DMA 40-pin/80-Wire with a empty spot on one wire?

Discussion in 'A+ Certification' started by lcs, Feb 2, 2006.

  1. lcs

    lcs Guest

    On some DMA 40-pin/80-wire cable, there is a hole on one wire at one
    end of the cable. What's the purpose? Is this a newer design than
    the same DMA 40-pin/80-wire cable with no hole on it?
    lcs, Feb 2, 2006
    #1
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  2. lcs

    J. Clarke Guest

    Barry Watzman wrote:

    > I believe that this is a modification required for use of "cable select"
    > instead of master/slave jumpering.
    >
    >
    > lcs wrote:
    >> On some DMA 40-pin/80-wire cable, there is a hole on one wire at one
    >> end of the cable. What's the purpose? Is this a newer design than
    >> the same DMA 40-pin/80-wire cable with no hole on it?


    Yup. Sometimes it's implemented by pulling the contact out of the connector
    on that wire--same result but it's much more difficult to tell by
    inspection.

    --
    --John
    to email, dial "usenet" and validate
    (was jclarke at eye bee em dot net)
    J. Clarke, Feb 2, 2006
    #2
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