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backplanes

Discussion in 'PC Hardware' started by itstudent, 2005/06/11.

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  1. 2005/06/11
    itstudent

    itstudent Inactive Thread Starter

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    As an it student I am eager to learn all I can. I need to know what are back
    planes and how they work. Please give examples and links if you can.

    Thanks :cool:
     
    itstudent,
    #1
  2. 2005/06/11
    Steve R Jones

    Steve R Jones SuperGeek Staff

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    backplane

    (bak´plan) (n.) A circuit board containing sockets into which other circuit boards can be plugged in. In the context of PCs, the term backplane refers to the large circuit board that contains sockets for expansion cards.

    Backplanes are often described as being either active or passive. Active backplanes contain, in addition to the sockets, logical circuitry that performs computing functions. In contrast, passive backplanes contain almost no computing circuitry.

    Traditionally, most PCs have used active backplanes. Indeed, the terms motherboard and backplane have been synonymous. Recently, though, there has been a move toward passive backplanes, with the active components such as the CPU inserted on an additional card. Passive backplanes make it easier to repair faulty components and to upgrade to new components.



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    Steve R Jones,
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  4. 2005/06/12
    irdreed

    irdreed Inactive

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    I’d like add to this Excellent Explanation by Steve R. Jones ....... since this is student, and inform him that there are Main Frame Computers that also have Backplanes. These consist of a multitude of terminals with Interack wiring connecting all units or components.
    Attached see the front side with all these components installed. While behind is the wiring itself. Also Note the Ribbon Cable on the right side. Power connectors are shown at top and bottom.
    The Photo shown here is called the I/O Unit and Processes/Addresses/Selects the unit/units that the Central Processor wishes to Communicate with.
     
    irdreed,
    #3
  5. 2005/06/18
    itstudent

    itstudent Inactive Thread Starter

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    Thanks guys, you have been a big help. Just one more question.
    In a blade server system. Are the individual blades plugged into a backplane ?.

    Thanks again.
     
    itstudent,
    #4
  6. 2005/06/18
    irdreed

    irdreed Inactive

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    irdreed,
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