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i5 2500K, P8P67. First time overclocker.

post #1 of 16
Thread Starter 
So I have gotten my Sandy Bridge build (see system sig) up to 4.6ghz. This is my first overclock venture. I tried for 4.7 and hit a BSOD. Here's what happened:

4.5ghz, easy BCLK 100 x45 -Voltages auto set by Digi+VRM

4.6ghz again BCLK 100 x46 -adjusted Vcore to 1.34

I'd like to try and hit 4.7 on air cooling (Hyper 212+). I went in, adjusted Vcore to 1.345 and BSOD'd at Windows start. Restarted and went to 1.350, and BSOD'd quickly after login. 1.355 got me logged in and into Prime95 for testing but quickly BSOD'd. So before I go farther, I'd like to ask for some advice. For those who are using the P8P67 boards, here are my current settings:

BCLK Frequency: 100.0
Multiplier: 46
Internal PLL Overvoltage: Enabled
Memory Frequency: DDR3-1600MHz
EPU Power Saving Mode: Disabled

----DIGI+ VRM Settings----
Load-line Calibration: Ultra High
VRM Frequency: Auto
Phase Control: Extreme
Duty Control: Extreme
CPU Current Capability: 110%

CPU Voltage: 1.340
DRAM/ VCCSA/ VCCIO/ CPU PLL/ PCH Voltage: Auto
CPU Spread Spectrum: Auto

Memory timings: 7-8-7-24

All components are in my system sig. My CPU temps were around 60-63ºC at 4.6 full load, ambient was 30ºC constant

Any help would be greatly appreciated. If you see anything I have done wrong let me know too. I let it fold overnight at full load @ 4.6ghz and it didn't go a degree above 60ºC

     
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post #2 of 16
Thread Starter 
bump
any takers?
     
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post #3 of 16
BCLK Frequency: 100.0
Multiplier: 47
Internal PLL Overvoltage: Enabled
Memory Frequency: DDR3-1600MHz
EPU Power Saving Mode: Disabled

----DIGI+ VRM Settings----
Load-line Calibration: Ultra High
VRM Frequency: Manual (350)
Phase Control: Extreme
Duty Control: Extreme
CPU Current Capability: 120%

CPU Voltage: 1.340
VCCIO - 1.1 Could help Stability
CPU PLL - 1.75v
CPU Spread Spectrum - Disabled

Try that with the small changes made above, if it still bsods then bump vcore up to next one (1.345).

EDIT: btw not necessary to bump thread only after 53mintues
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post #4 of 16
Thread Starter 
Thanks for the reply, munaim1
Look for post EDIT in a few minutes, i'll tell you if it works
     
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post #5 of 16
Are those timings stock for your RAM?
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post #6 of 16
Quote:
Originally Posted by Kaosuonline View Post
Thanks for the reply, munaim1
Look for post EDIT in a few minutes, i'll tell you if it works
Btw those changes I recommended above should be changed one at a time, don't change all of them at once or else your not going to know which setting is helping and which is not.


Quote:
Originally Posted by Goaky View Post
Are those timings stock for your RAM?
I think it maybe, I have the same ram is him I think. Stock is 1.5v 7-8-7-24 2T. I overclocked mine to 1866 8-9-8-24 1T 1.61v
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #7 of 16
Thread Starter 
Quote:
Originally Posted by Goaky View Post
Are those timings stock for your RAM?
I believe so, If I go into DRAM Timing Control, they are all like that on AUTO
     
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post #8 of 16
those are good temp for ur oc
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post #9 of 16
Thread Starter 
Thanks munaim1, I've gotten into Prime and started a test without it BSODing, one by one, it took all the settings to get it to boot (the final change was going from 1.355 to 1.360). Can .005 volts really be the difference between not being able to load windows and running Prime Blend @ full load?

Prime has been running for 15 minutes so far. Looks like Vcore is staying around 1.368 @ 4.7ghz
Temps so far during the test: min: 60ºC, Max 70ºC, it's bouncing around those numbers.

Thanks fatmario for the comment first time applying TIM/seating a CPU cooler. Must have done alright!

How long do you think I should let Prime run?
     
CPUMotherboardGraphicsRAM
Intel Pentium G2020 Ivy Bridge 2.9GHz ASRock H61M-DGS Integrated Intel HD Graphics (Don't Laugh!) G.SKILL Ripjaws Series 4GB (2 x 2GB) 
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Samsung P3 500GB 7200RPM LITE-ON DVD Burner Intel Stock CPU Cooler Windows 7 Home Premium 
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CPUMotherboardGraphicsRAM
Intel Pentium G2020 Ivy Bridge 2.9GHz ASRock H61M-DGS Integrated Intel HD Graphics (Don't Laugh!) G.SKILL Ripjaws Series 4GB (2 x 2GB) 
Hard DriveOptical DriveCoolingOS
Samsung P3 500GB 7200RPM LITE-ON DVD Burner Intel Stock CPU Cooler Windows 7 Home Premium 
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post #10 of 16
Quote:
Originally Posted by Kaosuonline View Post
How long do you think I should let Prime run?
one question before I answer yours, what do you consider stable?

EDIT: sorry my answer would be 15/20mins between overclocks. 24/7 stable is something else
Edited by munaim1 - 4/23/11 at 4:39am
it looks alive
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CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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it looks alive
(17 items)
 
Sandy Transformed
(69 photos)
 
CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
  hide details  
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