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PCI Express

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  • User profile image
    PerfectPhase

    Anyone know if I can stick an 8x PCI-Express card in the 16x socket that is common on most motherboards?

    I have a nice SATA-II RAID card but nothing to use it in!

    Stephen

  • User profile image
    W3bbo

    PCI Express was designed so that any card can be placed into any slot with a "speed" number equal-to or higher than the card requires.

    You can put a 1X card into a 1X, 2X, 4X, 8X, or 16X slot, but you can only put a 4X card into a 4X or above rated slot.

    The slots are sized appropriately, 1X cards' connectors are only about an inch long and will fit in 16X slots, likewise a 16X connector is too big to fit in a 1X slot.

    Comprendé? Smiley

  • User profile image
    PerfectPhase

    Excellent, thanks.

    Stephen.

  • User profile image
    PerfectPhase

    So, I thought I'd resurrect this thread as I finally got round to buying myself a new motherboard Smiley

    Problem is that the PCI-Express slot can only be used by a graphics card!  Want to use it for something else (like a RAID card) your out of luck.  I was not amused!

    So that's gone back and a bit or research seems to indicate this is quite common Sad

    So this is a request to find any recommendations for desktop motherboards that support generic PCI-e cards, if you have one that works could you post the make and model.

    Thanks.

  • User profile image
    cheong

    PerfectPhase wrote:

    So, I thought I'd resurrect this thread as I finally got round to buying myself a new motherboard Smiley

    Problem is that the PCI-Express slot can only be used by a graphics card!  Want to use it for something else (like a RAID card) your out of luck.  I was not amused!

    So that's gone back and a bit or research seems to indicate this is quite common Sad

    So this is a request to find any recommendations for desktop motherboards that support generic PCI-e cards, if you have one that works could you post the make and model.

    Thanks.


    Err... I need clarification here.

    Because I remember my RAID card for 8x SATA requires to be plugged in PCI-X 16 slot only. And because of this when  the last time the RAID fails, I can't move it to another motherboards here becuase other motherboards we use don't have PCI-X 16 slot.

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  • User profile image
    PerfectPhase

    PCI-X and PCI-Express are two different technologies.

    http://www.osronline.com/article.cfm?article=308

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