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EggXpert » Product Support » Computer Building & Upgrad... » Cases » Re: 2 Case Fans and 1 Power Supply on MB

2 Case Fans and 1 Power Supply on MB

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  •  03-01-2008, 7:03 PM 278112

    2 Case Fans and 1 Power Supply on MB

    I have a mb with one sys fan plug in.  My case has two fans.  How can I run both fans off of the one plug?
    System Specs
    Budget:VGA:Monitor:
    MB:Gigabyte GA-MA69G-S3HOS:Browser:
    CPU:Sound:CPU Pps:
    Memory:PSU:Brand:
    HD:Cooling:Misc:Rosewill Case

  •  03-01-2008, 7:05 PM 278115 in reply to 278112

    Re: 2 Case Fans and 1 Power Supply on MB

    Its generally not a good idea as it can draw more current than the mobo was meant to put out.

    I would put one on the mobo and butch the other connector and connect it to a molex connector.  Or, buy an adapter.  



    Updated Utility thread without downloading*online!*

    More info

  •  03-01-2008, 7:06 PM 278116 in reply to 278112

    Re: 2 Case Fans and 1 Power Supply on MB

    Fans are plugged directly to the Power supply's 4-pin molex, not the motherboard. The one on the motherboard is for SLI or Crossfire I believe..

  •  03-05-2008, 8:21 PM 280668 in reply to 278116

    Re: 2 Case Fans and 1 Power Supply on MB

    All of the fans on my case (Cooler Master Mystique) are plugged into the 3-pin fan connectors on my mobo. Yes, some fans are powered by a molex connector, but any fans that are RPM controlled are either plugged into a fan controller or the mobo.

  •  03-08-2008, 2:13 PM 282349 in reply to 280668

    Re: 2 Case Fans and 1 Power Supply on MB

    also which fan gets plugged in will affect how they show up in the bios

    usually your main system fan (the socket you have) goes to the cpu cooler fan and will show up as cpu fan in the bios or any system spec software. 



    HP Media Center machine
    MOBO: ASUS OEM board
    CPU: 2.6 GHz Socket AM2 Athlon X2 5000+
    RAM: 2 GB Qimonda PC2-4200 DDR2 RAM
    GFX: Sapphire Radeon HD 4850
    HDD: Seagate Barracuda 320 GB SATA 7200 RPM
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