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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org
Subject: Re: USB3 SATA enclosure
Date: Tue, 11 Dec 2012 08:18:28 +0100
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On Tuesday 11 December 2012 01:27:07 Erich Dollansky wrote:
> Hi,
> 
> On Mon, 10 Dec 2012 16:29:29 -0500
> 
> Mike Tancsa <mike@sentex.net> wrote:
> > I picked up a USB3 sata enclosure and was surprised at the low speeds
> > I was getting.  I should probably just stick with eSata instead, but
> > has anyone got any decent throughput on USB3 drives ?
> 
> I have one. It achieves what is expected from USB3. But it was not
> recognised at the beginning.
> 
> > This one seems to be coming up USB2 speeds
> > 
> > 
> > ugen0.5: <USB 3.0 SATA Bridge VIA Labs, Inc.> at usbus0, cfg=0 md=HOST
> > spd=HIGH (480Mbps) pwr=ON
> 
> It seems that I have the same.
> 
> As I use it only randomly, I have had to notice that it is not
> recognised as USB3 on 10. either anymore.
> 
> Something got changed which stopped it from working.

We've only changed some reset timings. See:

sysctl -a hw.usb

--HPS