From owner-freebsd-questions@freebsd.org Thu Sep 10 23:48:02 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 254D2A02470 for ; Thu, 10 Sep 2015 23:48:02 +0000 (UTC) (envelope-from luzar722@gmail.com) Received: from mail-io0-x234.google.com (mail-io0-x234.google.com [IPv6:2607:f8b0:4001:c06::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E3FF41C50 for ; Thu, 10 Sep 2015 23:48:01 +0000 (UTC) (envelope-from luzar722@gmail.com) Received: by ioiz6 with SMTP id z6so79790617ioi.2 for ; Thu, 10 Sep 2015 16:48:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=bSQ3PACuZjJbq7b961xdRRqlso2EPisXz5MFwykIi7A=; b=kIEs/O14jZGuy94IEgDVUuK8F1+5aWiM4B4xsV44xajH5oHbBQmgualymDR6vhs2hi 0pMcF/ie+ToCuWQe7TCgFEGth0jg7Qi1N0yUL5LdHomd+NQ+uw0Nd793RkpFiwrvgq9l Z3qcsRK6kVU9o0SQZ6PFRPXKfGkd2Nuq1bl++AUZvys5wkqnjyNdjk30yqeHu4lWLFh3 4iVTgj5S5jNoycvQcF/xelaszjua8XPXPO5xDbSOQGQzQH21qASM2Bw8WtAGQY/g3h3x DzS8i1GWx8BC3lf5fWbQLNEhpzesbnEYzwMQjkQqw5O3RESw6Kxkw/xIMFgbc9Kf+2ED 2CxA== X-Received: by 10.107.34.85 with SMTP id i82mr74470663ioi.129.1441928881184; Thu, 10 Sep 2015 16:48:01 -0700 (PDT) Received: from [10.0.10.5] (cpe-76-190-244-6.neo.res.rr.com. [76.190.244.6]) by smtp.googlemail.com with ESMTPSA id u8sm5323866igz.7.2015.09.10.16.48.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 10 Sep 2015 16:48:00 -0700 (PDT) Message-ID: <55F216CB.6040606@gmail.com> Date: Thu, 10 Sep 2015 19:48:27 -0400 From: Ernie Luzar User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Dave CC: freebsd-questions@freebsd.org Subject: Re: USB physical ports References: <55F1A507.70402@gmail.com> <2091716.bhpPQfPjgk@amd.asgard.uk> In-Reply-To: <2091716.bhpPQfPjgk@amd.asgard.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: Thu, 10 Sep 2015 23:48:02 -0000 Dave wrote: > On Thursday 10 September 2015 11:43:03 Ernie Luzar wrote: >> Hello List; >> >> 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? >> >> The following are the boot time messages about USB ports >> >> uhci0: port 0xff80-0xff9f >> irq 16 at device 29.0 on pci0 usbus0 on uhci0 >> >> uhci1: port 0xff60-0xff7f >> irq 19 at device 29.1 on pci0 usbus1 on uhci1 >> >> uhci2: port 0xff20-0xff3f >> irq 16 at device 29.3 on pci0 usbus2 on uhci2 >> >> ehci0: mem >> 0xffa80800-0xffa80bff irq 23 at device 29.7 on pci0 >> usbus3: EHCI version 1.0 usbus3 on ehci0 >> >> usbus0: 12Mbps Full Speed USB v1.0 >> usbus1: 12Mbps Full Speed USB v1.0 >> usbus2: 12Mbps Full Speed USB v1.0 >> usbus3: 480Mbps High Speed USB v2.0 >> >> ugen3.1: at usbus3 >> uhub0: on usbus3 >> ugen2.1: at usbus2 >> uhub1: on usbus2 >> ugen1.1: at usbus1 >> uhub2: on usbus1 >> ugen0.1: at usbus0 >> uhub3: on usbus0 >> >> >> Root mount waiting for: usbus3 usbus2 usbus1 usbus0 >> uhub2: 2 ports with 2 removable, self powered >> uhub3: 2 ports with 2 removable, self powered >> uhub1: 2 ports with 2 removable, self powered >> Root mount waiting for: usbus3 >> Root mount waiting for: usbus3 >> Root mount waiting for: usbus3 >> uhub0: 8 ports with 8 removable, self powered >> > > It looks like there is one high speed hub with three ports off it, > each of which feed your 3 pairs of USB 1.0 ports. > Are you saying that no mater which of the 6 USB physical ports I plug into with a 2.0 standard mem drive will transfer at 480Mbps? How can I confirm 480Mbps transfer rate.