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Re: Z400 workstation & X5690 - motherboard fans - principle of working PWM - temperatures - sen

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Hello. 

 

As You nicely called that my 'Noctua plan'  must work -  I invested some money in that and I will make it working well. As You said HP coling strategy is unknown and thus I'm making some reverse engineering. I believe Noctuas will fit.  Reason: there is still that option in BIOS to 'add' fiixed value to PWM. So if I find fans working too slow,  I can boost them.  At the moment I have cheap Arctic fans,  which have very bad PWM curve,  if you look on their website.  I mean when PWM changes from 50 to 100%,  fan itself changes speed from 1000 to 1300 RPM.  I'm unhappy to see fans working almost at full speed,  what is in my case.   

 

Soon I will post photos,  also I will use ice to cool down ambient sensor, as I want to see how low PWM can be on this motherboard.  And in final,  I want cooling system to be reactive,  so when load/temperature grows,  it speeds up.  And vice versa. 

 

Your chipset fan goes full speed because You don't have frontal fan connected.  Once you connect anything,  chipset fan will slow down significantly. Just chceck it. 

 

Do You know any official/dedicated HP tools to show temp/RPM/etc in Windows?  So far I have been also using HWinfo,  which shows values,  however with incorrect names.  

 

Regards, 

matroX 

 

 

I want to know your opinion.  How do You think will be the best? 

 

I have in ma case place for 4 fans: one rear,  one front,  two up.  So far my philisophy was : frontal blows into the case,  rear blows outside case, both  upper blow outside case.  

Upper fans i thought 


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