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[Official] Phanteks PH-TC14PE News, Discussion and Owners thread - Page 42

post #411 of 2766
Quote:
Originally Posted by s7j3 View Post

so undervolting seemed to work out but I reverted to original voltages because it's not recommended when using offset voltages. Side note, is there a difference when using the pwm adapter? I have 2 pinouts for cpu fans (one for 3 pin and one for pwm which also can be used as a 3 pin) so either configuration can work. I'm looking for the most optimal cfm if this matters
You should be using 2x Phanteks fans with Y splitter and PWM adaptor on PWM mobo CPU fan socket.
post #412 of 2766
yea the pwm adapter won't do you any good unless its plugged into the 4-pin cpu header.

also was your processor giving you trouble when you turned the volts down a bit? and where did you hear its not recommended just out of curiosity.

If your overclocking, you want the *least* possible amount of voltage for your processor to run smoothly - less volts running to it, the cooler it runs, the longer it lasts.
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post #413 of 2766
@ s7j3
You also need BIOS set for PWM control. thumb.gif
post #414 of 2766
the ivy/sandybridge guide for asrock motherboards. The author said that using a negative offset voltage is not recommended due to the fact that the offset applies to other multipliers when at idle. So instead of .9 volts at idle, a negative offset at -.1 would make it .8 which could cause instability when idling. I might revert back, because I'm pretty sure that my cpu can do 4.4 at 1.15. I don't have the link but I know its on this forum. I'll try using the pwm adapter to see if they give me better cfm when I get the time.
post #415 of 2766
What rpm are the fans running now?
post #416 of 2766
Max rpm should be same either way. PWM ramps down rpm as CPU load goes down.
post #417 of 2766
@doyll
I have them on max, but I'm at work right now so I'll report back to you later today. What should they be running on?
post #418 of 2766
Quote:
Originally Posted by doyll View Post

Max rpm should be same either way. PWM ramps down rpm as CPU load goes down.

If I wanted max cooling, shouldn't I just leave the configuration as is? Or is it negligible since the pwm runs on load percentage?
post #419 of 2766
Quote:
Originally Posted by s7j3 View Post

the ivy/sandybridge guide for asrock motherboards. The author said that using a negative offset voltage is not recommended due to the fact that the offset applies to other multipliers when at idle. So instead of .9 volts at idle, a negative offset at -.1 would make it .8 which could cause instability when idling. I might revert back, because I'm pretty sure that my cpu can do 4.4 at 1.15. I don't have the link but I know its on this forum. I'll try using the pwm adapter to see if they give me better cfm when I get the time.

hmmm interesting. when I get home (and hopefully get my computer up and running) let me give you the settings I am using at 4.4 and you can see how it runs. its at a positive offset right now
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post #420 of 2766
Thanks heres my current config for the cpu i5 3570k 1.23volts 4.4 ghz. I was able to do 4.3 at 1.15 2 weeks ago but reverted it to my current settings.
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