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To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] {OT} USB 3.0 hard drive speed test
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Comments: In-reply-to Michael Mol <mikemol@gmail.com>
   message dated "Fri, 12 Aug 2011 10:58:00 -0400."
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Date: Fri, 12 Aug 2011 18:03:48 -0400
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From: covici@ccs.covici.com
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Michael Mol <mikemol@gmail.com> wrote:

> On Thu, Aug 11, 2011 at 1:27 PM,  <covici@ccs.covici.com> wrote:
> > Grant <emailgrant@gmail.com> wrote:
> > What usb3 is supported by Linux? =C2=A0Is it a pci card?
>=20
> The UHCI interface standard provides support for USB 1.1. EHCI, USB 2.0.
>=20
> XHCI supports USB 3.0, as well as 2.0 and 1.1. Any chipset
> manufacturer which wants to support USB 3.0 will be using XHCI, which
> the Linux kernel has an option for.
>=20
> I've now built two systems that have USB 3.0 on the motherboard. A
> quick search of Newegg for XHCI shows that you can PCIe expansion
> cards to add USB 3.0 to your system.

Thanks -- I did not know about XHCI.

--=20
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@ccs.covici.com