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need help with overclocking 2500k/extreme3 gen3

post #1 of 8
Thread Starter 
I've can't seem to overclock this chip and for some reason I am unable to turn off Intel Turbo Boost in UEFI. I have quite a few pics showing current settings and maybe one of them is not correct and is preventing overclock.
Here it goes:

Intel Extreme Tuning




Under Prime95



(this was taken at a different time test, thus the discrepancies from Intel Extreme Tuning)

UEFI settings












I have an H60 attached to the CPU so a 4.2GHz-4.4GHz should be attainable without sweat.

So what settings should I change?
PS. the "Max Non Turbo Boost Ratio" in Intel Tuning is greyed out, and the "Max Turbo Boost Ratio" was defaulted at 33, but I changed it to 37, even though it doesn't seem to do anything. Also I disabled the "Turbo Boost Short Power Max Enable".
Corsair Lagoon
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CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
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ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
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Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
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Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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post #2 of 8
Reset the BIOS optimized defaults, and then change the CPU Ratio All Core setting to 42 or 44. You can leave everything else on Auto for now. Boot up and check the volts and temps with the Auto voltage and see what it is. If they are decent you can just let it be. If they are too high (above 1.35V or 80C or so) you can go back in the BIOS and set up an offset voltage instead. But don't turn off turbo, because that's how the multiplier overclocking works.

You can also check out this ASRock overclocking thread:
http://www.overclock.net/t/1198504/complete-overclocking-guide-sandy-bridge-ivy-bridge-asrock-edition/0_20
post #3 of 8
Thread Starter 
I reset UEFI defaults and changed only storage from IDE to AHCI and all core from 33 to 42. Then ran Prime95 and it showed 4.19GHz in IET for about 30 seconds, and 55ish core temps, didnt open up cpu-z yet to check voltage, but then after those 30 seconds it changed back to 3.29 GHz, temps dropped to 45ish for the cores and voltage in cpu-z at 1.120-1.128
It didnt show anything at CPU Throttling, stayed at 0%.

Is it a bad chip? (as in can't be overclocked?, otherwise it woks fine as a 2500k at 3.3)
Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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post #4 of 8
Sounds like it may have power throttled. Try increasing the CPU Power Limit or CPU Current Limit settings (not sure what they are called in your board).
post #5 of 8
Thread Starter 
I've got it to sit at 4.20GHz by changing short/long duration to 230/200, disabled speedstep and speed spectrum, and changed the CPU load line calibration to level 2 from auto. However, it seems now my RAM runs at 1333 instead of the previous 1600. and i didnt touch anything in bios concerning the ram

Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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post #6 of 8
Thread Starter 
Oops, the ram was at 1333 after default reset, but i changed back to 1600 and seems to work now. so 4.2ghz at 68~ C after 20 min, no spikes, everything seems stable. However with the H60, shouldn't that be a little lower? I imagined a 4.6Ghz would go about 70C, but right now its at 4.2ghz and 68. should I up the voltage a bit?
Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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Reply
Corsair Lagoon
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 2500k 4.6GHz ASRock Z68 Extreme3 Gen3  EVGA GTX 680 SuperClocked 2GB +25,+295 Corsair Vengaence 16GB (4x4GB) 1600 8-8-8-24 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB Hitachi Desktar 750GB 7200RPM Corsair H60 Windows 7 64-bit Professional 
MonitorKeyboardPowerCase
ASUS VE278Q 27" 1080P LED LCD  Razer Arctosa Corsair HX750 Corsair Graphite 600T Black (w/ window upgrade) 
MouseAudioOther
Razer Deathadder 3.5 Asus Xonar DG 5.1, Audiotechnica AD700 Custom White LED 12V 
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Reply
post #7 of 8
That's not an unreasonable temp, but it does depend on the voltage. What's your load voltage now? And you can turn speedstep back on, it shouldn't affect the overclock.

The H60 is on par with midrange air, so you aren't going to get phenomenal temps with it.
Edited by Forceman - 2/3/13 at 2:44pm
post #8 of 8
Ya it depends on volts. I have a 2500k with a hyper 212+ cooler and on stock volts (1.296 load) at 4.4 my temps never go over 58-60c.
Steve
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HTPC
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AMD Ryzen 7 1700 3.9@1.376v Asrock Killer x370 SLI/AC EVGA GTX 1060 SSC 6gb Gskill ripjaws 3200/2933 14-16-16-36 
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Seagate firecuda 1tb Be Quiet! Dark Rock Pro 3 Dell S2417DG EVGA 650 GQ 
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NZXT H440 Matte Black 
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Intel Pentium G4560 Asrock H110M-ITX PNY GT 1030 4GB Team Dark 2400  
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Steve
(9 items)
 
HTPC
(9 items)
 
 
CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700 3.9@1.376v Asrock Killer x370 SLI/AC EVGA GTX 1060 SSC 6gb Gskill ripjaws 3200/2933 14-16-16-36 
Hard DriveCoolingMonitorPower
Seagate firecuda 1tb Be Quiet! Dark Rock Pro 3 Dell S2417DG EVGA 650 GQ 
Case
NZXT H440 Matte Black 
CPUMotherboardGraphicsRAM
Intel Pentium G4560 Asrock H110M-ITX PNY GT 1030 4GB Team Dark 2400  
Hard DriveMonitorKeyboardCase
PNY CS900 240gb SSD Vizio Smartcast E55 Logitech K400 Inwin BP655.300 
Audio
Vizio 3.1 Soundbar 
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