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usb 2 backwards compatability

  • 24-03-2003 11:49am
    #1
    Gavin
    Registered Users, Registered Users 2 Posts: 4,676 ✭✭✭


    I've always just assumed usb 2.0 is backwards compatabile with 1

    is it ? Is it in the specification like ?

    Gav


Comments

  • #2
    elexes
    Registered Users, Registered Users 2 Posts: 4,471 ✭✭✭elexes


    afaik its down to the ppl that make the device to make it that way but so far from what ive seen they are all comming that way


  • #3
    Saruman
    Registered Users, Registered Users 2 Posts: 11,389 ✭✭✭✭Saruman


    What do you mean? Do you mean can a USB2 port on a board take a USB1.1 device?

    Or do you mean a USB2 device work on a USB1.1 port?

    If its the latter then the answer will either be no or possibly depending on the device and maker! in other words its unlikely a USB2 hard drive (external) designed to work at about 460mbs is going to be backward compatible with 1.1 (about 2mbs or so).


  • #4
    Gavin
    Registered Users, Registered Users 2 Posts: 4,676 ✭✭✭Gavin


    Ah right. ****. Was going to buy a USB 2, IDE hd converter from peats. I assumed it would work on usb 1.1, albeit at the slower rate of course. I'll have to try and find the manufacturers website.

    or another type !

    thanks for the replies
    Gav


  • #5
    SouperComputer
    Registered Users, Registered Users 2 Posts: 6,949 ✭✭✭SouperComputer


    aren't USB cards cheap enough? (assuming your not broke!)


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