1000 rpm would be a normal speed for a non-load situation like working from the desktop, internet, etc. That is somewhere in the neighborhood of 2400. My understanding is the top speed is 2900 +-5%.ġ000 rpm is not the maximum speed for the fans. The BIOS is supposed to auto-detect, but sometimes it needs a helping hand.Ģ850 is fine for the pump RPM. You're right, you need to be on DC for the pump. You can do it through the Advanced BIOS as well, but that is just making things more difficult. It's the section on the bottom of the E-Z BIOS page. Q-Fan is just Asus-speak for their BIOS fan control system. In this configuration, it might still be possible to change the pump speed between its high/low setting without damaging the pump, but we need to know whether the variable speed pump is PWM or DC control, and I don't have that information. Make sure you don't use the Asus quick fan presets (Full, Turbo, Quiet, etc). You will then need to set the pump to run full speed again there. Once AI suite loads up, the controls will be open to you again. This will run the pump at full speed in the BIOS and while loading Windows. The down side is you won't be able change the pump speed from the desktop, if there was a need.Ģ) In Q-Fan control set CPU_FAN to "manual" and then move all three dots to 100%. This also prevents any power saving features (intentional or otherwise) from cutting into the voltage for the pump. Once you load into Windows, you'll see the CPU_FAN graph grayed out in AI Suite. This will cause the pump to run at the maximum speed all the time and lock out the AI Suite controls. 1) Set the CPU_FAN to "full speed" in Q-fan control, BIOS level.
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