USB 3.0 Use with Linux

[Philip Dorr]

The USB A side has the same form factor. The B side has am added piece.


On Wed, Aug 25, 2010 at 7:17 PM, Luke-Jr <luke at dashjr.org> wrote:
> On Wednesday, August 25, 2010 07:00:01 pm Monty J. Harder wrote:
>> On Wed, Aug 25, 2010 at 6:43 PM, Luke-Jr <luke at dashjr.org> wrote:
>> > Do note in general, USB 3.0 is /not/ compatible with USB 1 or 2.
>>
>> Care to explain?
>>
>> > 5. Will my existing peripherals still work? How will they co-exist?
>> > The good news is that USB 3.0 has been carefully planned from the start
>> > to peacefully co-exist with USB 2.0. First of all, while USB 3.0
>> > specifies new physical connections and thus new cables to take advantage
>> > of the higher speed capability of the new protocol, the connector itself
>> > remains the same rectangular shape with the four USB 2.0 contacts in the
>> > exact same location as before. Five new connections to carry receive and
>> > transitted data independently are present on USB 3.0 cables and only
>> > come into contact when mated with a proper SuperSpeed USB connection.
>
> Well, that's interesting! I guess I had assumed the physical connection change
> was on both ends, to avoid people mistakenly thinking it was compatible, but I
> see it in fact has another purpose. Unfortunately, some devices (such as mice)
> have the cable built-in and thus could not possibly remain compatible.
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