From owner-freebsd-questions@freebsd.org Fri Sep 11 15:49:08 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7572EA01552 for ; Fri, 11 Sep 2015 15:49:08 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mx02.qsc.de (mx02.qsc.de [213.148.130.14]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 3852E117B for ; Fri, 11 Sep 2015 15:49:07 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de (port-92-195-125-111.dynamic.qsc.de [92.195.125.111]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx02.qsc.de (Postfix) with ESMTPS id C75C3277EC; Fri, 11 Sep 2015 17:49:04 +0200 (CEST) Received: from r56.edvax.de (localhost [127.0.0.1]) by r56.edvax.de (8.14.5/8.14.5) with SMTP id t8BFn4Gl002032; Fri, 11 Sep 2015 17:49:04 +0200 (CEST) (envelope-from freebsd@edvax.de) Date: Fri, 11 Sep 2015 17:49:04 +0200 From: Polytropon To: Arthur Chance Cc: Ernie Luzar , freebsd-questions Subject: Re: USB physical ports Message-Id: <20150911174904.906b2dbd.freebsd@edvax.de> In-Reply-To: <55F2F4C0.4050103@qeng-ho.org> References: <55F1A507.70402@gmail.com> <20150911142906.3da7c16b.freebsd@edvax.de> <55F2F4C0.4050103@qeng-ho.org> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Sep 2015 15:49:08 -0000 On Fri, 11 Sep 2015 16:35:28 +0100, Arthur Chance wrote: > On 11/09/2015 13:29, Polytropon wrote: > > 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. > > Black and white can be either USB 1 or USB 2 according to Wikipedia and > my experience. I've got both black and white USB 2.0 ports on my various > bits of kit and apparently some Lenovo laptops use grey for USB 2. Yes, I've noticed that too. I have a computer with white USB sockets at the front - one is 1.0, one is 2.0, and black USB sockets on the rear - all are 2.0. It's not very helpful... > Usually USB 3.0 ports are blue, unless they're yellow, red or orange. > That can variously mean always on and/or high power/fast charge > depending on manufacturer. Yes, those colors indicate the capability of higher current, there's a better power regulator (more than 500 mA, if I remember correctly). > Standards, don't you just love them. Now you've got n+1 problems. ;-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...