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When OCing the i5 4670k is it ok to flip the TPU switch on the z87 plus asus mobo plus use the Asus suite program to OC also.

Looking for some info with the TPU settings when overclocking. Title says it all.
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  1. Hi,

    From what I can gather the TPU switch is just an auto-overclocking feature and the software is used for monitoring/overclocking so I don't see a reason why you couldn't use both, however I'd always recommend overclocking in the BIOS manually as it's less risky than overclocking inside the OS and auto overclocking usually sets voltages that are much higher than are actually needed and can sometimes be dangerous.
  2. Thank you for your reply. If I flip the TPU switch it shows its overclocked in the BIOS. I am not to familiar with manually overclocking the BIOS itself but I guess if that switch is flipped then it kind of does it for me automatically.
  3. tfhummel said:
    Thank you for your reply. If I flip the TPU switch it shows its overclocked in the BIOS. I am not to familiar with manually overclocking the BIOS itself but I guess if that switch is flipped then it kind of does it for me automatically.


    Ok yeah so the TPU switch is for auto-overclocking. As I mentioned before auto-overclocking can cause excessive voltages to be used.
    It's obviously upto you whether you keep the auto-overclock or learn how to manually overclock and do it that way.
    If you're happy with the auto-overclock and do decide to keep it then I would just say keep an eye on your CPU's temps under load, I expect that Asus software allows you to monitor the CPU temps.

    If the temps exceed about 72C under load then I'd recommend reducing the overclock/voltage.
  4. With load and running at 4.4ghz my temps don't go above 115 Fahrenheit with liquid cooling. I kind of prefer the asus suite program because when I OC with that it has all my monitors right on it.
  5. tfhummel said:
    With load and running at 4.4ghz my temps don't go above 115 Fahrenheit with liquid cooling. I kind of prefer the asus suite program because when I OC with that it has all my monitors right on it.


    Ah ok well your temps are fine at the moment, although this is an auto-overclock I'd still recommend making sure that the overclock is actually stable.
    To do this you can download a stress testing program like Prime95 or OCCT and run it for atleast 8 hours, these programs are designed to put your CPU under maximum load so make sure you keep monitoring the temps.
  6. Great I will try that. Thank you very much.
  7. tfhummel said:
    Great I will try that. Thank you very much.


    No problem, let us know if you run into any problems.

    :)
  8. Ok. One more thing... Do you know what a safe voltage would be if I'm running at 4.5ghz? I don't want to fry my chip but I want it to be stable. What's the equation to figure the voltage out too?
  9. Ok. One more thing... Do you know what a safe voltage would be if I'm running at 4.5ghz? I don't want to fry my chip but I want it to be stable. What's the equation to figure the voltage out too?
  10. Best answer
    tfhummel said:
    Ok. One more thing... Do you know what a safe voltage would be if I'm running at 4.5ghz? I don't want to fry my chip but I want it to be stable. What's the equation to figure the voltage out too?


    There isn't an equation unfortunately, all chips have different overclocking ability, so some chips may require more voltage than others, or perhaps less...

    I would try 1.3V to start with, do alittle bit of stress testing and if it's ok then lower the voltage slightly (something like 1.290V) and test again, repeat this process until it's unstable and then increase the voltage slightly and test for 8+ hours.

    If it's not stable with 1.3V then try slightly higher, but remember to keep an eye on those temps.

    I wouldn't recommend using over 1.4V for 24/7 use.
  11. Ok Thank you!!!
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