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Is USB 2.0 *always* backward compatable?

Discussion in 'Hardware' started by Liquid K9, 26 Aug 2004.

  1. Liquid K9

    Liquid K9 Human programmer.. heh

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  2. woodshop

    woodshop UnSeenly

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    I think you got it backwords.

    I belive that they meant that.
    USB 2.0 PORTS will always work with USB 1.1 devices

    USB 2.0 devices Will NOT always work with USB 1.1 ports
     
  3. Fronzel

    Fronzel What's a Dremel?

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    It is USB 1.1 compatible, it just runs at a lower speed.

    For a device to be USB 2.0 certified, it must be backwards compatible. If it isn't backwards compatible, there is some other conflict.

    That said, USB can be flakey and this isn't saying Crazy Achmed's Bargin Flash Drive will work in any port. There may be an issue, but if it has the USB Hi-Speed logo it will be backwards compatible.
     
  4. Firehed

    Firehed Why not? I own a domain to match.

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    Basically any device should work in any USB port, but it will run at whatever the slower speed is if they're not the same. You might notice that windows even lets you know if you plug a high speed USB device into a non high speed port (not that I have any usb1.1 ports or devices, but some of my usb2.0 ports have buggered out and registered as 1.1 :duh: )
     

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