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X399 Taichi: Which CPU Fan Header |
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kerberos_20 
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Joined: 06 Dec 2017 Location: czech republic Status: Offline Points: 3687 |
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 Topic: X399 Taichi: Which CPU Fan HeaderPosted: 18 Apr 2018 at 4:41pm |
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that 4th pin is for pwm signal, if ure on 3pin, then u can use only DC mode
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scythefwd
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Joined: 05 Apr 2018 Status: Offline Points: 47 |
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Posted: 18 Apr 2018 at 8:48am |
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I'm using the same header for my enermax cooler.. (which I'd recommend over the nzxt , though if your temps are good.. rock on good sir, rock on).
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mjiggidy
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Joined: 05 Apr 2018 Location: Los Angeles, CA Status: Offline Points: 10 |
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Posted: 18 Apr 2018 at 2:49am |
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I have the X399 Taichi with an NZXT X62 AIO liquid cooler. The fan connector for the cooler is three pin.
On the motherboard, I have CPU_FAN1 or CPU_OPT_W_PUMP headers (both 4-pin). Currently, I've connected the fans to the first three pins of the CPU_OPT_W_PUMP header. Is that the thing to do here? Since my AIO fans don't use the 4th control pin, is there any advantage in using this header over CPU_FAN1? In the BIOS, I changed the setting for that header from CPU_OPT to W_PUMP and I heard a speed difference in the fans, but no noticeable difference otherwise. I feel weird not using that CPU_FAN1 header and I'm second guessing myself. Does it even matter?
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