ghz (1.32v) which was my daily driver OC for 4 months, ZERO problems.

I increased VCCSA, VTT, Lowered memory frequency to 1866 with loose timings, upped memory volts, upped vcore to 1.43v, upped CPU PLL. For the life of me I can't figure this out!
I know bsod 101 is vcore but.... 6 months ago I was using 4.8Ghz @ 1.4v and NOT getting any BSOD's whatsoever. Never stress tested that particular OC but yeah. And I did not benchmark it anywhere over 1.4v, and my daily driver was a measly 1.32v so I highly doubt any degradation took place. Daily temps always stayed under 65c.

Please halp!



    
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SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
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post #2 of 14

Do you have SP1 installed in W7 to enable AVX FFT?

Mugendramon
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Mugendramon
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by youra6 View Post

Do you have SP1 installed in W7 to enable AVX FFT?

Yes SP1 was installed during week of release.
I should mention that I am using LLC on standard with offset at +0.12v to get my load 1.42v.
In Digi control I have all the power settings set to optimized and T.Probe is enabled, to ensure the VRM's are running as cool as possible. I have heard rumord of Power Phase set to Extreme help stabilize OC's on the higher end as per Asus ROG forums. This is about the only thing I have yet to try, although it was not necessary when I ran my 4.8ghz OC previously without problems.
Edited by Scorpion667 - 3/26/13 at 9:45am
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
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SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
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3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
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SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
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post #4 of 14
Whats your LLC at?

Is it just LoL thats being unstable for you? If lowering clock doesnt stablize it - then maybe reinstall or re-validate your LoL files.
post #5 of 14
Thread Starter 
Quote:
Originally Posted by jerrolds View Post

Whats your LLC at?

Is it just LoL thats being unstable for you? If lowering clock doesnt stablize it - then maybe reinstall or re-validate your LoL files.

I edited my previous post, LLC is at Regular. Lowering clock to my daily 4.5Ghz @ 1.32v does stabilize it.
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
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SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
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CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
KeyboardPowerCaseMouse
SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
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post #6 of 14
Other than trying to up LLC a notch or 2 - i dont think your system is 100% stable at 4.8Ghz, i'm sure youre right at the brink though if you like your temps/voltages. Maybe try 4.75Ghz?

I've had systems that did Prime95/IBT for hours, but then would crash on some dumb non-stressful program and the only way to stabilize was to lower the clock a bit. I know 4.8Ghz is a nice round number...but maybe you hit a brick wall smile.gif

Something to think about
post #7 of 14
Thread Starter 
Quote:
Originally Posted by jerrolds View Post

Other than trying to up LLC a notch or 2 - i dont think your system is 100% stable at 4.8Ghz, i'm sure youre right at the brink though if you like your temps/voltages. Maybe try 4.75Ghz?

I've had systems that did Prime95/IBT for hours, but then would crash on some dumb non-stressful program and the only way to stabilize was to lower the clock a bit. I know 4.8Ghz is a nice round number...but maybe you hit a brick wall smile.gif

Something to think about

I will try that however I used my 4.8Ghz OC for about a month (6 months ago) at 1.395v with no issues where as now it's BSOD'ing at 1.43v with nothing being done to degrade the chip whatsoever.

I've done full 3dmark11 runs at 5Ghz before, seriously doubt I hit a wall.
There's probably one damn setting that I am forgetting. Just like when I had to turn off C7 power state which fixed all my BSOD's at 4.5Ghz
Edited by Scorpion667 - 3/26/13 at 11:20am
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
KeyboardPowerCaseMouse
SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
Mouse PadAudioAudioAudio
SS QCK+ Xonar Essence STX AK100 MKII Shure SE846  
AudioAudioOther
Ultrasone Pro 900 Sennheiser HD700 Intel EXPI9301CT NIC 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
KeyboardPowerCaseMouse
SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
Mouse PadAudioAudioAudio
SS QCK+ Xonar Essence STX AK100 MKII Shure SE846  
AudioAudioOther
Ultrasone Pro 900 Sennheiser HD700 Intel EXPI9301CT NIC 
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post #8 of 14
Best program to test for stability is Folding@Home I ran my Core i7 3770k at 4.8Ghz with 1.28v for 24 hours and it passed. Was Folding a WU and it failed in 3 hours, raised the voltage to 1.336v and I can pass multiple Work units.
Edited by WannaBeOCer - 3/26/13 at 11:23am
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by WannaBeOCer View Post

Best program to test for stability is Folding@Home I ran my Core i7 3770k at 4.8Ghz with 1.28v for 24 hours and it passed. Was Folding a WU and it failed in 3 hours, raised the voltage to 1.336v and I can pass multiple Work units.

Gotcha. I'll give it a shot tomorrow. For tonight I'll try upping vcore and setting Power Phase to Extreme to see if that helps.
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
KeyboardPowerCaseMouse
SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
Mouse PadAudioAudioAudio
SS QCK+ Xonar Essence STX AK100 MKII Shure SE846  
AudioAudioOther
Ultrasone Pro 900 Sennheiser HD700 Intel EXPI9301CT NIC 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3930k 4.7 1.368v RIVE BIOS 2105 680L 1330/7011 16GB Samsung 2133Mhz  
Hard DriveCoolingOSMonitor
Crucial M4 240GB  H110 after 4x H220 RMA Win 8.1 64bit XL2420T Lightboost  
KeyboardPowerCaseMouse
SS 6Gv2  EVGA 1300G2  Arc Midi R2 Zowie AM, many opticals 
Mouse PadAudioAudioAudio
SS QCK+ Xonar Essence STX AK100 MKII Shure SE846  
AudioAudioOther
Ultrasone Pro 900 Sennheiser HD700 Intel EXPI9301CT NIC 
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post #10 of 14
More for my own curiosity since I can't offer a lot help here, but how do you have your overclock? bclk vs multiplier... (100*48) or (120*40) or ???
     
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