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BDOS i7 4770K overclocked

Hello.
I overclocked my i7 4770k at a ASUS z87-A motherboard.
I bumped it up to 1.4v core voltage and 4.5 mhz.
I stresstest and it dosnt run hot, but suddenly bdos when im not doing anything at computer.
Happen a couple of times now, anyone know whats the reason for this is?
I need to be at 1.4v for it to even boot. can i use more voltage to keep it stable when its not running hot ? :bounce:
4 answers Last reply Best Answer
More about bdos 4770k overclocked
  1. 1.4v to even boot? that sounds awfully high... have you tried pulling back the clocks a bit and see if you can boot your CPU in the 1.2 ish range?
  2. lmaonade200 said:
    1.4v to even boot? that sounds awfully high... have you tried pulling back the clocks a bit and see if you can boot your CPU in the 1.2 ish range?


    At 4.5mhz I need 1.4v.
    I can get 4.0mhz at 1.2v
    and around 1.3v for a stable 4.3mhz.
    But the temprature is not a problem, isnt that main consern for increasing the voltage?

    can downclocking my ram help for a better haswell overclock?
  3. Best answer
    I would spend some more time on Google and in the overclocking section of the forum before you burn up your chip. 1.4V is not a safe voltage for your 22nm 4770K. 1.3V is generally considered the maximum safe voltage for your chip. Temps are not the only thing to consider when increasing voltage. If you're getting BSODs at your current overclock then you've likely reached the maximum overclock for your chip. I would lower your overclock to 4.2GHz - 4.3GHz at under 1.3V and see if you can get it stable there.
  4. what shortstuff said ^

    i was thinking that your overclock might have been unstable because of how high the voltage was going to, but it might just be that 4.3/4.4 ish is the limit of your chip
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