From owner-freebsd-usb@freebsd.org Tue Mar 29 06:33:14 2016 Return-Path: Delivered-To: freebsd-usb@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 B533CAE1EC1 for ; Tue, 29 Mar 2016 06:33:14 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (mail.turbocat.net [IPv6:2a01:4f8:d16:4514::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 80E311EBC for ; Tue, 29 Mar 2016 06:33:14 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (unknown [62.141.129.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 2FDC81FE023; Tue, 29 Mar 2016 08:33:12 +0200 (CEST) Subject: Re: Realtek RTS5401 USB 3.0 hub To: Warren Block , freebsd-usb@FreeBSD.org References: From: Hans Petter Selasky Message-ID: <56FA2260.5030200@selasky.org> Date: Tue, 29 Mar 2016 08:36:16 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2016 06:33:14 -0000 On 03/29/16 01:34, Warren Block wrote: > Are USB 3 hubs not backwards compatible? Maybe just this one > specifically? USB 2.0 devices like mice are not recognized when > attached. A USB 3.0 memory stick is recognized. USB 3.0 is running parallell to USB 2.0. They are not using the same carrier. --HPS