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changing SATA power to molex for GFX Card.Dell Inspiron

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  • 29-12-2008 2:54pm
    #1
    techguy
    Registered Users Posts: 2,234 ✭✭✭


    Hi There,

    Im adding a 9800 GT to a basic Dell Inspiron pc that has no molex power connection for the graphics card..

    I want to cut off one of the SATA power connectors and put on a molex connection.

    I have added a diagram of what the wiring is currently like. I would like to convert the SATA power to a molex. There seems to be a problem because there are more wires on the SATA than the molex..What wires do I need to use? also there are 2 molex connectors on the GPU side but some of the wire are going to different pins on the 6 pin square connector..Do I need to plug in just one of these molex connections or the two of them?

    Is there anything I need to know when converting the SATA to molex?

    Thanks..


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    #2
    leninbenjamin
    Closed Accounts Posts: 8,983 ✭✭✭leninbenjamin


    techguy wrote: »
    Hi There,

    Im adding a 9800 GT to a basic Dell Inspiron pc that has no molex power connection for the graphics card..

    I want to cut off one of the SATA power connectors and put on a molex connection.

    I have added a diagram of what the wiring is currently like. I would like to convert the SATA power to a molex. There seems to be a problem because there are more wires on the SATA than the molex..What wires do I need to use? also there are 2 molex connectors on the GPU side but some of the wire are going to different pins on the 6 pin square connector..Do I need to plug in just one of these molex connections or the two of them?

    Is there anything I need to know when converting the SATA to molex?

    Thanks..

    why not just get a Sata to molex adaptor?


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    #3
    vibe666
    Registered Users Posts: 13,016 ✭✭✭✭vibe666


    +1.

    no shortage of them either.

    http://shop.ebay.ie/?_from=R40&_trksid=m38&_nkw=molex+to+sata+power+adapter

    pretty sure you could find one in the likes of peats or maplins if you didn't want to buy online too.


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    #4
    techguy
    Registered Users Posts: 2,234 ✭✭✭techguy


    I have seen them alright but I just need to get the job done asap as its not for my pc and I wont be around in a few days to wait fo shipping..

    Im trying to get a sata to molex wiring diagram on google to no avail..im just getting adapters for sale.. :-(

    Any ideas?


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    #5
    techguy
    Registered Users Posts: 2,234 ✭✭✭techguy


    ok, there are 2 molex connectors coming from the GPU do I need to connect two of these to a power source..?

    From what I am getting online the colour coldes are:
    Yellow:+12v
    Black: GND
    Brown:+3.3v

    And it takes two of these so requires a total of 30.6volts..or is it just one of these connectors and only needs 15.3 volts?

    Are these the only wires I need to connect and just match up the colours?

    Thanks..


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    #6
    vibe666
    Registered Users Posts: 13,016 ✭✭✭✭vibe666


    is it possible to see from some of the ebay pics?

    will these help at all? molex pin1 is yellow and pin4 is red with 2 black com's in the middle.
    Conector.jpgSerial-ata-connector.GIF


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    #7
    techguy
    Registered Users Posts: 2,234 ✭✭✭techguy


    Thanks for that its great but it's only the tip of the iceberg..I was doing a bit of research but the PSU is the problem, it's only 300W and can't provide enough current..I got a new PSU this morning with all the connections..

    Thanks for the advice..


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