video card won't run

Discussion in 'ASRock' started by cribboy52, Jun 10, 2012.

  1. cribboy52

    cribboy52

    Joined:
    Jun 10, 2012
    Messages:
    1
    a couple weeks ago i got a brand hammer new ATI radeon HD 3870 graphics card unwrapped, in the box, with all the accessories for $50, which i thought was a good deal.
    back on may 4 i bought a tower with an asrock 775xfire-eSATA2 motherboard. i was expecting the card to run in the x16 slot on the board with no problem. because the power supply didn't have a 6 pin lead i bought a 2x molex to 6 pin jumper. the tower won't power up with all the stuff installed. i take the stuff out and install an nvidia 8500gt card and the machine runs great. what is my problem?
     
    cribboy52, Jun 10, 2012
    #1
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  2. cribboy52

    revotan

    Joined:
    Jun 19, 2012
    Messages:
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    The ATI card and the nVidia card have very different power requirements:
    ATI needs 450W
    nVidia requires 350W
     
    revotan, Aug 13, 2012
    #2
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