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overclocking i5-3570k

post #1 of 5
Thread Starter 
Hello!

I went from AMD to intel and I have no experience with overclocking intel CPUs.
I have bought motherboard ASUS-P8Z77-V LX with UEFI BIOS. Please could you tell me how to proceed while overclocking? When I open CPU-Z and leave system in peace it shows me that CPU is clocked at 1.6GHz (probably power saving mode). I have manually set CPU voltage to 1.4V and max. TDP to 240W, multipler to 46x in UEFI and when I start e.g. Cinebench x64, the frequency raises to 4.6GHz. But in Cinebench or in Windows 7 or in UEFI it shows me that the CPU is clocked at 3.4GHz.

Could you please give me some advices for overclocking,

-how to achieve constant frequency of 4.6GHz,
-what would I have turn on/off in UEFI
-recommend me some voltage for CPU and give me some good advices

Thank you for every useful advices before!
post #2 of 5
If you don't want it downclocking turn off speedstep, although I think your voltage might be a little high, what are you using for cooling?
post #3 of 5
Thread Starter 
I am using Noctua NH D-14. I don't know anything about overclockong of i5 :-)
post #4 of 5
for starters, try just changing the multiplier to 46 and leaving everything else on auto. see how it works out, checking temps/clock behavior etc. that may seem counterintuitive, but bioses are a bit smarter than they used to be.
    
CPUMotherboardGraphicsRAM
3570k@4.5ghz 1.21v Gigabyte Sniper M3 Sapphire 6950 Samsung 8g1866 
Hard DriveHard DriveHard DriveCooling
Samsung 830 Samsung F1 500 Crucial M4 64 (SRC) cpu:Noc NF-F12 / case:4x TY-141/gpu: 2x NB-Multi 
CoolingOSMonitorKeyboard
Venomous X, Accelero TT Win 7 64 Acer X213H Saitek Eclipse 
PowerCaseMouse
Superflower 650 plat Fractal Arc Midi G500 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3570k@4.5ghz 1.21v Gigabyte Sniper M3 Sapphire 6950 Samsung 8g1866 
Hard DriveHard DriveHard DriveCooling
Samsung 830 Samsung F1 500 Crucial M4 64 (SRC) cpu:Noc NF-F12 / case:4x TY-141/gpu: 2x NB-Multi 
CoolingOSMonitorKeyboard
Venomous X, Accelero TT Win 7 64 Acer X213H Saitek Eclipse 
PowerCaseMouse
Superflower 650 plat Fractal Arc Midi G500 
  hide details  
Reply
post #5 of 5
I did what Otterclock said for a 4.5GHz overclock. I ran AIDA64 for 16 hours with no errors. Max temps were 75C - 79C. Voltage was toggling between two values: 1.248v and 1.236v. Everything else was left on "auto".

From here I probably should use this info to play with "fixed" and "offset" voltages to maybe lower voltage which would lower temps but I might be ok where I am now. Not sure; new to this stuff.

[edit] Got home to power up to a BSOD last night. rolleyes.gif Back to the drawing board. I dropped my multi down to 44 and did some BGs in WoW and it seemed good. I might play around with voltages/offset/pll to see if I can get it to run stable at 4.5GHz.
Edited by Rickythedragon - 8/16/12 at 7:05am
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