p870tm 2nd CPU fan port!

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

  1. Encryptonite

    Encryptonite Notebook Enthusiast

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  2. jc_denton

    jc_denton Notebook Evangelist

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    So the 4th header on the p870tm1 has actual power running trough it, and will power a 5v fan. However, the fan has to be correctly rewired, as the 4-pin header on the mobo does not use the standart pinout as pointed out earlier in the thread.

    If you plug a standart 4-pin fan to it without rewiring you might blow you mobo as some people have in the past.
    Here's a good thread to read up on it.

    @aarpcard used a Delta BSB05505HP-SM 5v fan. I went with a slightly thinner Sepa HY60Q05AP 5v.
    Delta fan is ~8-10mm thick depending on where you measure it, while the Sepa fan is 5mm.

    You want to leave pins 2 & 3 unterminated, only using pin 1 and 4 to power the fan (+5v and ground).

    This will make the fan run 100% always.
     
  3. Meaker@Sager

    Meaker@Sager Company Representative

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    I would advise not getting a whiny fan.
     
  4. jc_denton

    jc_denton Notebook Evangelist

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    You wont notice that with fn+1 anyway. :p
     
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  5. Encryptonite

    Encryptonite Notebook Enthusiast

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  6. Meaker@Sager

    Meaker@Sager Company Representative

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    Different frequency of noise, you will probably notice it quite a bit as a discordant tone.
     
  7. jc_denton

    jc_denton Notebook Evangelist

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    Last edited: Sep 16, 2019 at 5:53 PM
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  8. Meaker@Sager

    Meaker@Sager Company Representative

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    Extra height would also he wasted ad the fon stack is only so high.
     
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