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Mr E
Sep 18, 2007

Thank you very much! Your post's totally hot!



I just got a NZXT H440, and it came with a PWM fan hub. I didn't want my CPU fan and the chassis fan to use the same curve, so I plugged the CPU fan to the normal CPU fan connector on my ASROCK Extrme 4 Z370, and the PWM connector to a Chassis fan connector. The fans are running fine in the case, but I can't change the curve for them thru the bios. Am I doing something wrong here, or is that not possible without a seperate fan controller? I can change the CPU fan curve fine, it just has the chassis fan options grayed out.

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Mark Larson
Dec 27, 2003

Interesting...

Mr E posted:

I just got a NZXT H440, and it came with a PWM fan hub. I didn't want my CPU fan and the chassis fan to use the same curve, so I plugged the CPU fan to the normal CPU fan connector on my ASROCK Extrme 4 Z370, and the PWM connector to a Chassis fan connector. The fans are running fine in the case, but I can't change the curve for them thru the bios. Am I doing something wrong here, or is that not possible without a seperate fan controller? I can change the CPU fan curve fine, it just has the chassis fan options grayed out.

Have you tried plugging in a fan directly to the header on the mobo (bypassing the hub) and seeing if the options become available?

Mr E
Sep 18, 2007

Thank you very much! Your post's totally hot!



Mark Larson posted:

Have you tried plugging in a fan directly to the header on the mobo (bypassing the hub) and seeing if the options become available?

That works for the fan I tried it on (the fans themselves are 3-pin but seem to be able to be changed in the BIOS fine). I have 4 fans in the case; is there any reason I shouldn't hook two to the 2 available "chassis" 4-pins on the board, and the other two to the "CPU optional" and "Chassis Optional" 4-pins? The manual talks about the 2 labeled as CHA_FAN1/2 being able to detect if the connector is 3-pin so I wasn't sure if that'd cause any issues.

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