Re: [SLE] USB 2. backward compatible but how

From: Bruce Marshall (bmarsh_at_bmarsh.com)
Date: 01/13/04

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    To: SLE <suse-linux-e@suse.com>
Date: Tue, 13 Jan 2004 11:51:47 -0500

    On Tue January 13 2004 11:12 am, Patrick Shanahan wrote:
    > * Constant Brouerius van Nidek <constant@indo.net.id> [01-13-04 11:01]:
    > > Think this is one of those days on which I have problems to capture
    > > ideas. I have heard that USB 2.0 is backward compatible. Does that mean
    > > that I can run e.g. a version 2.0 cardreader on my version 1 on board
    > > USB connection?
    >
    > Well, my usb 2.0 card reader will work on the usb 1 ports but at usb 1
    > speeds. Backward compatible *usually* means what you have stated but
    > at the lowest performance rating in the chain.

    But I assume that what he described would be 'forward' compatible... which
    would not be the case. Yes, you could run a 1.0 device on a 2.0 USB port,
    but I would doubt highly if you could run a 2.0 device on a 1.0 USB port. 

    -- 
+----------------------------------------------------------------------------+
+ Bruce S. Marshall  bmarsh@bmarsh.com  Bellaire, MI         01/13/04 11:50  +
+----------------------------------------------------------------------------+
"There are ten million stories in the Naked City."
"But no one can remember which one is theirs."  Laurie Anderson
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