Overclock.net › Forums › Intel › Intel CPUs › i5-2500k & P8P67 Pro ~ Time to OC! Help to get 4.2GHz!
New Posts  All Forums:Forum Nav:

i5-2500k & P8P67 Pro ~ Time to OC! Help to get 4.2GHz!

post #1 of 2
Thread Starter 
*note: I know that these type of threads have been beaten to death. However I've yet to find a decent walkthrough (or a short step-by-step) for OC < 4.5GHz.

Anyways like the title says, I think I'm ready to OC this chip since I just recently acquired a 6970 (now I have a reason to play BF3!). The only problem is that I have yet to find an efficient guide/step-by-step list -- most for < 4.5GHz say to just raise the multiplier and be done with it. However I'd like not only get the OC that I want, but also the lowest voltage that my chip can take for that OC. I'd also like speedstep to be enabled, as this system spends the majority of its time working on spreadsheets

To all future posters of this thread: thank you!
post #2 of 2
For 4.2 GHz, it really is just a matter of using a turbo multiplier of 42 in the Ai Tweaker tab in the UEFI (set the Ai Overclock Tuner to Manual).

If you want to get the lowest voltage, then set the multi to 42 and then use a "Manual" voltage and just start at like 1.3V (using a Load-Line Calibration of Ultra High), and then just lower it bit by bit from there until you get instability of some kind.

Then when you get so low that you get instability, raise the voltage back up a little and then stress test it.

When you finally reach rock-solid stability (like 6+ hours Prime95 Blend), you can then switch over to using an Offset Voltage. We'll do that at the very end when you are "done" overclocking this system.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › i5-2500k & P8P67 Pro ~ Time to OC! Help to get 4.2GHz!