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  1. #1
    New ROGer Array
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    Jun 2020
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    ROG STRIX Z490-G GAMING (WI-FI) - Fan connections

    Hello,

    I just get a new board ROG STRIX Z490-G GAMING (WI-FI) and there are only 2 connections for the chassi fan (CHA_FAN1 and CHA_FAN2).
    I would like having 4 chassi fans and I'm not using waterpump. Only the CPU fan.

    So for my CPU, I will use the CPU_FAN connection.

    Can I use the other connections such as CPU_OPT and VRM_HS_FAN or even W_PUMP+ for my 2 additional fans?

    Thanks

  2. #2
    ROG Member Array
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    May 2018
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    It might be easier to just use a PWM splitter. Put fans 1+2 on CHA_FAN1, and fans 3+4 on CHA_FAN2.

    As far as CPU_OPT I believe that one mirrors the speeds that CPU_FAN does, no matter what. VRM_HS_FAN is DC only and I believe it is full speed only. W_PUMP+ I believe you can do PWM control on it also if you want to.

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