p870tm 2nd CPU fan port!

Discussion in 'Sager and Clevo' started by tanzmeister, Jan 9, 2018.

  1. bennyg

    bennyg Notebook Virtuoso

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    So it spins? Constantly or up and down with the main CPU fan?

    DIY mods step 1... reach for the cable ties.
     
  2. JCordero31

    JCordero31 Notebook Consultant

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    Like a turbine all the time i removed it
     
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  3. Meaker@Sager

    Meaker@Sager Company Representative

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    Maybe as a compromise use a variable resistor to find the right value and mod it to something reasonable.
     
  4. ole!!!

    ole!!! Notebook Prophet

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    donno if EC controls it or what not i'd treat that fan as disposable and have it run at all time. feels pretty weak tbh, could be because no lid so less air pressure. gonna make a lid for it which will also help mount to circled screw holes. double circle = screw grip can put a thin screw and mount it. single circle its used by the bottom cover so already has a screw, just need something that has a circle and held in place by it.

    ps. after putting on bottom cover theres actually quite a bit more space, i dare say a 8mm fan would fit. will purchase 8mm fan and try next.

    20180209_021027.jpg
     
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  5. Papusan

    Papusan JOKEBOOK's Sucks! Dont waste your $$$ on FILTHY

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    I'm ready for my next BGA-KILLER with 4 fans:D Maybe we will see GeForce GTX 2080 before the summer. But I want the full package.... 4 fans, 8 core i7 and 2080 Sli →→→ My BGA-Killer from 2015 will finally get a brother:)
     
  6. Meaker@Sager

    Meaker@Sager Company Representative

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    A lid is needed for a blower fan certainly. In that config most of it is just spun in 360 degrees out.
     
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  7. poprostujakub

    poprostujakub Notebook Consultant

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    Do you connected fourth (probably blue) wire to connector? This is speed control for this fan.
     
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  8. ole!!!

    ole!!! Notebook Prophet

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    im more interested in single 2080 and z390 for possible PCH onboard wifi/bluetooth. if ipex connector is even built in along with PCH then i can use the wifi A+E slot for something else.

    single 2080, 8 core, 4 fans, and lots of storage mods.
     
  9. bennyg

    bennyg Notebook Virtuoso

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    What about splicing in PWM from primary CPU fan connector?

    FWIU, PWM is a pretty standard electrical signal that wouldn't be affected by splitting the wire into two?
     
  10. ole!!!

    ole!!! Notebook Prophet

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    i could try that, just have to figure out which color is the right one, blue/yellow for this HP fan. also even if i figured out the correct one how would i be able to test it to verify if i got the right one or not, FN+1?

    currently with just GRND and 5v, in gaming its around 3-4 degree cooler, but the constant noise
     
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