Date: Fri, 11 Sep 2015 14:29:06 +0200 From: Polytropon <freebsd@edvax.de> To: Ernie Luzar <luzar722@gmail.com> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: USB physical ports Message-ID: <20150911142906.3da7c16b.freebsd@edvax.de> In-Reply-To: <55F1A507.70402@gmail.com> References: <55F1A507.70402@gmail.com>
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On Thu, 10 Sep 2015 11:43:03 -0400, Ernie Luzar wrote: > I have 6 physical ports on my PC box. The boot time messages seem to say > that one of those ports is 480Mbps High Speed USB v2.0. > > How do I determine which physical USB port is the 480Mbps High Speed port? Usually there are two ways: First, there is the visual inspection of the plastic bar inside the ports. They are color coded black, white, or blue, which refers to USB 1, 2, or 3 respectively. Second, you use a device to test the actual port speeds where the device can saturate the port's speed _and_ is compatible to both USB 1 and 2 (and maybe 3) standard. The port where you reach the maximum speed of approx. 500 MB/s (in terms of magnitude) is the high speed port. Then you can use a colored sticker to clearly mark that port. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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