Adding a second fan

By i_need_answers
Dec 26, 2004
  1. I have 1 cpu fan in currently and want to add another. I have it plugged into a power supply and have tested the fan on the cpu fan power supply port and it works but it won't work when i plug it into a differn't port is there any special thing i have to do??
  2. RealBlackStuff

    RealBlackStuff TS Rookie Posts: 6,503

    If that fan does not need to be monitored by a temperature program, keep it hooked up to the PSU.
  3. By reading threads around techspot it appears if you run your CPU fan off the plug on the motherboard you may have compatibility issues eg: certain mobos will only run certain fans and the PSU not as fussy. Sound like a Marketing Strategy. So best to do as our Irish friend says and run it off the PSU :giddy:
  4. Ea$Y

    Ea$Y TS Rookie Posts: 60

    Your board may have a safety feature on it that will prevent the board from posting until the jumper for the fan is plugged in- to prevent the chip from roasting during a post. Experienced system builders will shudder at the thought of that *ahem lol* You can get a power splitter that includes mobo jumpers and 4 pin molex pwr connectors.

    Hope this helps

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