Disabling Q-fan will make your fans run at full speed I guess, and allow other 3rd party software like Speedfan to control without BIOS interfering. ASUS ROG Maximus Z690 FORMULA motherboard Intel Z690 ATX motherboard with 20+1 power stages, DDR5, Five M.2, USB 3.2 Gen 2x2 front-panel connector, Dual Thunderbolt 4, PCIe 5. Not all mobos allow decoupling of these two headers.
You'll need to go into BIOS and disable Q-fan so it's not slaved to the CPU_FAN. As suggested here (similar lower RPM on opt header): To make it faster the main CPU_FAN has to be faster. A CPU fan’s connector can be plugged into either the CPUFAN or CPUOPT header on your motherboard but choose wisely, because having it plugged into the wrong one can lead to your system not booting and your BIOS throwing out errors. is it normal? For example, CPU FAN running at 700 rpm whereas CPU_ OPT fan only at 500 - 550 rpm. This way it is more efficient at managing the pushed air depending on how fast CPU_FAN is spinning.īut the CPU_OPT fan rpm is always lower than the CPU FAN. It's not really necessary as the BIOS/FanXpert will adjust the RPM of CPU_OPT according to cpu temps with PWM signals to/from CPU_FAN. If you really want to control it independently it would have to be on another fan header, CHA_1 for example, then you can control it via AI Suite3 using voltage (3pin fan). For this mobo, the CPU_OPT is going to mirror whatever RPM the CPU_FAN is at (it is BIOS controlled), so you will be controlling it indirectly with CPU_FAN via PWM. The Maximus VII Formula contains the following features integrated into its design: six SATA 3 ports an M.2 (NGFF) 10 Gb/s port integrated into the ASUS mPCIe Combo III card two SATA Express. Its the same even if you switch the fans.
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