AW17 R1 (Ranger) Fan Mod - Further inquiry

Discussion in 'Alienware 17 and M17x' started by TheReciever, May 18, 2018.

  1. TheReciever

    TheReciever D! For Dragon!

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  2. Raidriar

    Raidriar ლ(ಠ益ಠლ)

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    HWinfo cannot control fans?
     
  3. TheReciever

    TheReciever D! For Dragon!

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    It can control cpu fan but results in the loss of gpu fan until reboot. I guess I can mitigate by cutting gpu fan.

    Would love to know for the future though :)
     
  4. javers

    javers Notebook Enthusiast

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    Hey TheReciever,

    It's normally the blue wire - but of course the m14xr2 wires are all black. From memory its one of the two middle pins. If you use a needle to lift the individual "latch" on the fan connector (one for each pin) you can just slide the pin out of the back of the connector without cutting anything. Then if its the wrong one just push it back in until it clicks and unlatch the other.

    Javers
     
  5. javers

    javers Notebook Enthusiast

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    Going one further - if you wanted to make this automatic could solder an NC temperature switch inline to the pwm wire something like the below at say 65 degrees switch and place it on the back of the cpu heatsink, so under that threshold the fan is under software control, once the threshold is reached the switch will open (effectively disconnecting the pwm wire) and spin the fan up to a true 100% rpm instead of the software max, which isn't 100%

    https://www.ebay.co.uk/itm/NC-KSD97...hermo-Bimetal-Temperature-Switch/322590844642

    Javers
     
  6. TheReciever

    TheReciever D! For Dragon!

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    Interesting, I might give that a try in the future. In the meantime I am just using the compal EC to control CPU fan. It disables the GPU fan but I already cut that wire for now so its a non issue at this point.
     
  7. Striker1234

    Striker1234 Notebook Consultant

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    They are 250V-5A, I don't know if they work with 5V 1A?
     
  8. javers

    javers Notebook Enthusiast

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    I can't be certain as i've not tried the mod myself, but its probably nothing more than a bimetalic switch inside so would work with any voltage / current up to 250V-5A.

    Javers
     
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