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Now my pc\'s fan runs constantly

  • Homebuilt
  • Fan
  • Motherboards
  • Systems
Last response: in Systems
January 8, 2010 3:04:52 AM

I just installed a BioStar P4900-M4 motherboard on my eMachine and now both fans run constantly. It is very annoying and I can't find any way to control it.

Any ideas?

More about : fan runs constantly

a b V Motherboard
January 21, 2010 5:00:21 AM

BIOS settings?
a b B Homebuilt system
a b V Motherboard
January 21, 2010 3:14:37 PM

I looked for your mobo's manual and could only find one for a model P4M900-M4 - note the "M" in the middle. If that's the one, it appears your mobo can provide full power to the fans and monitor their speeds, but has no fan speed control function. If you want to run the fans at lower speed to reduce noice, you will have to buy / install your own fan speed control modules that fit into the line between mobo pinout connector and the fan.