PCI 2.1 + PCI 2.2 slots - what's the difference?

Discussion in 'DIY Computers' started by James, Nov 5, 2004.

  1. James

    James Guest

    what's the difference between PCI 2.1 and PCI 2.2? I'm getting a wireless
    modem/router but noticed that the wireless cards to go with it said PCI 2.2,
    my computer's about 5 years old and I found that I cant use current agp
    cards because they've changed the voltage of agp slots, are my PCI slots now
    totally useless aswell? TIA
     
    James, Nov 5, 2004
    #1
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  2. James

    Vincent Vega Guest

    From PCISIG:

    Q: What is the difference between version 2.1 and version 2.2 of the PCI
    bus specification?
    A: Version 2.2 is an evolutionary release of the PCI specification that
    includes edits to provide better readability and the incorporation of
    Engineering Change Notices (ECNs) developed since the release of v2.1. The
    recently released v2.2 of the PCI bus specification remains the industry
    standard for I/O applications and is the current standard for PCI, to which
    vendors should be developing products. For a complete list of changes,
    please view the ´Differences between PCI spec revisions 2.1 and 2.2¡
    document at www.pcisig.com.

    Namely:
    http://www.pcisig.com/specifications/conventional/conventional_pci/2_2sum1215.pdf
     
    Vincent Vega, Nov 5, 2004
    #2
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  3. I have just fitted at PCI 2.2 Sata Hard disk controller card in my 6 year old
    PCI 2.1 Dell PC (According to the Specs!)

    The card I have has two slots in the bottom and so should work with both
    voltages.

    HTH
     
    Michael Chare, Nov 6, 2004
    #3
  4. James

    James Guest

    I suspect that you're fine with a 5 year old PC, because I've used older
    cheers. I have a second newer computer that I'll need a wireless card for
    so its not a problem if it doesnt work but I was worried that putting it
    into a PCI 2.1 slot could damage it and maybe they've changed the voltage
    like with agp slots or something
     
    James, Nov 6, 2004
    #4
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