- 52 months ago
So I have a Asus Z170-Pro motherboard with a 6700K chip, Corsair H115i CPU water cooler, and a Phanteks Luxe Enthoo case.
Both the Luxe's PWM hub for chassis fans and the Corsair pump wanted the CPU_FAN header, but the Z170-Pro has a dedicated Water Pump header. Not sure if this matters but the H115i threw me a curve ball by not being a lone 4-pin connector and instead a 3-pin with a SATA power connector, the manual is wrong on this. So I plugged the H115i's 3-pin into the W_PUMP header and the Luxe's PWM hub into the CPU_FAN header (it says using any other would limit total voltage and power modulation and fans would run full speed at all times).
On to my problems:
First, upon boot I received a CPU Fan error. In BIOS I could see the RPM of "CPU Fan" and "Water Pump" however, and everything was running cool (and still is 2 days later). I couldn't get pass this error until I turned off monitoring of my CPU fan via setting "CPU Lower Limit" to off/ignore instead of 200 RPM under the Monitor tab.
Watching my chassis fans when booting, the one's connected to the Luxe's PWM hub, I noticed they spin up kind of late. Could the issue here be that the POST is happening before my chassis fans rev up and since its chassis fans via PWM hub and not an actual CPU fan connected to CPU_MAIN it thinks my CPU is in danger?
Second, ASUS' Ai Suite 3, Corsair Link, CPU-Z etc. etc. don't detect that I have any chassis fans at all. I believe this causes problems with features like ASUS' optimization thing where it auto-overclocks and creates profiles for fans.
What I think will help, but it goes against the manuals:
While the PWM Hub for the Luxe would let me use a lot more fans than my motherboard has headers for, to eliminate the problems above, should I just not use the PWM Hub and attach my chassis fans into the headers on motherboard?
If I do the above, that'd free up the CPU_FAN header. Should I then move my H115i's 3-pin connector to the CPU_FAN from the W_PUMP header?