At the other three settings (standard, optimal and heavy i/o) fan speeds run around 3000 RPM without significant difference in sound or measurements between them. At "Full Speed" fans 1, 2, 3, 5, 6 run at around 6-7000 RPM and sound like a shop vac. I checked fan speeds with Server Health ->Sensor Readings. Fan options are: Standard Speed, Full Speed, Optimal Speed and Heavy I/O. I got IPMI IP address from bios and used browser to log in. I would hate to have to go back to my consumer frankenstein build. Please guide me in the right direction about fan control. I search the forum and found discussions about "scripts" and "IPMI" of which I have no knowledge. I looked through the BIOS menus and found no fan control options. Its my guess that the fans can cool my disks when spun up to speed. Since the system fans currently spin slowly and quietly I want to adjust the speed to increase cooling. I rebooted several times and got similar disk overtemperature warnings. I promptly got disk overheat errors from FreeNAS, even when I replaced the case cover to promote air flow. When I turn on system the 5 big case fans spin up loudly initially and then get rather quiet when Motherboard boots. dual SSD boot drives inside case powered from extra Molex connector from power distributor. I just "finished" moving my FreeNAS from consumer hardware to the server case. This is my first excursion into using server hardware. You control the fans from within Windows, not the bios.Please excuse my inexperience. I mean sure, I could get an actual fan controller and find a place to stash it in my case, but I've read dozens of reviews of the NZXT Grid saying that they're able to adjust the fan speeds as long as the Grid is connected to the motherboard. Now, I know you don't get PWM control with 3-pin headers (both the NZXT Grid and the fans themselves are 3-pin), but at least I should be able to adjust the RPM somehow? My other computer also uses 3-pin fans on a fan controller, and it works without a problem there.įans plugged into Grid, Grid powered by PSU molex and also connected to the motherboard's SYS_FAN header.
It'll simply show either 0 RPM or 1200-ish, changing them does nothing. It works, but all the fans are at 100% and I can't control their speed, neither through the BIOS or in Windows with Speedfan. So I got the NZXT Grid along with it so I can use all my fans.
I'm using 5 case fans, but the motherboard has only one fan header (SYS_FAN) apart from the CPU fan.
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