[MinnowBoard] USB issue?

[Soeren Zorn]

Added it to the wiki.


On December 5, 2014 1:06:57 AM John Hawley <john.hawley at intel.com> wrote:

> Would someone mind adding that to the wiki? (I'm running around at a
> conference and by the time I can get back to do it, I'll probably have
> forgotten).
>
> Thanks!
>
> - John 'Warthog9' Hawley
>
> On 12/4/2014 4:04 PM, Soeren Zorn wrote:
> > Thanks a lot, that was the problem! Solved it by using a small hub (in
> > the absence of an extension cord).
> >
> > *Gesendet:* Freitag, 05. Dezember 2014 um 00:17 Uhr
> > *Von:* "Adam Goode" <adam at spicenitz.org>
> > *An:* "MinnowBoard Development and Community Discussion"
> > <elinux-minnowboard at lists.elinux.org>
> > *Betreff:* Re: [MinnowBoard] USB issue?
> > It is almost certainly this:
> > 
> http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb3-frequency-interference-paper.html
> >
> > On Thu, Dec 4, 2014 at 4:18 PM, Soeren Zorn <ZornS at web.de> wrote:
> >
> >     Hi,
> >
> >     I encountered a small issue with the USB ports. I am running the
> >     latest Debian testing version on my MinnowboardMax (dual core
> >     version, Rev.A2), with LXDE as GUI. So far so good. Input device is
> >     a Logitech K400 keyboard connected by using a Logitech Unifying
> >     receiver.
> >
> >     Now about my problem - when I connect an external USB 3.0 hard drive
> >     to the USB3.0 port (the lower, blue USB port) with the
> >     Unifiying-Receiver connected to the upper USB2.0 port, the keyboard
> >     becomes somewhat unresponsive - meaning, I type on the keyboard, and
> >     sometimes a letter shows up, but most times not. Same for the keypad
> >     input - if I am lucky, the cursor moves, but most of the times, it
> >     simply does not.
> >
> >     Now comes the funny thing - when I connect the hard drive to the
> >     USB2.0 port (top), and the unifying receiver to the lower USB3.0
> >     port, everything works like a charm, besides the fact that the disk
> >     transfer speed is limited to USB2.0.
> >
> >     Any ideas what goes wrong? Anything I might have done wrong? I am
> >     thankful for any suggestions!
> >
> >     Soeren
> >
> >
> >     --
> >     ...and thanks for all the fish (in memory of D. N. Adams)
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> >     elinux-MinnowBoard at lists.elinux.org
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> >
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> >
> >
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