On Mon, May 7, 2012 at 8:21 AM, Paul Hartman
<paul.hartman+gentoo@...> wrote:
> On Mon, May 7, 2012 at 10:00 AM, Mark Knecht <markknecht@...> wrote:
>> here are 3 or now I
>> think 4 different USB specs - EHCI, OHCI, UHCI, and then whatever USB
>> 3.0 is using
>
> XHCI
>
> Furthermore, USB 3.0 has 9-pin ports and cables (for type-A) versus
> the 4-pin of USB 1/2. The USB 3.0 sockets are backward-compatible with
> older USB devices and cables, but older USB cables are not
> forward-compatible with USB 3.0.
>

Good point. None of my USB 2.0 drives work in my USB 3.0 port. I do
have a USB 3.0 drivers, supposedly, and one drive that claims to be
eSata/USB 3.0 compatible, but I've not tried to get it working using
USB 3.0.

- Mark