p870tm 2nd CPU fan port!

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

  1. Meaker@Sager

    Meaker@Sager Company Representative

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    Adding a smaller fan you are unlikely to see a noise reduction.
     
  2. ole!!!

    ole!!! Notebook Prophet

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    just have to put up with it. tbh right now the 2nd gpu fan is quite loud even though theres nothing its cooling other than internal hardware like ssd/mobo. cpu is very quiet, i wish i could up it a bit so my regular usage temp doesnt spike to 79/80c, basically doesnt seem to fan start to spin until like high 70c or at 80c, the software ccc simply wont work on server OS..which is literally just windows 8.1
     
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  3. ole!!!

    ole!!! Notebook Prophet

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    hope the added fan will lower those by 3-4c.. fingers crossed. fan should arrive in a few days, 42*50*5mm type, only 3.3v and 0.35A. just purchased other fans 6mm/7mm types .5v and .5Amps and will compare difference.

    below is 24/7 4.9ghz on default fan profile by clevo, auto fan profile.

    temps.jpg
     
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  4. poprostujakub

    poprostujakub Notebook Consultant

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    3.3V fan will burn, conecctor is for 5V fans...
     
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  5. Meaker@Sager

    Meaker@Sager Company Representative

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    Yeah that's huge over drive on it.
     
  6. poprostujakub

    poprostujakub Notebook Consultant

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    Clevo fans I tested have voltage protection set to 6V. On this voltage level fan enters "hiccup" mode.
    6V supply for 5V fan is 20% overdrive. For 3,3V fan this will be 3,95V max.
     
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  7. thegh0sts

    thegh0sts Notebook Nobel Laureate

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    so you would need a 6v fan?
     
  8. poprostujakub

    poprostujakub Notebook Consultant

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    No, just 3,3V fan isn't good choice. Standard, 5V, 4-wire fan, like in Lonovo's, will work fine (of course, if this fan output is enabled in EC).
     
  9. Jon Webb

    Jon Webb Notebook Evangelist

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    Has anyone got the 2nd fan going yet?
     
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  10. JCordero31

    JCordero31 Notebook Geek

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    I purchased one from lenovo it works but how to get it to sit no go.
     
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